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112-526: The story centers on a group of strangers trapped in a time warp house where a terrible event transpired exactly 100 years prior. The film was shot in Goshen, Ohio . This article about a 2010s horror film is a stub . You can help Misplaced Pages by expanding it . Time warp Black holes in fiction • Portable hole • Teleportation in fiction • Wormholes in fiction • Stargate • Warp drive • Hyperspace • Time travel in fiction Time travel

224-476: A code , i.e. a sign system that is able to express the idea, for instance, through visual or auditory signs. The message is sent to a destination, who has to decode and interpret it to understand it. In response, they formulate their own idea, encode it into a message, and send it back as a form of feedback. Another innovation of Schramm's model is that previous experience is necessary to be able to encode and decode messages. For communication to be successful,

336-437: A coding system to express information in the form of a message. The message is sent through a channel to a receiver who has to decode it to understand it. The main field of inquiry investigating communication is called communication studies . A common way to classify communication is by whether information is exchanged between humans, members of other species, or non-living entities such as computers. For human communication,

448-562: A fuzzy concept that manifests in degrees. In this view, an exchange varies in how interpersonal it is based on several factors. It depends on how many people are present, and whether it happens face-to-face rather than through telephone or email. A further factor concerns the relation between the communicators: group communication and mass communication are less typical forms of interpersonal communication and some theorists treat them as distinct types. Interpersonal communication can be synchronous or asynchronous. For asynchronous communication,

560-440: A military salute . Proxemics studies how personal space is used in communication. The distance between the speakers reflects their degree of familiarity and intimacy with each other as well as their social status. Haptics examines how information is conveyed using touching behavior, like handshakes, holding hands, kissing, or slapping. Meanings linked to haptics include care, concern, anger, and violence. For instance, handshaking

672-437: A respirator . Objects left behind by time travellers obey 'reverse thermodynamics;' for example, bullets shot or even simply deposited while traveling backward fly back into (forward traveling) guns. Protagonists do not travel in time but perceive other times through a record . Depending on the technology, they can minimally consult the record or maximally interact with it as a simulated reality that can deviate causally from

784-416: A "necessary distancing effect" that allows science fiction to address contemporary issues in metaphorical ways. Time travel in modern fiction is sometimes achieved by space and time warps , stemming from the scientific theory of general relativity . Stories from antiquity often featured time travel into the future through a time slip brought on by traveling or sleeping, in other cases, time travel into

896-498: A central contrast is between verbal and non-verbal communication . Verbal communication involves the exchange of messages in linguistic form, including spoken and written messages as well as sign language . Non-verbal communication happens without the use of a linguistic system , for example, using body language , touch, and facial expressions. Another distinction is between interpersonal communication , which happens between distinct persons, and intrapersonal communication , which

1008-551: A channel have an impact on the code and cues that can be used to express information. For example, typical telephone calls are restricted to the use of verbal language and paralanguage but exclude facial expressions. It is often possible to translate messages from one code into another to make them available to a different channel. An example is writing down a spoken message or expressing it using sign language. The transmission of information can occur through multiple channels at once. For example, face-to-face communication often combines

1120-405: A conversation, where the listener may respond to a speaker by expressing their opinion or by asking for clarification. Interaction models represent the process as a form of two-way communication in which the communicators take turns sending and receiving messages. Transaction models further refine this picture by allowing representations of sending and responding at the same time. This modification

1232-404: A device again. In the meantime, two versions of the time traveller coexist (and must not meet, lest they mutually destruct): the one that had been 'traveling forward' (existing normally) until entering a turnstile and the one traveling backward from the turnstile. The laws of thermodynamics are reversed for time traveling people and objects, so that for example backward travel requires the use of

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1344-473: A different sense, the term communication refers to the message that is being communicated or to the field of inquiry studying communicational phenomena . The precise characterization of communication is disputed. Many scholars have raised doubts that any single definition can capture the term accurately. These difficulties come from the fact that the term is applied to diverse phenomena in different contexts, often with slightly different meanings. The issue of

1456-457: A fictional war that is "fought across time, usually with each side knowingly using time travel ... in an attempt to establish the ascendancy of one or another version of history". Time wars are also known as "change wars" and "temporal wars". Examples include Clifford D. Simak 's 1951 Time and Again , Russell T Davies' 2005 revival of Doctor Who , Barrington J. Bayley 's 1974 The Fall of Chronopolis , and Matthew Costello 's 1990 Time of

1568-462: A given context". This means that the speaker is aware of the social and cultural context in order to adapt and express the message in a way that is considered acceptable in the given situation. For example, to bid farewell to their teacher, a student may use the expression "Goodbye, sir" but not the expression "I gotta split, man", which they may use when talking to a peer. To be both effective and appropriate means to achieve one's preferred outcomes in

1680-555: A language but rather non-verbal communication. It includes many forms, like gestures, postures, walking styles, and dance. Facial expressions, like laughing, smiling, and frowning, all belong to kinesics and are expressive and flexible forms of communication. Oculesics is another subcategory of kinesics in regard to the eyes. It covers questions like how eye contact, gaze, blink rate, and pupil dilation form part of communication. Some kinesic patterns are inborn and involuntary, like blinking, while others are learned and voluntary, like giving

1792-479: A long history and how people exchange information has changed over time. These changes were usually triggered by the development of new communication technologies. Examples are the invention of writing systems , the development of mass printing, the use of radio and television, and the invention of the internet. The technological advances also led to new forms of communication, such as the exchange of data between computers . The word communication has its root in

1904-507: A means of tourism, with travelers curious to visit periods or events such as the Victorian Era or the Crucifixion of Christ , or to meet historical figures such as Abraham Lincoln or Ludwig van Beethoven . This theme can be addressed from two or three directions. An early example of present-day tourists travelling back to the past is Ray Bradbury 's 1952 A Sound of Thunder , in which

2016-439: A person may verbally agree with a statement but press their lips together, thereby indicating disagreement non-verbally. There are many forms of non-verbal communication. They include kinesics , proxemics , haptics , paralanguage , chronemics , and physical appearance. Kinesics studies the role of bodily behavior in conveying information. It is commonly referred to as body language , even though it is, strictly speaking, not

2128-522: A person or an object looks like and can also convey other ideas and emotions. In some cases, this type of non-verbal communication is used in combination with verbal communication, for example, when diagrams or maps employ labels to include additional linguistic information. Traditionally, most research focused on verbal communication. However, this paradigm began to shift in the 1950s when research interest in non-verbal communication increased and emphasized its influence. For example, many judgments about

2240-464: A shopping list. Another use is to unravel difficult problems, as when solving a complex mathematical equation line by line. New knowledge can also be internalized this way, like when repeating new vocabulary to oneself. Because of these functions, intrapersonal communication can be understood as "an exceptionally powerful and pervasive tool for thinking." Based on its role in self-regulation , some theorists have suggested that intrapersonal communication

2352-439: A teacher may decide to present some information orally and other information visually, depending on the content and the student's preferred learning style. This underlines the role of a media-adequate approach. Communicative competence is the ability to communicate effectively or to choose the appropriate communicative behavior in a given situation. It concerns what to say, when to say it, and how to say it. It further includes

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2464-477: A thumb . It often happens simultaneously with verbal communication and helps optimize the exchange through emphasis and illustration or by adding additional information. Non-verbal cues can clarify the intent behind a verbal message. Using multiple modalities of communication in this way usually makes communication more effective if the messages of each modality are consistent. However, in some cases different modalities can contain conflicting messages. For example,

2576-435: A transmission of information brought about by the interaction of several components, such as a source, a message, an encoder, a channel, a decoder, and a receiver. The transmission view is rejected by transactional and constitutive views, which hold that communication is not just about the transmission of information but also about the creation of meaning. Transactional and constitutive perspectives hold that communication shapes

2688-419: A way that follows social standards and expectations. Some definitions of communicative competence put their main emphasis on either effectiveness or appropriateness while others combine both features. Many additional components of communicative competence have been suggested, such as empathy , control, flexibility, sensitivity, and knowledge. It is often discussed in terms of the individual skills employed in

2800-498: A wider sense, encompassing any form of linguistic communication, whether through speech, writing, or gestures. Some of the challenges in distinguishing verbal from non-verbal communication come from the difficulties in defining what exactly language means. Language is usually understood as a conventional system of symbols and rules used for communication. Such systems are based on a set of simple units of meaning that can be combined to express more complex ideas. The rules for combining

2912-416: Is a plot device in which periods of time are repeated and re-experienced by the characters, and there is often some hope of breaking out of the cycle of repetition. Time loops are sometimes referred to as causal loops , but these two concepts are distinct. Although similar, causal loops are unchanging and self-originating, whereas time loops are constantly resetting. In a time loop when a certain condition

3024-502: Is a common theme in fiction , mainly since the late 19th century, and has been depicted in a variety of media , such as literature, television, film, and advertisements. The concept of time travel by mechanical means was popularized in H. G. Wells ' 1895 story, The Time Machine . In general, time travel stories focus on the consequences of traveling into the past or the future. The premise for these stories often involves changing history, either intentionally or by accident, and

3136-439: Is a key factor regarding whether a person is able to reach their goals in social life, like having a successful career and finding a suitable spouse. Because of this, it can have a large impact on the individual's well-being . The lack of communicative competence can cause problems both on the individual and the societal level, including professional, academic, and health problems. Barriers to effective communication can distort

3248-536: Is an extraordinarily long sleep. Mark Twain 's 1889 A Connecticut Yankee in King Arthur's Court had considerable influence on later writers. The first novel to include both travel to the past and travel to the future and return to the present is the Charles Dickens 1843 novel A Christmas Carol . Time slip is one of the main plot devices of time travel stories, another being a time machine . The difference

3360-415: Is another influential linear transmission model. It is based on the idea that a source creates a message, which is then translated into a signal by a transmitter. Noise may interfere with and distort the signal. Once the signal reaches the receiver, it is translated back into a message and made available to the destination. For a landline telephone call, the person calling is the source and their telephone

3472-401: Is another negative factor. It concerns influences that interfere with the message on its way to the receiver and distort it. Crackling sounds during a telephone call are one form of noise. Ambiguous expressions can also inhibit effective communication and make it necessary to disambiguate between possible interpretations to discern the sender's intention. These interpretations depend also on

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3584-520: Is at its core non-verbal and that words can only acquire meaning because of non-verbal communication. The earliest forms of human communication, such as crying and babbling, are non-verbal. Some basic forms of communication happen even before birth between mother and embryo and include information about nutrition and emotions. Non-verbal communication is studied in various fields besides communication studies, like linguistics, semiotics , anthropology , and social psychology . Interpersonal communication

3696-617: Is based on five fundamental questions: "Who?", "Says what?", "In which channel?", "To whom?", and "With what effect?". The goal of these questions is to identify the basic components involved in the communicative process: the sender, the message, the channel , the receiver , and the effect. Lasswell's model was initially only conceived as a model of mass communication, but it has been applied to other fields as well. Some communication theorists, like Richard Braddock, have expanded it by including additional questions, like "Under what circumstances?" and "For what purpose?". The Shannon–Weaver model

3808-624: Is between natural and artificial or constructed languages . Natural languages, like English , Spanish , and Japanese , developed naturally and for the most part unplanned in the course of history. Artificial languages, like Esperanto , Quenya , C++ , and the language of first-order logic , are purposefully designed from the ground up. Most everyday verbal communication happens using natural languages. Central forms of verbal communication are speech and writing together with their counterparts of listening and reading. Spoken languages use sounds to produce signs and transmit meaning while for writing,

3920-423: Is closely related to efficiency , the difference being that effectiveness is about achieving goals while efficiency is about using few resources (such as time, effort, and money) in the process. Appropriateness means that the communicative behavior meets social standards and expectations. Communication theorist Brian H. Spitzberg defines it as "the perceived legitimacy or acceptability of behavior or enactments in

4032-409: Is commonly defined as the transmission of information . Its precise definition is disputed and there are disagreements about whether unintentional or failed transmissions are included and whether communication not only transmits meaning but also creates it. Models of communication are simplified overviews of its main components and their interactions. Many models include the idea that a source uses

4144-410: Is communication between distinct people. Its typical form is dyadic communication , i.e. between two people, but it can also refer to communication within groups . It can be planned or unplanned and occurs in many forms, like when greeting someone, during salary negotiations, or when making a phone call. Some communication theorists, like Virginia M. McDermott, understand interpersonal communication as

4256-664: Is communication that takes place within an organism below the personal level, such as exchange of information between organs or cells. Intrapersonal communication can be triggered by internal and external stimuli. It may happen in the form of articulating a phrase before expressing it externally. Other forms are to make plans for the future and to attempt to process emotions to calm oneself down in stressful situations. It can help regulate one's own mental activity and outward behavior as well as internalize cultural norms and ways of thinking. External forms of intrapersonal communication can aid one's memory. This happens, for example, when making

4368-400: Is communication with oneself. Communicative competence is the ability to communicate well and applies to the skills of formulating messages and understanding them. Non-human forms of communication include animal and plant communication . Researchers in this field often refine their definition of communicative behavior by including the criteria that observable responses are present and that

4480-835: Is especially relevant for parent-young relations, courtship, social greetings, and defense. Olfactory and gustatory communication happen chemically through smells and tastes, respectively. There are large differences between species concerning what functions communication plays, how much it is realized, and the behavior used to communicate. Common functions include the fields of courtship and mating, parent-offspring relations, social relations, navigation, self-defense, and territoriality . One part of courtship and mating consists in identifying and attracting potential mates. This can happen through various means. Grasshoppers and crickets communicate acoustically by using songs, moths rely on chemical means by releasing pheromones , and fireflies send visual messages by flashing light. For some species,

4592-428: Is less intuitive and often does not result in the same level of linguistic competence . The academic discipline studying language is called linguistics . Its subfields include semantics (the study of meaning), morphology (the study of word formation), syntax (the study of sentence structure), pragmatics (the study of language use), and phonetics (the study of basic sounds). A central contrast among languages

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4704-516: Is met, such as a death of a character or a clock reaching a certain time, the loop starts again, with one or more characters retaining the memories from the previous loop. Stories with time loops commonly center on the character learning from each successive loop through time. In some media, certain characters are presented as moving through time backwards. This is a very old concept, with some accounts asserting that English mythological figure Merlin lived backwards, and appeared to be able to prophesy

4816-459: Is more basic than interpersonal communication. Young children sometimes use egocentric speech while playing in an attempt to direct their own behavior. In this view, interpersonal communication only develops later when the child moves from their early egocentric perspective to a more social perspective. A different explanation holds that interpersonal communication is more basic since it is first used by parents to regulate what their child does. Once

4928-575: Is more difficult to judge whether tactile or chemical changes should be understood as communicative signals rather than as other biological processes. For this reason, researchers often use slightly altered definitions of communication to facilitate their work. A common assumption in this regard comes from evolutionary biology and holds that communication should somehow benefit the communicators in terms of natural selection . The biologists Rumsaïs Blatrix and Veronika Mayer define communication as "the exchange of information between individuals, wherein both

5040-455: Is needed to describe how the listener can give feedback in a face-to-face conversation while the other person is talking. Examples are non-verbal feedback through body posture and facial expression . Transaction models also hold that meaning is produced during communication and does not exist independently of it. All the early models, developed in the middle of the 20th century, are linear transmission models. Lasswell's model , for example,

5152-412: Is often seen as a symbol of equality and fairness, while refusing to shake hands can indicate aggressiveness. Kissing is another form often used to show affection and erotic closeness. Paralanguage, also known as vocalics, encompasses non-verbal elements in speech that convey information. Paralanguage is often used to express the feelings and emotions that the speaker has but does not explicitly stated in

5264-414: Is possibly a ghost). Ackerman's anthology also highlights a 1972 short story by Robert Silverberg , "What We Learned From This Morning's Newspaper". In that story, a block of homeowners wake to discover that on November 22, they have received The New York Times for the coming December 1. As characters learn of future events affecting them through a newspaper delivered a week early, the ultimate effect

5376-499: Is that human communication is frequently linked to the conscious intention to send information, which is often not discernable for animal communication. Despite these differences, some theorists use the term " animal language " to refer to certain communicative patterns in animal behavior that have similarities with human language. Animal communication can take a variety of forms, including visual, auditory, tactile, olfactory , and gustatory communication. Visual communication happens in

5488-408: Is that humans and many animals express sympathy by synchronizing their movements and postures. Nonetheless, there are also significant differences, like the fact that humans also engage in verbal communication, which uses language, while animal communication is restricted to non-verbal (i.e. non-linguistic) communication. Some theorists have tried to distinguish human from animal communication based on

5600-536: Is that in time slip stories, the protagonist typically has no control and no understanding of the process (which is often never explained at all) and is either left marooned in a past or future time and must make the best of it, or is eventually returned by a process as unpredictable and uncontrolled as the journey out. The plot device is also popular in children's literature. The 2011 film, Midnight in Paris similarly presents time travel as occurring without explanation, as

5712-474: Is that it is often difficult to assess the impact of such behavior on natural selection. Another common pragmatic constraint is to hold that it is necessary to observe a response by the receiver following the signal when judging whether communication has occurred. Animal communication is the process of giving and taking information among animals. The field studying animal communication is called zoosemiotics . There are many parallels to human communication. One

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5824-446: Is that this "so upsets the future that spacetime is destroyed". The television series Early Edition , similar to the film It Happened Tomorrow , also revolved around a character who daily received the next day's newspaper, and sought to change some event therein forecast to happen. A newspaper from the future can be a fictional edition of a real newspaper, or an entirely fictional newspaper. John Buchan 's 1932 novel The Gap in

5936-503: Is the degree to which the speaker achieves their desired outcomes or the degree to which preferred alternatives are realized. This means that whether a communicative behavior is effective does not just depend on the actual outcome but also on the speaker's intention, i.e. whether this outcome was what they intended to achieve. Because of this, some theorists additionally require that the speaker be able to give an explanation of why they engaged in one behavior rather than another. Effectiveness

6048-514: Is the process of ascribing meaning to them and encoding consists in producing new behavioral cues as a response. There are many forms of human communication . A central distinction is whether language is used, as in the contrast between verbal and non-verbal communication. A further distinction concerns whether one communicates with others or with oneself, as in the contrast between interpersonal and intrapersonal communication . Forms of human communication are also categorized by their channel or

6160-409: Is the transmitter. The transmitter translates the message into an electrical signal that travels through the wire, which acts as the channel. The person taking the call is the destination and their telephone is the receiver. The Shannon–Weaver model includes an in-depth discussion of how noise can distort the signal and how successful communication can be achieved despite noise. This can happen by making

6272-403: Is to distinguish between linear transmission, interaction, and transaction models. Linear transmission models focus on how a sender transmits information to a receiver. They are linear because this flow of information only goes in a single direction. This view is rejected by interaction models, which include a feedback loop. Feedback is needed to describe many forms of communication, such as

6384-537: The Cassandra complex , where the protagonist who travels back in time explains that he can't change the past. The protagonist of the short story Story of Your Life experiences life as a superimposition of the present and the totality of her life, future included, as a consequence of learning an alien language . The mental faculty is speculation based on the Sapir–Whorf hypothesis . A "time loop" or "temporal loop"

6496-592: The Latin verb communicare , which means ' to share ' or ' to make common ' . Communication is usually understood as the transmission of information: a message is conveyed from a sender to a receiver using some medium, such as sound, written signs, bodily movements, or electricity. Sender and receiver are often distinct individuals but it is also possible for an individual to communicate with themselves. In some cases, sender and receiver are not individuals but groups like organizations, social classes, or nations. In

6608-561: The cultural background of the participants . Significant cultural differences constitute an additional obstacle and make it more likely that messages are misinterpreted. Besides human communication, there are many other forms of communication found in the animal kingdom and among plants. They are studied in fields like biocommunication and biosemiotics . There are additional obstacles in this area for judging whether communication has taken place between two individuals. Acoustic signals are often easy to notice and analyze for scientists, but it

6720-462: The senses used to perceive the message, i.e. hearing, seeing, smelling, touching, and tasting. But in the widest sense, channels encompass any form of transmission, including technological means like books, cables, radio waves, telephones, or television. Naturally transmitted messages usually fade rapidly whereas some messages using artificial channels have a much longer lifespan, as in the case of books or sculptures. The physical characteristics of

6832-574: The Curtain , is similarly premised on a group of people being enabled to see, for a moment, an item in The Times newspaper from one year in the future. During the Swedish general election of 2006 , the Swedish liberal party used election posters which looked like news items, called Framtidens nyheter ("News of the future"), featuring a future Sweden that had become what the party wanted. A communication from

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6944-482: The Fox . Researcher Barbara Bronlow wrote that traditional ghost stories are in effect an early form of time travel, since they depict living people of the present interacting with (dead) people of the past. She noted as an instance that Christopher Marlow 's Doctor Faustus called up Helen of Troy and met her arising from her grave. Communication This is an accepted version of this page Communication

7056-551: The Galaxy series, The Restaurant at the End of the Universe , which, as the title indicates, includes a restaurant that exists at the end of the universe. In the restaurant, people time-traveling from all over the space-time continuum (especially the rich) came to the restaurant to view the explosion of the universe put on repeat. The Encyclopedia of Science Fiction describes a time war as

7168-503: The ability to receive and understand messages. Competence is often contrasted with performance since competence can be present even if it is not exercised, while performance consists in the realization of this competence. However, some theorists reject a stark contrast and hold that performance is the observable part and is used to infer competence in relation to future performances. Two central components of communicative competence are effectiveness and appropriateness. Effectiveness

7280-471: The actual message from what was originally intended. A closely related problem is whether acts of deliberate deception constitute communication. According to a broad definition by literary critic I. A. Richards , communication happens when one mind acts upon its environment to transmit its own experience to another mind. Another interpretation is given by communication theorists Claude Shannon and Warren Weaver , who characterize communication as

7392-507: The audience aware of something, usually of an external event. But language can also be used to express the speaker's feelings and attitudes. A closely related role is to establish and maintain social relations with other people. Verbal communication is also utilized to coordinate one's behavior with others and influence them. In some cases, language is not employed for an external purpose but only for entertainment or personal enjoyment. Verbal communication further helps individuals conceptualize

7504-421: The auditory channel to convey verbal information with the visual channel to transmit non-verbal information using gestures and facial expressions. Employing multiple channels can enhance the effectiveness of communication by helping the receiver better understand the subject matter. The choice of channels often matters since the receiver's ability to understand may vary depending on the chosen channel. For instance,

7616-407: The behavior of others. On a practical level, interpersonal communication is used to coordinate one's actions with the actions of others to get things done. Research on interpersonal communication includes topics like how people build, maintain, and dissolve relationships through communication. Other questions are why people choose one message rather than another and what effects these messages have on

7728-581: The character use the Time Stone, one of the Infinity Stones in the Marvel Cinematic Universe , to reverse time, experiencing time backwards while so doing. In the film Tenet , characters time travel without jumping back, but by experiencing past reality in reverse, and at the same speed, after going through a 'turnstile' device and until they revert to normal time flow by going through such

7840-426: The child has learned this, they can apply the same technique to themselves to get more control over their own behavior. For communication to be successful, the message has to travel from the sender to the receiver. The channel is the way this is accomplished. It is not concerned with the meaning of the message but only with the technical means of how the meaning is conveyed. Channels are often understood in terms of

7952-650: The claim that animal communication lacks a referential function and is thus not able to refer to external phenomena. However, various observations seem to contradict this view, such as the warning signals in response to different types of predators used by vervet monkeys , Gunnison's prairie dogs , and red squirrels . A further approach is to draw the distinction based on the complexity of human language , especially its almost limitless ability to combine basic units of meaning into more complex meaning structures. One view states that recursion sets human language apart from all non-human communicative systems. Another difference

8064-503: The communicator, such as height, weight, hair, skin color, gender, clothing, tattooing, and piercing, also carries information. Appearance is an important factor for first impressions but is more limited as a mode of communication since it is less changeable. Some forms of non-verbal communication happen using such artifacts as drums, smoke, batons, traffic lights, and flags. Non-verbal communication can also happen through visual media like paintings and drawings . They can express what

8176-543: The communicators and their relation. A further topic is how to predict whether two people would like each other. Intrapersonal communication is communication with oneself. In some cases this manifests externally, like when engaged in a monologue , taking notes, highlighting a passage, and writing a diary or a shopping list. But many forms of intrapersonal communication happen internally in the form of an inner exchange with oneself, like when thinking about something or daydreaming . Closely related to intrapersonal communication

8288-410: The director "eschews a 'realist' internal logic that might explain the time travel, while also foregoing experimental time Distortion techniques, in favor of straightforward editing and a fantastical narrative set-up". In literature, communication from the future is a plot device in some science fiction and fantasy stories. Forrest J. Ackerman noted in his 1973 anthology of the best fiction of

8400-465: The existence of a socially shared coding system that is used to interpret the meaning of non-verbal behavior. Non-verbal communication has many functions. It frequently contains information about emotions, attitudes, personality, interpersonal relations, and private thoughts. Non-verbal communication often happens unintentionally and unconsciously, like sweating or blushing , but there are also conscious intentional forms, like shaking hands or raising

8512-409: The fields of experience of source and destination have to overlap. The first transactional model was proposed by communication theorist Dean Barnlund in 1970. He understands communication as "the production of meaning, rather than the production of messages". Its goal is to decrease uncertainty and arrive at a shared understanding . This happens in response to external and internal cues. Decoding

8624-434: The form of diagrams showing the basic components and their interaction. Models of communication are often categorized based on their intended applications and how they conceptualize communication. Some models are general in the sense that they are intended for all forms of communication. Specialized models aim to describe specific forms, such as models of mass communication . One influential way to classify communication

8736-806: The form of movements, gestures, facial expressions, and colors. Examples are movements seen during mating rituals , the colors of birds, and the rhythmic light of fireflies . Auditory communication takes place through vocalizations by species like birds, primates , and dogs. Auditory signals are frequently used to alert and warn. Lower-order living systems often have simple response patterns to auditory messages, reacting either by approach or avoidance. More complex response patterns are observed for higher animals, which may use different signals for different types of predators and responses. For example, some primates use one set of signals for airborne predators and another for land predators. Tactile communication occurs through touch, vibration , stroking, rubbing, and pressure. It

8848-513: The future because for him it was a memory. This tradition has been reflected in certain modern fictional accounts of the character. In the Piers Anthony book Bearing an Hourglass , the second of eight books in the Incarnations of Immortality series, the character of Norton becomes the incarnation of Time and continues his life living backwards in time. The 2016 film Doctor Strange has

8960-609: The future raises questions about the ability of humans to control their destiny. The visual novel Steins;Gate features characters sending short text messages backwards in time to avert disaster, only to find their problems are exacerbated due to not knowing how individuals in the past will actually utilize the information. Precognition has been explored as a form of time travel in fiction. Author J. B. Priestley wrote of it both in fiction and non-fiction, analysing testimonials of precognition and other "temporal anomalies" in his book Man and Time . His books include time travel to

9072-520: The future through dreaming, which upon waking up results in memories from the future. Such memories, he writes, may also lead to the feeling of déjà vu , that the present events have already been experienced, and are now being re-experienced. Infallible precognition, which describes the future as it truly is, may lead to causal loops , one form of which is explored in Newcomb's paradox . The film 12 Monkeys heavily deals with themes of predestination and

9184-447: The future to the past effected a change that alters the future. Alternative histories may exist "side by side", with the time traveller actually arriving at different dimensions as he changes time. The butterfly effect is the notion that small events can have large, widespread consequences. The term describes events observed in chaos theory where a very small change in initial conditions results in vastly different outcomes. The term

9296-415: The location of nectar to bees through their colors and shapes. Other definitions restrict communication to conscious interactions among human beings. Some approaches focus on the use of symbols and signs while others stress the role of understanding, interaction, power, or transmission of ideas. Various characterizations see the communicator's intent to send a message as a central component. In this view,

9408-406: The medium used to transmit messages. The field studying human communication is known as anthroposemiotics. Verbal communication is the exchange of messages in linguistic form, i.e., by means of language . In colloquial usage, verbal communication is sometimes restricted to oral communication and may exclude writing and sign language. However, in academic discourse, the term is usually used in

9520-418: The message partially redundant so that decoding is possible nonetheless. Other influential linear transmission models include Gerbner's model and Berlo's model . The earliest interaction model was developed by communication theorist Wilbur Schramm . He states that communication starts when a source has an idea and expresses it in the form of a message. This process is called encoding and happens using

9632-414: The message. They may result in failed communication and cause undesirable effects. This can happen if the message is poorly expressed because it uses terms with which the receiver is not familiar, or because it is not relevant to the receiver's needs, or because it contains too little or too much information. Distraction, selective perception , and lack of attention to feedback may also be responsible. Noise

9744-411: The nature and behavior of other people are based on non-verbal cues. It is further present in almost every communicative act to some extent and certain parts of it are universally understood. These considerations have prompted some communication theorists, like Ray Birdwhistell , to claim that the majority of ideas and information is conveyed this way. It has also been suggested that human communication

9856-472: The original timeline from the point of interaction. A record can be consulted multiple times, thus providing a time loop mechanism. Philip K. Dick 's novel The Man in the High Castle features books reporting on an alternate timeline. The TV series transposes the mechanism of the books to newsreels . Incidentally, the alternate timeline is the historic timeline , as opposed to the alternate history of

9968-431: The participant's experience by conceptualizing the world and making sense of their environment and themselves. Researchers studying animal and plant communication focus less on meaning-making. Instead, they often define communicative behavior as having other features, such as playing a beneficial role in survival and reproduction, or having an observable response. Models of communication are conceptual representations of

10080-445: The participants benefit from the exchange. Animal communication is used in areas like courtship and mating, parent–offspring relations, navigation, and self-defense. Communication through chemicals is particularly important for the relatively immobile plants. For example, maple trees release so-called volatile organic compounds into the air to warn other plants of a herbivore attack. Most communication takes place between members of

10192-493: The parties take turns in sending and receiving messages. This occurs when exchanging letters or emails. For synchronous communication, both parties send messages at the same time. This happens when one person is talking while the other person sends non-verbal messages in response signaling whether they agree with what is being said. Some communication theorists, like Sarah Trenholm and Arthur Jensen, distinguish between content messages and relational messages. Content messages express

10304-418: The past gave rise to the idea of "time police", people tasked with preventing such changes from occurring by themselves engaging in time travel to rectify such changes. An alternative future or alternate future is a possible future that never comes to pass, typically when someone travels back into the past and alters it so that the events of the alternative future cannot occur, or when a communication from

10416-474: The past in a way that affects their own future, such as by killing their own grandparents. The engineer Paul J. Nahin states that "even though the consensus today is that the past cannot be changed, science fiction writers have used the idea of changing the past for good story effect". Time travel to the past and precognition without the ability to change events may result in causal loops . The possibility of characters inadvertently or intentionally changing

10528-411: The past through supernatural means, for example brought on by angels or spirits. A time slip is a plot device in fantasy and science fiction in which a person, or group of people, seem to travel through time by unknown means. The idea of a time slip has been used in 19th century fantasy, an early example being Washington Irving 's 1819 Rip Van Winkle , where the mechanism of time travel

10640-451: The process of communication. Their goal is to provide a simplified overview of its main components. This makes it easier for researchers to formulate hypotheses, apply communication-related concepts to real-world cases, and test predictions . Due to their simplified presentation, they may lack the conceptual complexity needed for a comprehensive understanding of all the essential aspects of communication. They are usually presented visually in

10752-624: The process, i.e. the specific behavioral components that make up communicative competence. Message production skills include reading and writing. They are correlated with the reception skills of listening and reading. There are both verbal and non-verbal communication skills. For example, verbal communication skills involve the proper understanding of a language, including its phonology , orthography , syntax, lexicon , and semantics. Many aspects of human life depend on successful communication, from ensuring basic necessities of survival to building and maintaining relationships. Communicative competence

10864-403: The protagonists are big game hunters who travel to the distant past to hunt dinosaurs . An early example of another type, in which tourists from the future visit the present, is Catherine L. Moore and Henry Kuttner 's 1946 Vintage Season . The final type in which there are people time-traveling to the future is experienced in the second book of Douglas Adams ' The Hitchhiker's Guide to

10976-471: The right definition affects the research process on many levels. This includes issues like which empirical phenomena are observed, how they are categorized, which hypotheses and laws are formulated as well as how systematic theories based on these steps are articulated. Some definitions are broad and encompass unconscious and non-human behavior . Under a broad definition, many animals communicate within their own species and flowers communicate by signaling

11088-461: The same species. The reason is that its purpose is usually some form of cooperation, which is not as common between different species. Interspecies communication happens mainly in cases of symbiotic relationships. For instance, many flowers use symmetrical shapes and distinctive colors to signal to insects where nectar is located. Humans engage in interspecies communication when interacting with pets and working animals . Human communication has

11200-412: The signaller and receiver may expect to benefit from the exchange". According to this view, the sender benefits by influencing the receiver's behavior and the receiver benefits by responding to the signal. These benefits should exist on average but not necessarily in every single case. This way, deceptive signaling can also be understood as a form of communication. One problem with the evolutionary approach

11312-416: The signs are physically inscribed on a surface. Sign languages , like American Sign Language and Nicaraguan Sign Language , are another form of verbal communication. They rely on visual means, mostly by using gestures with hands and arms, to form sentences and convey meaning. Verbal communication serves various functions. One key function is to exchange information, i.e. an attempt by the speaker to make

11424-422: The speaker's feelings toward the topic of discussion. Relational messages, on the other hand, demonstrate the speaker's feelings toward their relation with the other participants. Various theories of the function of interpersonal communication have been proposed. Some focus on how it helps people make sense of their world and create society. Others hold that its primary purpose is to understand why other people act

11536-451: The transmission of information is not sufficient for communication if it happens unintentionally. A version of this view is given by philosopher Paul Grice , who identifies communication with actions that aim to make the recipient aware of the communicator's intention. One question in this regard is whether only successful transmissions of information should be regarded as communication. For example, distortion may interfere with and change

11648-565: The units into compound expressions are called grammar . Words are combined to form sentences . One hallmark of human language, in contrast to animal communication, lies in its complexity and expressive power. Human language can be used to refer not just to concrete objects in the here-and-now but also to spatially and temporally distant objects and to abstract ideas . Humans have a natural tendency to acquire their native language in childhood . They are also able to learn other languages later in life as second languages . However, this process

11760-399: The use of colors and fonts as well as spatial arrangement in paragraphs and tables. Non-linguistic sounds may also convey information; crying indicates that an infant is distressed, and babbling conveys information about infant health and well-being. Chronemics concerns the use of time, such as what messages are sent by being on time versus late for a meeting. The physical appearance of

11872-456: The verbal part of the message. It is not concerned with the words used but with how they are expressed. This includes elements like articulation, lip control, rhythm, intensity, pitch, fluency, and loudness. For example, saying something loudly and in a high pitch conveys a different meaning on the non-verbal level than whispering the same words. Paralanguage is mainly concerned with spoken language but also includes aspects of written language, like

11984-410: The way they do and to adjust one's behavior accordingly. A closely related approach is to focus on information and see interpersonal communication as an attempt to reduce uncertainty about others and external events. Other explanations understand it in terms of the needs it satisfies. This includes the needs of belonging somewhere, being included, being liked, maintaining relationships, and influencing

12096-552: The ways by which altering the past changes the future and creates an altered present or future for the time traveler upon their return. In other instances, the premise is that the past cannot be changed or that the future is determined, and the protagonist's actions turn out to be inconsequential or intrinsic to events as they originally unfolded. Some stories focus solely on the paradoxes and alternate timelines that come with time travel, rather than time traveling. They often provide some sort of social commentary, as time travel provides

12208-426: The works, so that the records also function as meta-references to the timeline experienced by the authors and the consumers of the works. The plot of the film Source Code features a simulated and time-looped reality based on the memories of a dead man. The idea of changing the past is logically contradictory , creating situations like the grandfather paradox , where time travellers go back in time and change

12320-475: The world around them and themselves. This affects how perceptions of external events are interpreted, how things are categorized, and how ideas are organized and related to each other. Non-verbal communication is the exchange of information through non-linguistic modes, like facial expressions, gestures , and postures . However, not every form of non-verbal behavior constitutes non-verbal communication. Some theorists, like Judee Burgoon , hold that it depends on

12432-453: The year that "the theme of getting hold of tomorrow's newspaper is a recurrent one". An early example of this device can be found in H. G. Wells 's 1932 short story " The Queer Story of Brownlow's Newspaper ", which tells the tale of a man who receives such a paper from 40 years in the future. The 1944 film It Happened Tomorrow also employs this device, with the protagonist receiving the next day's newspaper from an elderly colleague (who

12544-556: Was coined by mathematician Edward Lorenz years after the phenomenon was first described. The butterfly effect has found its way into popular imagination. For example, in Ray Bradbury's 1952 short story A Sound of Thunder , the killing of a single insect millions of years in the past drastically changes the world, and in the 2004 film The Butterfly Effect , the protagonist's small changes to his past results in extreme changes. A "distinct subgenre" of stories explore time travel as

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