Ambient Optic Array
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Ambient Optic Array
The ambient optic array is the structured arrangement of light with respect to a point of observation. American psychologist James J. Gibson posited the existence of the ambient optic array as a central part of his ecological approach to optics. For Gibson, perception is a bottom-up process, whereby the agent accesses information about the environment directly from invariant structures in the ambient optic array, rather than recovering it by means of complex cognitive processes. More controversially, Gibson claimed that agents can also directly pick-up the various affordances of the environment, or opportunities for the observer to act in the environment, from the ambient optic array.Noë, A. (2004). 3.9 Gibson, Affordences and the Ambient Optic Array. ''Action In Perception ''(pp. 103-106). Cambridge, Mass.: MIT Press. The optic array as reflected angles of light Gibson stressed that the environment is not composed of geometrical solids on a plane, as in a painting, but is instea ...
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Light
Light or visible light is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths). In physics, the term "light" may refer more broadly to electromagnetic radiation of any wavelength, whether visible or not. In this sense, gamma rays, X-rays, microwaves and radio waves are also light. The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum and polarization. Its speed in a vacuum, 299 792 458 metres a second (m/s), is one of the fundamental constants of nature. Like all types of electromagnetic radiation, visible light propagates by massless elementary particles called photons that represents the quanta of electromagnetic field, and can be analyzed as both waves and par ...
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Richard Gregory
Richard Langton Gregory (24 July 1923 – 17 May 2010) was a British psychologist and Professor of Neuropsychology at the University of Bristol. Life and career Richard Gregory was born in London. He was the son of Christopher Clive Langton Gregory, the first director of the University of London Observatory, and his first wife, Helen Patricia (née Gibson). Gregory served with the Royal Air Force's Signals branch during World War II, and after the war earned an RAF scholarship to Downing College, Cambridge. He was made an Honorary Fellow of Downing in 1999. In 1967, with Prof. Donald Michie and Prof. Christopher Longuet-Higgins, he founded the Department of Machine Intelligence and Perception, a forerunner of the Department of Artificial Intelligence, at the University of Edinburgh. He was Head of the Bionics Research Laboratory, Professor of Bionics, and Department Chairman 1968–70. Gregory was founding editor of the journal ''Perception'' (1972), which emphasized pheno ...
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Ecological Psychology
Ecological psychology is the scientific study of perception-action from a direct realist approach. Ecological psychology is a school of psychology that follows much of the writings of Roger Barker and James J. Gibson. Those in the field of Ecological Psychology reject the mainstream explanations of perception laid out by cognitive psychology. The ecological psychology can be broken into a few sub categories: perception, action, and dynamical systems. As a clarification, many in this field would reject the separation of perception and action, stating that perception and action are inseparable. These perceptions are shaped by an individual's ability to engage with their emotional experiences in relation to the environment and reflect on and process these. This capacity for emotional engagement leads to action, collective processing, social capital, and pro environmental behaviour. Barker Roger Barker's work was based on his empirical work at the Midwest Field Station. He wrote la ...
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Affordance
Affordance is what the environment offers the individual. American psychologist James J. Gibson coined the term in his 1966 book, ''The Senses Considered as Perceptual Systems'', and it occurs in many of his earlier essays. However, his best-known definition is taken from his seminal 1979 book, ''The Ecological Approach to Visual Perception'': The word is used in a variety of fields: perceptual psychology, cognitive psychology, environmental psychology, criminology, industrial design, human–computer interaction (HCI), interaction design, user-centered design, communication studies, instructional design, science, technology and society (STS), sports science and artificial intelligence. Original development Gibson developed the concept of affordance over many years, culminating in his final book, ''The Ecological Approach to Visual Perception'' in 1979. He defined an affordance as what the environment provides or furnishes the animal. Notably, Gibson compares an affordance wit ...
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David Marr (neuroscientist)
David Courtenay Marr (19 January 1945 – 17 November 1980)
from the ''International Encyclopaedia of Social and Behavioral Sciences'', by Shimon Edelman and Lucia M. Vaina; published 2001-01-08; archived at ; retrieved 2021-07-21
was a British and physiologist. Marr integrated results from ,



Ulric Neisser
Ulric Richard Gustav Neisser (December 8, 1928 – February 17, 2012) was a German-American psychologist, Cornell University professor, and member of the US National Academy of Sciences. He has been referred to as the "father of cognitive psychology". Neisser researched and wrote about perception and memory. He posited that a person's mental processes could be measured and subsequently analyzed.Martin, D. (2012, February 25). Ulric Neisser Is Dead at 83; Reshaped Study of the Mind. The New York Times. Pp. A20. In 1967, Neisser published ''Cognitive Psychology'', which he later said was considered an attack on behaviorist psychological paradigms. ''Cognitive Psychology'' brought Neisser instant fame and recognition in the field of psychology. While ''Cognitive Psychology'' was considered unconventional, it was Neisser's ''Cognition and Reality'' that contained some of his most controversial ideas. A main theme in ''Cognition and Reality'' is Neisser's advocacy for experiments ...
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Motion Aftereffect
The motion aftereffect (MAE) is a visual illusion experienced after viewing a moving visual stimulus for a time (tens of milliseconds to minutes) with stationary eyes, and then fixating a stationary stimulus. The stationary stimulus appears to move in the opposite direction to the original (physically moving) stimulus. The motion aftereffect is believed to be the result of motion adaptation. For example, if one looks at a waterfall for about a minute and then looks at the stationary rocks at the side of the waterfall, these rocks appear to be moving upwards slightly. The illusory upwards movement is the motion aftereffect. This particular motion aftereffect is also known as the ''waterfall illusion''. Another example can be seen when one looks at the center of a rotating spiral for several seconds. The spiral can exhibit outward or inward motion. When one then looks at any stationary pattern, it appears to be moving in the opposite direction. This form of the motion aftereffect i ...
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Necker Cube
The Necker cube is an optical illusion that was first published as a Rhomboid in 1832 by Swiss crystallographer Louis Albert Necker. It is a simple wire-frame, two dimensional drawing of a cube with no visual cues as to its orientation, so it can be interpreted to have either the lower-left or the upper-right square as its front side. Ambiguity The Necker cube is an ambiguous drawing. Each part of the picture is ambiguous by itself, yet the human visual system picks an interpretation of each part that makes the whole consistent. The Necker cube is sometimes used to test computer models of the human visual system to see whether they can arrive at consistent interpretations of the image the same way humans do. Humans do not usually see an inconsistent interpretation of the cube. A cube whose edges cross in an inconsistent way is an example of an impossible object, specifically an impossible cube (compare Penrose triangle). With the cube on the left, most people see the lower ...
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Information
Information is an abstract concept that refers to that which has the power to inform. At the most fundamental level information pertains to the interpretation of that which may be sensed. Any natural process that is not completely random, and any observable pattern in any medium can be said to convey some amount of information. Whereas digital signals and other data use discrete signs to convey information, other phenomena and artifacts such as analog signals, poems, pictures, music or other sounds, and currents convey information in a more continuous form. Information is not knowledge itself, but the meaning that may be derived from a representation through interpretation. Information is often processed iteratively: Data available at one step are processed into information to be interpreted and processed at the next step. For example, in written text each symbol or letter conveys information relevant to the word it is part of, each word conveys information rele ...
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James J
James is a common English language surname and given name: *James (name), the typically masculine first name James * James (surname), various people with the last name James James or James City may also refer to: People * King James (other), various kings named James * Saint James (other) * James (musician) * James, brother of Jesus Places Canada * James Bay, a large body of water * James, Ontario United Kingdom * James College, a college of the University of York United States * James, Georgia, an unincorporated community * James, Iowa, an unincorporated community * James City, North Carolina * James City County, Virginia ** James City (Virginia Company) ** James City Shire * James City, Pennsylvania * St. James City, Florida Arts, entertainment, and media * ''James'' (2005 film), a Bollywood film * ''James'' (2008 film), an Irish short film * ''James'' (2022 film), an Indian Kannada-language film * James the Red Engine, a character in ''Thomas the Tank En ...
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Optical Flow
Optical flow or optic flow is the pattern of apparent motion of objects, surfaces, and edges in a visual scene caused by the relative motion between an observer and a scene. Optical flow can also be defined as the distribution of apparent velocities of movement of brightness pattern in an image. The concept of optical flow was introduced by the American psychologist James J. Gibson in the 1940s to describe the visual stimulus provided to animals moving through the world. Gibson stressed the importance of optic flow for affordance perception, the ability to discern possibilities for action within the environment. Followers of Gibson and his ecological approach to psychology have further demonstrated the role of the optical flow stimulus for the perception of movement by the observer in the world; perception of the shape, distance and movement of objects in the world; and the control of locomotion. The term optical flow is also used by roboticists, encompassing related techniq ...
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Alva Noë
Alva Noë (born 1964) is an American philosopher. He is Professor of Philosophy at the University of California, Berkeley. The focus of his work is the theory of perception and consciousness. In addition to these problems in cognitive science and the philosophy of mind, he is interested in analytic phenomenology, the theory of art, Ludwig Wittgenstein, enactivism, and the origins of analytic philosophy. Education Noë received his B.A. from Columbia University. He also holds a B.Phil. from the University of Oxford and a Ph.D. from Harvard University. Philosophical work Noë joined the UC Berkeley Department of Philosophy as an associate professor in 2003, where he was a member of the UC Berkeley Institute for Cognitive and Brain Sciences, serving as a core faculty member for the Program in Cognitive Science and the Center for New Media. During 2011–2012, he was Distinguished Professor of Philosophy at the City University of New York Graduate Center. Before coming to Berkel ...
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