Discuss the importance of visual perception in cognitive processes - answered by a verified writer discuss the importance of visual perception in cognitive processes show more show less i need assistance with an explanation of similarities and differences between self-perception theory and cognitive dissonance theory. (1966) who has proposed a direct theory of perception which is a 'bottom-up' theory, and gregory (1970) who has proposed a constructivist (indirect) theory of perception which is a 'top-down' theory explaining perception - a top-down approach. Self-perception theory (spt) is an account of attitude formation developed by psychologist daryl bem it asserts that people develop their attitudes (when there is no previous attitude due to a lack of experience, etc—and the emotional response is ambiguous) by observing their own behavior and concluding what attitudes must have caused it. Gregory takes this further and argues that perception is a collection of hypotheses about the world evidence for this view comes from analysis of many visual illusions that can be attributed to calibration errors (eg the tilt illusion) or misplaced assumptions (kanisza's triangle) and to the top-down influence of knowledge and expectation.
Gregory’s view is termed a ‘constructive’ view of perception as it is a top-down processing theory based on construction of our world from past experiences alongside real-time visual information. Richard gregory, who has died after a stroke, aged 86, was an outstanding figure in the scientific study of visual perception and an energetic, charismatic communicator in promoting the public. This controversy is discussed with respect to gibson (1966) who has proposed a direct theory of perception which is a 'bottom-up' theory, and gregory (1970) who has proposed a constructivist (indirect) theory of perception which is a 'top-down' theory.
A mathematical theory of perception-in-action has been devised and investigated in many forms of controlled movement, and has been described in many different species of organism using the general tau theory according to this theory, tau information, or time-to-goal information is the fundamental 'percept' in perception. Gregory weaknesses many studies lack validity as visual illusions are very artificial and don't really involve depth or context more relevant to vision for perception system as it ignores the importance of movement. Gregory’s constructivist view of perception • perception doesn’t come directly from sensory world • experience with, and knowledge about, the world (stored in memory) influences how we perceive it • eg size of an airplane in the sky • small image on retina, but infer normal size • mind imposes interpretation on perception • visual world is ambiguous • mind settles on a. Cognitive psychology perceptual processes aidan sammons psychlotronorguk comparing and contrasting gestalt with other theories of perception gibson’s theory gregory’s theory gestalt theory top down (concept in perceptual processes describe and discuss the gestalt view of perceptual organisation (10 marks) criterion what must you.
Gibson’s theory of perceptual learning this entry describes the key ideas of the influential psychologist eleanor j gibson, developed over 70 years of research with infants, children, adults, and a wide range of nonhuman species. Visual perception theory includes two main theories: gibson's theory and gregory's theory gibson's theory, which was named after american psychologist james j gibson, is called bottom-up processing, and it states that perception of an object begins with visual stimulus. An implicit personality theory is a collection of beliefs and assumptions that we have about how certain traits are linked to other characteristics and behaviors once we know something about a cardinal trait , we assume that the person also exhibits other traits that are commonly linked to that key characteristic.
Visual perception: gregory and gibson print reference this disclaimer: 1972-1980), so the direct and indirect theories proposed by gibson and gregory on visual perception will be compared and contrasted respectively this theory is a complete contrast to gregory’s top-down indirect approach that uses the cognitive state as a. An active theory of perception richard gregory theories of perception – of what happens to bridge the extraordinary gap between sensory stimulation and our experience of external objects-have a long history, of astonishing variety speculation goes back to the beginning of recorded philosophy-. The action-based theories of perception, reviewed in this entry, challenge the input-output picture they maintain that perception can also depend in a noninstrumental or constitutive way on action (or, more generally, on capacities for object-directed motor control.
Bem's self-perception theory is often viewed as representing the strongest challenge to dissonance theory explain bem's criticisms of dissonance theory and how self-perception operates few teenagers intend to get pregnant, yet many do. Gregory’s top-down theory: gregory sees perception as a hypothesis – he argues that formation of incorrect hypotheses will lead to errors in perception (eg visual illusions) perception involves making inferences about what we see and trying to make a best guess.
These perceptual (and, to a lesser extent, conceptual) categories serve as schema or templates, and perception occurs via the process of matching sensory input patterns to perceptual templates. Gregory’s theory of illusions when perception ‘goes wrong’ we have an illusion of reality this can happen in many ways, and very sometimes very dramatically. Gregory’s theory may be correct in some aspects of perception however a lot of his theory is bases on highly artificial stimuli which is often presented briefly and in fragments also gregory’s theories are often static when we are constantly on the move and even when not moving our eyes are never constantly fixed on one point.