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Canada (158,107)
Psychology (9,565)
PSYB57H3 (369)
George Cree (102)
Chapter 3

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University of Toronto Scarborough
George Cree

Chapter 3Recognizing ObjectsVisual Perception How do you perceive and recognize objectsForm perception Process where you manage to see what basic shape and size of object isObject recognition Process of identifying objectWhy is Object Recognition CrucialAll knowledge is on form perception and object recognition without recognition you cannot bring your knowledge onto the worldObject recognition important in learningcombining new information with previous information categorizationBeyond the Information Given th Group of psychologists in 20 century Gestalt psychologists noted that or perception of visual world is organized by the ways that the stimulus input is notorganization must be contributed by perceiverJerome Bruner voiced similar claims and coined beyond the information given to describe some ways that perception of stimulus differs from the stimulus itselfThe Necker cube Ambiguous figure bc there is more than 1 way to see itFigureground organization Determination of what is the figure and what is he groundOrganization and FeaturesSome say perception of world is in two step Collection information about stimulus and interpreting informationWRONGLateral inhibition where visual system emphasizes some aspects of input and deemphasize othersNumber of observations suggest that our interpretation organization of input happens before we start cataloguing the inputs basic features and not after as secondary interpretative stepOn one side our perception of any form must start with stimulus and must be governed by what is in that stimulus The Logic of PerceptionStimulus does not tell you which elements of the input are figure and which is ground or how the form is arranged in 3DOrganizing themes must be imposed on stimulus by perceiver the organization is in the eye of the beholder and not in stimulus itselfThese are not addons late in process of perceptionproceed in parallel with the earliest pickup informationWhat matters for familiarity is the figure task perceivedthe figure plus the specification added by the perceiverand if these specifications change the familiarity is lost
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