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Cards In This Set
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Background on visual object recognition x5
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- perception - visual stimuli - previous knowledge - object recognition - pattern recognition
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7 parts of the visual system
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- distal stimulus- proximal stimulus - retina- sensory memory - iconic memory - visual sensory memory - occipital lobe - primary visual cortex - inferotemporal cortex
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What type of psychology is this: figure, or whole entity ground with ambiguous figure-ground relationship
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Gestalt psychology
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2 explanations for figure-ground reversal
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1. adaptation of neurons in visual cortex2. people try to solve the visual paradox
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Another word for illusory contours
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Subjective contours
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Two stages of illusory contours
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1.) early stages of processing2.) later stages of processing
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3 theories of visual object recognition
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- template matching theory - feature analysis theory - the recognition by components theory
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- consists of templates- compare stimulus to templates until a match is found - most simplest but incomplete theory
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Template - matching theory
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Problem with the template matching theory
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- inflexible - only works for isolated letters, numbers, objects
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Has distinctive features i- recognizes letters and numbers on envelopes
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Feature analysis theory
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Research that decides if two letters are different
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Eleanor Gibson's research
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What researches have been done on the feature analysis theory
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Eleanor Gibson's research Hubel and Wiesel's research
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What research consists of single-cell recording techniques, orientation of a visual stimulus, primary visual cortex and feature detectors
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Hubel and wiesel's research
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What is the problems with feature- analysis approach
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- doesnt account for the relationship between features- doesnt explain recognition of more complex objects
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This theory consists of combining geons to form objects and the structural theory.
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The recognition-by- components theory
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