Ch. 2 Review - Chapter 2 Review Notes Names: Leslie...

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Chapter 2 Review Notes Names: Leslie Ungerleider - What/Where Pathway Mel Goodale - Where/How Pathway Irv Biederman - GEONS, Recognition by Components Nancy Kanwisher - Face Perception/Processing Key Concepts: What do illusions tell us about the mind? Our mind is in constant effort to translate external world into mental representations Our minds perform a reconstruction of the environment We operate on incomplete information and our mind fills in with best estimates The foveal blind spot and its significance for interpreting visual representation Our foveal blind spot is caused by our optic nerve exiting through the retina. It is where we cannot actually see and thus our brain fills in the empty space and helps determine how we will interpret the information. Distal versus Proximal stimulus Distal - stimulus out in the world, actual object that is “out there” in the environment Proximal - stimulus on the retina (internal representation of the object out in the world), the information registered on our sensory receptors Occipital cortex (what does it do, what do we represent in that area of the brain?) The Primary Visual Cortex is located in this area of the brain The portion of your cerebral cortex concerned with basic processing of visual stimuli Moving forward from the primary visual cortex, representations increase in complexity The What/Where and What/How pathways (what do they represent?) What Pathway - object identification, located at the back of the brain and the underside The "what" pathway leads ventrally to the inferior temporal cortex and deals with processing and representing object features, sensory memory Where Pathway - object location in space, located at the back of the brain and the top The "where" pathway leads dorsally to the parietal cortex and is involved in processing and representing spatial information (spatial locations and relationships), motor memory How Pathway - object location (and grasp) in space
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This note was uploaded on 04/15/2008 for the course CGS 3361 taught by Professor Krawczyk during the Spring '08 term at University of Texas at Dallas, Richardson.

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Ch. 2 Review - Chapter 2 Review Notes Names: Leslie...

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