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Lecture

NESC 3227 Lecture Notes - Eye Movement, Inductive Reasoning, Superior Temporal Sulcus


Department
Neuroscience
Course Code
NESC 3227
Professor
Kim Good

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January 22nd, 2013
January-22-13
12:58 PM
Fusiform gyrus lesions
Inability to process faces and some words
o Prosopagnosia
o And pure alexia
Mr John Alden, A stranger in the mirror
Disorders
o Prosopagnosia
o Associative visual agnosia
Can describe objects in great detail and can copy, but can't tell you exactly what it is
(bird example)
o Topographical disorientation
Trouble in train station finding an exit
Compensatory strategies
o Recognition by voice, not biologically significant movement
His wife
o Recognition by feature
His wife's shoes
o Very good long-term memory
o Logic, deductive and inductive reasoning
Projections from occipital lobe: 3 visual streams
Ventral stream (what stream)
o Takes info from primary visual cortex
o Moves anteriorly
o Involved in object recognition
o Info from secondary somatosensory cortex also provides info to hear to aid in object
recognition
Dorsal stream (where stream)
o Takes info from primary visual cortex to areas of the brain more interested in action (motor
areas)
o Vision for action (where to put your hand to open door)
Superior temporal sulcus (STS)
o Involved in biological motion
Review of lecture 4, occipital lobes
Localization of the brain's visual system
o Topographical representation
Visual projections beyond the occipital lobes
***Start of Chapter 14***
The parietal lobes
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