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vision1_2011

vision1_2011 - Visual System II Synopsis Ralph Adolphs...

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October 31, 2011 Visual System II Chapters 25, 27 Ralph Adolphs 1 Synopsis: Wrap-up from last time Perception Retina Central projections Visual Cortex Receptive Felds 2 3 Takehome points from last time -information is encoded in brain connectivity -human brain is very large; humans are altricial -nomenclature, orientation -meninges, BBB -major subdivisions of the brain (lobes, sensorimotor regions) 3 ±rontal lobe Parietal Lobe Temporal Lobe Occipital Lobe Cerebellum Brainstem 4 Primary Motor Cortex BA 4 Premotor/supplementary Motor cortex BA 6 Frontal Eye Fields BA 8 Broca’s Area (left side) BA 44, 45 Prefrontal Cortex (Frontal Association Areas) 5 Primary somatosensory cortex BA 3, 1, 2 Somatosensory association areas BA 5,7 Angular gyrus BA 39 Supramarginal gyrus BA 40 6
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Primary Visual Cortex BA 17 Higher level visual cortex BA 18,19 7 Wernicke’s Area (left primarily) BA 22 Temporal Visual Association Areas Temporal pole 8 Neocortex is organized into maps -primary sensory cortices are topographic -higher-order cortices are next to primary cortices -there are information processing streams through cortex 9 10 Phrenology 11 12
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1. The instinct of reproduction (located in the cerebel um). 2. The love of one's offspring. 3. Affection and friendship. 4. The instinct of self-defense and courage; the tendency to get into Fghts. 5. The carnivorous instinct; the tendency to murder. 6. Guile; acuteness; cleverness. 7. The feeling of property; the instinct of stocking up on food (in animals); covetousness; the tendency to steal. 8. Pride; arrogance; haughtiness; love of authority; loftiness. 9. Vanity; ambition; love of glory (a quality "beneFcent for the individual and for society"). 10. Circumspection; forethought. 11.
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