my notes Chapter 4

my notes Chapter 4 - Chapter 4 Very imp mid-term question:...

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Very imp mid-term question: you need to remember that fibers from the nasal cross over at the optic chiasm! the temporal lobes don’t even cross!!! Image gets reflected- image produced on the retina- receptors excited more than others- absorbed by visual pigment molecules- transduction takes place- inhibition and excitation in gangilion cells. Impulse from the optic nerve-to the LGN in the thalamus -toe the primary visual area (V1 O THE STRIATE CORTEX) found in the OCCIPITAL LOBE - temporal/parietal/frontal. LGN have receptive center surround receptive field=ganglion cells have center surround receptive fields cortex has simple cortical cells LGN center surround best small spots Retina center surround Cortex simple cortical cells / COMPLEX CELLS / end stopped cortical cells best to vertical bars Fibres from the optical nerve go to the LGN (90%) to regulate neural information and Superior colliculus (10%) controls eye movements. LGN receives input from
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This note was uploaded on 04/20/2011 for the course PSYC 212 taught by Professor Shahin during the Fall '11 term at McGill.

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my notes Chapter 4 - Chapter 4 Very imp mid-term question:...

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