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Psychology (7,776)
PSYB65H3 (519)
Ted Petit (310)
Lecture

note 05 - visual and motor systems

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Department
Psychology
Course
PSYB65H3
Professor
Ted Petit
Semester
Fall

Description
Lec 5 visual system anatomy retina divided into two portions from middle -nasal portion: retina near the nose -temporal portion: retina away from the nose optic nerve --> optic chiasm --> optic tract (nerves in CNS) -nerves from temporal portion run to ipsilateral cortex while nerves from nasal portion go across to contralateral cortex -object from right visual filed will hit Nasal portion of RIGHT eye and Temporal portion of LEFT eye, then info of the object will reach to Left visual cortex -primary visual cortex(17): receive info from eyes -associational visual cortex: recognize objects faces ... problems of visual info transmission optic nerve damage-- -nomocular blindness: damage of one eye, lose vision from that eye -bitemporal hemianopia: damage of optic chiasm (nerves from nasal), lose two lateral Visual field primary cortex damage (info receiving problems)-- -partial occipital cortex damage of one side causes blindness on opposite visual field -macular sparing: complete damage of one side cortex causes blindness on opposite visual field except center spot
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