PSYB65H3 Lecture Notes - Apraxia, Sensory Threshold, Sensory System
Document Summary
All info starts here (comes in here first) Eyes grows out of brain -> developmentally part of the brain. Divided down center of retina ( 2 portions : nasal portion -> closest to nose, temporal portion -> outside portion -> closest to side of head. Nerves connects through to: optic nerve. Realistically it is a part of the cns but break rule and call it optic nerve: optic chiasm. Cross over of some nerves between retina and cortex. Temporal portion comes in to chiasm and leaves same side it was from. Nasal portion nerves cross over then goes into the brain. From retina on right side, leaves chiasm on left side vice versa. Object in right visual field, hits nasal(left) of right eye, temporal(left) of left eye. Object in left visual field, hits temporal(right) of right eye, nasal(right) of left eye. Assuming looking straight ahead with both eyes middle is center.
