PSYCH101 Lecture Notes - Lecture 7: Thalamus, Retina, Visual Cortex

• School: University of Waterloo
• Department: Psychology
• Course: PSYCH101
• Professor: Martha Savage

Document Summary

Our minds interpret what our senses detect. We construct perceptions drawing on both sensation and our experiences and expectations. Lens, changes shape, to focus incoming light rays into an image on the retina by process of accommodation. Light bipolar cells ganglion cells converge to form optic nerve to the brain"s visual cortex via the thalamus. Blind spot where optic nerve leaves eye, there are no receptor cells. Cones cluster in and around the fovea for focusing. Ganglion axons forming the optic nerve run to the thalamus, where they synapse with neurons that run to the visual cortex. Rods black and white vision, does not require much light. Cones perceive colour presence of lots of light. The processing of many aspects of a problem simultaneously. Brain integrates information that the retina projects to several visual cortex areas, compares it to stored information, and enables you to recognize the image. Primary visual cortex part of brain that processes where visual information is.