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Lecture

notes on lec 21

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Department
Psychology
Course
PSYA01H3
Professor
Steve Joordens
Semester
Winter

Description
LECTURE 21: PERCEPTION (CHAPTER 7) Sensation refers to the raw energy- bottom raw processing. Perception can be one way or another. It all depends on your memory, past, culture, etc..helps you perceive different objects in different ways. Primary visual cortex is made up of a large number of modules which contain a large number of nerve cells that all respond to different aspects of the same part of the retina termed the visual field of those nerve cells. The retina is not evenly represented but, instead, more primary cortex is devoted to images at or near the fovea. Some nerve cells in a module respond only to lines of certain orientations, others respond only to motion, others to colour, etc. Thus, primary cortex codes the basic features of the image it receives. Primary cortex begins the building process. Secondary visual cortex regions (i.e., association cortex) is responsible for higher level visual processes as revealed by various types of brain
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