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Lecture

WEEK 7 LECTURE.docx

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Department
Psychology
Course
PSYC 100
Professor
Ingrid Johnsrude
Semester
Fall

Description
WEEK 7 LECTURE- THE BRAIN + CENTRAL NERVOUS SYSTEM -the association areas of the brain are larger in humans than in other mammals -association cortex: parts of the brain that are not sensory or motor; possibly for cognition THE HUMAN NERVOUS SYSTEM Central: brain, spinal cord Peripheral: nerves The brain is composed of: -meninges (3 flexible, cushioning layers between the skull and brain that provide protection) -blood vessels (feeds nutrients to the brain, gets rid of waste) (arteries carry fresh, O2'd blood, veins carry used blood) ("canals" carry used blood and cerebral spinal fluid away) -cerebral spinal fluid (4 ventricles in the brain: hollow spaces filled with CSF) (supports and cushions the brain) -glial cells GREY MATTER(outside, folded covering) vs WHITE MAT
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