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PSYB65H3 (500)
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Lecture

Lecture 1


Department
Psychology
Course Code
PSYB65H3
Professor
Ted Petit

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Central Nervous system Sept 13, 2010
Brain and spinal cord
Peripheral nervous system
oAll other nerves that go top other places
Human brain is very similar in organization to rat/cat
Hindbrain –Brain Stem
General area that is the base of the brain
Cerebellum, medulla
Cerebellum
oIntegrates sensory and motor
oGives you balance, allows you to stand on two legs
Medulla
oResponsible for basic life processes
Heart beat, breathing = critical
Midbrain
Reticular formation
oInvolved in sleep cycles
oCircadian rhythm – puts us to sleep and wakes us up
oIf you get damage to this place you wont wake up = COMA
Forebrain
Huge!
Thalamus (underneath is the hypothalamus)
oRelay centre in humans
oConveys information from all parts of brain
oAll neural info from the body goes to the thalamus
Hypothalamus
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