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16 Mar 2011
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PSYB65H3 Lec 1 (Sept 13, 2010)
http://www.utsc.utoronto.ca/~psyb65/
Global Organization of the Human Brain
Central Nervous System (CNS) Spinal Cord & Brain
Peripheral Nervous System (PNS) all other nervous that serves the rest of the
body
When drawn schematically, the human brains overall organization is very similar to
any higher order mammal
Brain stem = very lose term, something that holds the brain by
Medulla and cerebellum = two major areas of the brain
Hindbrain
Cerebellum
Sensory motor integration sends in sensory input and sends out motor output
Balance ability to stand erect
Sticks out at the back of the brain
Medulla
Basic life processes keeps a person alive at the most basic level, eg. Heart rate,
breathing, etc
Midbrain
Reticular Formation
Sleep / wakefulness cycles
Damage results in a coma (most likely)
Forebrain the most anterior part of the brain
Biggest in the human brain, relative to other parts of the brain
Thalamus
Huge central portion of the forebrain
Major relay center, particular in humans and higher mammals conveys
information to the appropriate place in the neocortex
Hypothalamus
Controls life functions (but not primitive functions) that keeps the individual alive
eg. Thirst, hungry, territoriality, sexual behavior
Anything that feels good
Limbic System
Deals with emotions and emotionality
Allows animals to feel an emotion
www.notesolution.com
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