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12 Feb 2011
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Hindbrain--
cerebellum
-involves in sensory motor integration
-allows human to stand up with two legs (balance) by constantly modulating sensory input from
other parts of body so that keep the body standing in balance
(if damage, looks like being drunk)
medulla
-responsible for basic life processes such as heart rate, respiration (keeps human ALIVE at basic
level)
Midbrain--composes of a number of nuclei
reticular formation (primary)
-involves in sleep and wake cycles
(if damage, sleep all the time)
forebrain--
thalamus
-major relay c enter particularly in humans and other higher mammals, send info to appropriate
cortex
hypothalamus
-beneath the thalamus
-controls relative higher life functions such as thurst, hunger, ter r itoriality, sexual behaviours
(more like SPECIES)
-'feel good' part of the brain (any info that one feels good is here)
limbic system
-beyond two thalamus, deals with emotionality
-amygdala, hippocampus, partial hypothalamus
-allows animals to fe el emotions
cerebral cortax
-most anterior part, curve back to other parts of brain
-involve in higher brain functions like speech, reasoning, intelligence, info processing
brain evolution
-developed nuclei to process info from envirionment and give animals more chance to survive
-developed several bumps to cantain more and more neurons
-size o f a strcture is related to function using in a particular species (human have biggest cerebral
cortex)
brain development
-ontogeny recapitulate phylogeny
-Maclean's triune theory: 3 basic components of brain (3 brains in one)
oldest: reptilian brain (brain stem), keeps alive wit h basic processes
paleo: old mammalian (limbic system), add emotions, more like animals
neo: new mammalian, process high intellectural functions
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Document Summary

Allows human to stand up with two legs (balance) by constantly modulating sensory input from other parts of body so that keep the body standing in balance (if damage, looks like being drunk) medulla. Responsible for basic life processes such as heart rate, respiration (keeps human alive at basic level) Midbrain--composes of a number of nuclei reticular formation (primary) Involves in sleep and wake cycles (if damage, sleep all the time) forebrain-- thalamus. Major relay center particularly in humans and other higher mammals, send info to appropriate cortex hypothalamus. Controls relative higher life functions such as thurst, hunger, territoriality, sexual behaviours (more like species) "feel good" part of the brain (any info that one feels good is here) limbic system. Most anterior part, curve back to other parts of brain. Involve in higher brain functions like speech, reasoning, intelligence, info processing brain evolution. Developed nuclei to process info from envirionment and give animals more chance to survive.

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