Class Notes (923,351)
CA (543,218)
UTSC (33,026)
Psychology (8,051)
PSYB65H3 (525)
Ted Petit (310)
Lecture

PSYB65-Lecture 1 Notes

4 Pages
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Department
Psychology
Course Code
PSYB65H3
Professor
Ted Petit

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Lecture 1-PSYB65
x Nervous system (2 components)
o Peripheral nervous system
all other nerves
o Central nervous system
Brain
Spinal cord
x Gradual change from brain to spinal cord (no dividing line)
x Human brain identical to rats, cats, etc.
x 3 basic parts to a brain:
o Forebrain
Most anterior portion of the brain
Human brain is mostly forebrain by mass
Human evolution has favoured it
vo}]}vWZoY~vZ]]Z
hypothalamus)
x Major relay centre (important in humans and higher
mammals because we have big cortex)
x we needed to have relay centre to convey info to
right place in neocortex
x Info from every sensory system in body stops in the
thalamus and is relayed to right place in neocortex
x /v]u]]Àv]uoUZouµ}v[}uµZ
relaying because cortex is small
Hypothalamus (not single structure, instead is a system)
x }v}oo]((µv]}vYl]o]À]XXZ]U
hunger, territoriality, sexual behaviour
x Makes you feel good (i.e. eating, drinking, sexual
activity, cocaine stimulates this part of the brain)
Limbic system (made up of a number of structures)
x Animals have different sizes of limbic system i.e.
snake vs. dog
x Deals with emotions and emotionality
x Amygoala
x Hippocampus
x Hypothalamus
Cerebral Cortex
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Description
Lecture 1-PSYB65 N Nervous system (2 components) o Peripheral nervous system all other nerves o Central nervous system Brain Spinal cord N Gradual change from brain to spinal cord (no dividing line) N Human brain identical to rats, cats, etc. N 3 basic parts to a brain: o Forebrain Most anterior portion of the brain Human brain is mostly forebrain by mass Human evolution has favoured it Lo}]}L9ZoKZ;~LZ]]ZZ hypothalamus) N Major relay centre (important in humans and higher mammals because we have big cortex) N we needed to have relay centre to convey info to right place in neocortex N Info from every sensory system in body stops in the thalamus and is relayed to right place in neocortex N L]K]]L]KoZ7ZoKZ}ZL[}K Z relaying because cortex is small Hypothalamus (not single structure, instead is a system) N }L}oZo]L ]}LZ;lZZ ]Zo]]::Z]Z7 hunger, territoriality, sexual behaviour N Makes you feel good (i.e. eating, drinking, sexual activity, cocaine stimulates this part of the brain) Limbic system (made up of a number of structures) N Animals have different sizes of limbic system i.e. snake vs. dog N Deals with emotions and emotionality N Amygoala N Hippocampus N Hypothalamus Cerebral Cortex www.notesolution.com
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