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30 Cards in this Set
- Front
- Back
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resting potential
is cell negative or positive? |
nueron is stable *negative charge when cell is inactive
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action portential
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voltage spike that travels along axon
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absolute refractory period
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brief time after action potential before another potential can begin
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nuerotransmitter
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sends messages between nuerons--chemical
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presynaptic neuron
postsynaptic neuron receptor sites lock and key model |
SENDS
RECIEVES part of the dendrite where nuerotrans. is recieved only ONE transmitter will affect a receptor |
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nueral networks
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interconnected nueral cells, can learn.
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cerebral cortex
motor sensory |
MOTOR-left side
SENSORY-right side |
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Hindbrain
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cerebellum, "little" VOLUNTARY movement and balance..coordination
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cerebrum
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complex mental activities..learning/thinking
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4 lobes?
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frontal, parietal,temporal, and occipital
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5 LANGUAGE centers
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motor cortex-word pronounced, angular gyrus-puts visual and audio together, visual cortex, wernickes area-auditory, brocas area-speech
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thalamus
but not what? |
relays messages, distributes sensory sensations NOT SMELL
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hysothalamus
4 fs? |
below thalamus, POWER, maintanence activities, endocrine.. emotion!feeding, fithing, fleeing, fucking
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limbic system
hippocampus |
emotions and memory
memory and learning |
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Endocrine system
pituitary |
bodys chemical commun. system, set of glands that secrete hormones into blood stream.
hormones |
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somatic nervous system
afferent efferent |
same!
incomongin outgoing |
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autonomic nervous
sympathetic parasympathetic |
arouses! mobilizes bodys resources
calms!conserves bodys resources homeostasis |
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EEG
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records activity, electrodes placed on scalp
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cat scan
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3-D xrays
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fmri
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shows visual cortex activated as subject looks at faces
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lesioning
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tissue destruction, naturally or experi. cause destruction of brain tissue
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CORPUS CALLOSOM
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the information highway to each brain half
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split brain
what does it help? |
2 hemispheres are isolated, cut fibers of CC--helps epilipsey
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cerebral cortex
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thoughts, emotion, voluntary emotions
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spinal
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involentary nueral fibers
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medulla
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heart and breathign
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reticular from
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arousal
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hippo
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learning
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thalamus
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swith board
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hypo
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4 fs "power"
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