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30 Cards in this Set

  • Front
  • Back
resting potential
is cell negative or positive?
nueron is stable *negative charge when cell is inactive
action portential
voltage spike that travels along axon
absolute refractory period
brief time after action potential before another potential can begin
nuerotransmitter
sends messages between nuerons--chemical
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
nueral networks
interconnected nueral cells, can learn.
cerebral cortex
motor
sensory
MOTOR-left side
SENSORY-right side
Hindbrain
cerebellum, "little" VOLUNTARY movement and balance..coordination
cerebrum
complex mental activities..learning/thinking
4 lobes?
frontal, parietal,temporal, and occipital
5 LANGUAGE centers
motor cortex-word pronounced, angular gyrus-puts visual and audio together, visual cortex, wernickes area-auditory, brocas area-speech
thalamus
but not what?
relays messages, distributes sensory sensations NOT SMELL
hysothalamus
4 fs?
below thalamus, POWER, maintanence activities, endocrine.. emotion!feeding, fithing, fleeing, fucking
limbic system
hippocampus
emotions and memory
memory and learning
Endocrine system
pituitary
bodys chemical commun. system, set of glands that secrete hormones into blood stream.

hormones
somatic nervous system
afferent
efferent
same!
incomongin
outgoing
autonomic nervous
sympathetic
parasympathetic
arouses! mobilizes bodys resources
calms!conserves bodys resources

homeostasis
EEG
records activity, electrodes placed on scalp
cat scan
3-D xrays
fmri
shows visual cortex activated as subject looks at faces
lesioning
tissue destruction, naturally or experi. cause destruction of brain tissue
CORPUS CALLOSOM
the information highway to each brain half
split brain
what does it help?
2 hemispheres are isolated, cut fibers of CC--helps epilipsey
cerebral cortex
thoughts, emotion, voluntary emotions
spinal
involentary nueral fibers
medulla
heart and breathign
reticular from
arousal
hippo
learning
thalamus
swith board
hypo
4 fs "power"