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Psych
Neural bases of motivation
52
Psychology
Undergraduate 1
10/11/2009

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Term
sympathetic
Definition
changes everything to nonnormal
(heart acceleration, less digestion)
Term
parasympathetic
Definition
makes stuff go back to normal
Term
autonic nervous system
Definition
nerves outside of the brain (like, in the spine) that run sympathetic and parasympathetic
Term
set point
Definition
like, a temp that your body likes to be, or a weight
Term
npy
Definition
makes you hungry. strongest eating neurotransmitter
Term
if you get rid of estrogen, ovuoles, testes, whatever...
Definition
people still have sex, but not nesecarily as much
Term
cns
Definition
central nervous system
Term
efferent nerves
Definition
travel from CNS to body
Term
afferent nerves
Definition
from body to brain
Term
cranial nerves
Definition
nerves from brain to face (signicant because htey don't use spinal chord)
Term
medulla
Definition
controls breathing and blood and stuff
Term
pons
Definition
controlls sleep
Term
pons
Definition
controlls sleep
Term
cerebellum
Definition
manages inputs from body and ballance and stuff
Term
hypothalumus
Definition
what motivated behaviors (eating, sex) is all about (maybe)
Term
limbic system
Definition
amygdala, hippocampus, and hypothamalus
Term
localization of function
Definition
figuring out what parts of the brain do what
Term
contralateral control
Definition
the picture with the brain with all the body parts around it. it moves shit.
Term
somatosensory
Definition
right behind the contralateral control. It's the map of what feels what.
Term
glia
Definition
"glue" not really. It structures the brain and talks to eachother. they're still figuring it out
Term
myelin
Definition
white stuff that wraps around axons ad speeds it al up
Term
nodes of Ranvier
Definition
gaps in meylin. speed stuff up
Term
ion channel
Definition
lets in and out K and Na
Term
Na
Definition
outside neuron (more +)
Term
K
Definition
inside neuron (less plus)
Term
charge of neuron
Definition
negative
Term
blood brain barriar
Definition
PREVENTS STUff in blood from getting into the brain (made of glia)
Term
plastic
Definition
changing
Term
dura
Definition
outtermost layer of brain wrinkles
Term
arachnoid
Definition
middle layer of brain wrinkles
Term
pia mater
Definition
innermost layer of brain wrinkles
Term
hypothalmus
Definition
right below thalamus
Term
stress
Definition
reduces the density of neurons in the hypothalaus
Term
cortisol
Definition
stress chemical in humans
Term
chorticisterone
Definition
stress hormone in rats
Term
telomeres
Definition
things at the end of the dna that holds it together and prevent damage (stress weakens them and makes it harder to make proteins)
Term
longterm stress
Definition
prevents learning, makes you less good at dealing with more stress
Term
longterm potentiation
Definition
when neurons are more sensitive to one another for long periods of time
Term
frontal lobe
Definition
front (memory cognition recognition motor)
Term
parietal lobe
Definition
middle top (sensory)
Term
temporal lobe
Definition
middle bottom (speach, hearing, memory)
Term
occipital lobe
Definition
back (visual processing)
Term
ghrelin=
Definition
homeostasis eating
Term
hillock
Definition
base of the neuron
Term
neural input
Definition
shit are telling the neuron all the time "fire" "don't fire!" and it has to decide what to do
Term
transporter
Definition
puts the neurotransmitter back in the neuron
Term
enzymes
Definition
eat unwanted neurotransmitters
Term
superchaismatic nucleus
Definition
controls circadium rhythms (hamster hotel)
Term
regulated behavior
Definition
eating (if you don't do it enough, you die)
Term
unregulated behavior
Definition
sex (you could not do it, and it would be fine, but it's nice)
Term
septum
Definition
aggression
Term
sexually dimorphous nucleus
Definition
in the hypothalamus
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