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Brain Terms
chap 4 on brain, nervous system etc
44
Psychology
12th Grade
03/01/2008

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Term
medulla
Definition
basic functions: breathing, heart rate
Term
pons
Definition
sleeping, waking, dreaming
Term
Recticular Activating system(RAS)
Definition
screening incoming information, alertness
Term
Cerebellum
Definition
balance, muscular cordination
Term
midbrain
Definition
process vison
Term
Thalmus
Definition
command center, relay switch
Term
Hypothalmus
Definition
survival of species and individual, signals hormones to fire
Term
Olfactory bulb
Definition
sense of smell, bypasses thalmus
Term
pituitary gland
Definition
secretes hormones
Term
lymbic system
Definition
pleasure center, motivated behavior and emotional reactions
Term
Amygdala
Definition
evaluate sensory information for emotional content
Term
hippocampus
Definition
storage of new information in memory
Term
cerebrum
Definition
forms of higher thinking
Term
left cerebral hemisphere
Definition
in charge of right side of body, speech, logical process
Term
right cerebral hemisphere
Definition
controls left side of body, spatial thinking, 3d depth
Term
corpus collosum
Definition
wires together left and right brain, severed in cases of sever epilepsy
Term
cerebrum
Definition
forms of higher thinking
Term
cerebral cortex
Definition
thin layer of cells, gray matter
Term
occipital lobes
Definition
visual signals
Term
temporal lobes
Definition
memory, perception, auditory, emmotion, language, wernickes area
Term
parietal lobes
Definition
pressure, pain, touch
Term
frontal lobes
Definition
motor skills, brocas area
Term
gyrus
Definition
peak
Term
sulcus
Definition
valley
Term
associted areas
Definition
specialized parts of cortex that coordinate and intercept incoming sensory signals(most in frontal lobes), two in occipital make sense of what we see, several in temperal lobe for speech and language
Term
 peripheal nervous system
Definition
handles CNS input and output, sensory nerves and motor nerves
Term
Somatic
Definition
skeletal, connected to sensory receptors
Term
sympathetic
Definition
mobilizes bodily resources and inccrease output od energy during emotion and stress
Term
parasympathetic
Definition
relaxed states, conserve energy
Term
autonomic
Definition
automatic, regulates blood vessels, glands, and internal organs like bladder
Term
endorphins
Definition
reduce pain, promote pleasure
Term
ACTH
Definition
muscle action, cognitive functioning, memory, huntingtons diseas and alxheimers, curare/blackwidows
Term
seratonin
Definition
promotes sleep, relaxation, mood regulatiom of temperature,supress pain, PROZAC
Term
dopamine
Definition
voluntary movement, learning, memorym emotions, parkinsons disease, can't cross blood/brain barrier
Term
epinphrine
Definition
adrenalin(from adrenal glands) activates sympathetic nervous system
Term
norepinephrine
Definition
heart rate up, intensifies slow instincts, affects memory, emotions, awakening form sleep
Term
gaba
Definition
inhibitory nuerotransmitter, alcohol
Term
glutamate
Definition
excited brain cells and may help damaged nerve cells
Term
EEGS
Definition
paterns of electrical activity in the brain
Term
needle electrodes
Definition
more presice information about electrical activity in small groups of nuerons or signal nuerons
Term
TMS
Definition
What happens behaviorally when a brain area is temporarily inactived
Term
PET scans
Definition
visually displayed information about areas that are active or quiet during an activity or response, and about changes associated with disorders
Term
MRI
Definition
visually displayed information about brain structures
Term
Functional MRI
Definition
visually displayed information about areas that are active or quiet during an activity or response and about changes associated with disorders
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