nervous 2 Flashcards

1
Q

medulla oblongata

A

ascending sensory tract
descending motor tracts
cardio & resp center

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2
Q

pons

A

control breathing

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3
Q

corpora quadrigemina

A

superior (visual) & inferior (auditory) colliculi

part of midbrain

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4
Q

substantia nigra

A

cell bodies secrete dopamine

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5
Q

red nucleus

A

in midbrain

rich in blood supply

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6
Q

cerebellum

A

all movements
continuously receiving feedback
sense of equilibrium

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7
Q

reticular information

A

scattered nuclei in brain stem, medulla, pons and midbrain

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8
Q

reticular activating system

A

alerts cerebral cortex to sensory signals (i.e. alarm)

input from higher brain center to control SM

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9
Q

diencephalon

A

thalamus and hypothalamus

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10
Q

thalamus

A

relay station for sensory information on its way to the cortex
crude perception
filter out

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11
Q

hypothalamus

A
regulator of homeostasis
relay station for olfactory reflexes
hormones that regulate pituitary
feeding, thirst & satiety 
body temp
sleep pattern
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12
Q

cerebrum

A

largest part of brain

grey outside, white inside

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13
Q

gyri

A

raised

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14
Q

sulcus

A

dents

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15
Q

longitudinal fissure

A

separate left & right hemisphere

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16
Q

central sulcus

A

separate frontal & parietal lobe

17
Q

insula

A

doesn’t belong to either of the 4 lobes

believed to be associated w emotions

18
Q

association fibers

A

between gyri in same hemisphere

19
Q

commissural fibers

A

from one hemisphere to other

20
Q

projection fibers

A

form descending & ascending tracts

21
Q

basal ganglia

A

coordination of slow sustained mvmts

suppress unwanted mvmts

22
Q

limbic system

A

regulate emotional behavior

intense pleasure or pain

23
Q

hippocampus

A

retrieval of memories

converting short term into longterm

24
Q

precentral gyrus

A

primary motor cortex

motor mvmt

25
postcentral gyurs
primary somatosensory cortex | damage=can recognize, don't know what for
26
somatosensory area
receives sensory info from thalamus
27
association areas
in relevance to what is happening now to past experience
28
premotor association cortex
responsible for skilled mvmt | damage= won't be able to manipulate screw driver
29
Wernicke's area
language comprehension | damage= can't understand meaning of words
30
Broca's area
speech production | damage= can't form words
31
left hemisphere
spoken and written language numbers and science reason
32
right hemisphere
musical and artistic emotional language space perception
33
alpha
awake & resting
34
beta
mental activity
35
theta
emotional stress
36
delta
deep sleep