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Neuroscience > chapter 7 COPY > Flashcards

chapter 7 COPY Flashcards

1
Q

neurotubes form into

A

brain and spinal cord

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2
Q

know mammalian brain

A

enter pic here

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3
Q

dermatomes

A

what the strip of skin that spinal root is linked to

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4
Q

hindbrain controls..

A

homeostasis. it controls our physiological needs

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5
Q

cerebellum means..

A

little brain

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6
Q

what species have the largest cerebellum

A

humans and birds

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7
Q

cerebellum controls.

A

accuracy, luidity of fine motor movement, and balance

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8
Q

taxion

A

disruption of motor function to do goal directed behavior

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9
Q

midbrains purpose helps with..

A

visual orientation (helps with peripheral vision)

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10
Q

pons

A

allows for better communication with cerebellum

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11
Q

reticulatar formation

A

a diffuse network of nerve pathways in the brainstem connecting the spinal cord, cerebrum, and cerebellum, and mediating the overall level of consciousness.

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12
Q

tectum

A

means roof. it”s in midbrain

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13
Q

what are the two “textum roofs”

A

superior colliculi

inferior colliculi

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14
Q

what is the super colliculi for

A

visual orienting

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15
Q

what is the inferior colliculi for

A

auditory

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16
Q

what is the purpose of the midbrain

A

to keep us safe

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17
Q

floor of midbrain

A

tegmentum (motor reflexes)

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18
Q

what is tegmentum used for

A

motor reflexes

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19
Q

what is the moto reflex used for (when babies fall)

A

to make you bigger so mom can grab you

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20
Q

test used for infant reflexes

A

apgar

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21
Q

thalmus looks like..

A

big lump on brain stem

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22
Q

what part of brain regulates pubetry

A

hypothalmus

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23
Q

hypothalamus releases..

A

hormones and oxytocin

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24
Q

what hormone is the mediator of prejudice

A

oxytocin

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25
Q

hypothalamus sends messages to..

A

pituitary

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26
Q

hypothalamus does what to hearing / seeing

A

enhances it

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27
Q

where vision is processed

A

lateral geniculate nucleus

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28
Q

limbic system allows for..

A

shortcuts for intuitive responses

29
Q

what parts of the forebrain supports emotions, learning and movement?

A

limbic system and basal ganglia

30
Q

what does basal ganglia mean

A

bottom and clump of cell bodies

31
Q

gyrus/gyri means..

A

bump

32
Q

sulcus/sulci means…

A

crack

33
Q

longitudinal fissure

A

separates left and right parts of the brain

34
Q

part of brain with internal map

A

parietal lobe

35
Q

contact mediated attraction/contact mediated repulsion

A

how cells move toward/ move away from certain things

36
Q

whats the first stage of wiring the brain

A

generation of neurons from the neural tube

37
Q

steps of wiring the brain

A

neurogenesis
migration
differentiation

38
Q

what trimester does neurogenesis occur

A

first trimester

39
Q

what trimester does cell differentiation happen

A

second

40
Q

what trimester does neuronal maturation happen

A

third

41
Q

why is there so much neurogenesis happen in first trimester

A

an increase in human growth factor

42
Q

stages of cell types/maturation

A

stem
progenitor
blast
specialized

43
Q

two types of blast cells

A

neural and glial

44
Q

arboration

A

when neurons are trying to connect to ll cells (arborize-uncontrolled growth)

45
Q

what predisposes cells to migrate to certain cortical locations

A

subvascular zone

46
Q

what distinctly differentiates the cortex’s cellular makeup?

A

organized into layers and grows off of subvacular zone

47
Q

what acts like a scaffold for new neurons

A

glial

48
Q

ventricles are what part of the brain?

A

the empty spaces

49
Q

what happens during further differentiation

A

when cells reach their destination they go from precursor to neuron

they extend their axons to find appropriate target

50
Q

what begins differentiation

A

neurites sprouting off cell body

51
Q

when is the neurons fate determined

A

before migration

52
Q

what does architecture depend on

A

intercellular signals

53
Q

optic chiasm

A

where neurons cross left and right eyes

54
Q

steps of making connections

A

pathway selection
target selection
address selection

55
Q

axons and dendritic process appear_____

A

similar. they are both called neurites in cell differentiation

56
Q

what is the growing tip called

A

growth cone

57
Q

what did hubel and wiesel work on (and got nobel prize)

A

ocular dominance (whether neurons go to contralateral vs ipsilateral) it showed how cats only respond to certain angels/placements depending on what they were exposed to during the critical period

58
Q

od

A

right eye

59
Q

os

A

left eye

60
Q

when do we become accustomed to new angles

A

critical period/critical wiring

61
Q

motor visual recalibrations

A

adjusting speed of walking to make vision go at certain speed

62
Q

synapse formation in cna steps

A

insert pic here

63
Q

part of brain when you make analogies

A

temporal parietal junction

64
Q

booba vs keke is based off of..

A

acceleration in TPJ

65
Q

basis of synesthesia is located in..

A

temporal partiaa junction

66
Q

steps of brain plasticy

A

arborization
pruning
(neurons that fire together wire together)

67
Q

what parts of the brain myelinate last

A

frontal

parietal

68
Q

Basic organization plan of CNS of call mammals

A 
Telencephalon
Diencephalon (thalamus)
Midbrain 
Hindbrain 
Spinal cord

Neuroscience (20 decks)

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