motor control: voluntary control Flashcards

1
Q

from the visual cortex info is relayed to the parietal cortex to the _____ which creates what
(1st step)

A

VIP

rough map around you

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2
Q

VIP sends info to ____ within the _____ which has what end result

A

F4

detailed map

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3
Q

path to know where arm is in space

A

superior parietal cortex (V6a) receives info about where arm is in space and sends input to F2

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4
Q

parts of the inferior parietal cortex that contain neurons that respond to

  • seeing object
  • grasping object
  • or either (visuomotor neruons)
A

anterior intraparietal area and PFG

-for grasping

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5
Q

anterior intraparietal area and PFG send info to where?

A

F5

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6
Q

what does F5 do?

A

these neurons fire with the goal

-what do i want to do with the object in front of me

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7
Q

premotor cortex receives what

-dorsal part action

A

receive sensory info required to move (F4 and F5)

dorsal: applies rules that determine wheter appropriate to move (which way of movement works best)

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8
Q

2 parts of supplementary cortex

A

supplementary motor area: postural control

pre-supplementary area: plans motor program req to make action occur

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9
Q

what cortex is being used when you decide to give up on an action and try another way

A

supplementary motor cortex

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10
Q

what controls specific movement

A

primary motor cortex

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11
Q

primary motor cortex which layer receives snesory input from muscles and joints

A

layer 4

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12
Q

which layer of primary motor cortex is output for corticospinal pathway

A

layer 5

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13
Q

how many sets of neurons in each column and fnct

A

2
1 starts motion
1 set to maintain it as long as neccessary

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14
Q

2 kinds of columns

A

on/off for agonist m

off/on for antagonist m

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15
Q

function of central spinocerebellum

A

postural control

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16
Q

function of spinocerebullum either side of vermis

A

force and direction

17
Q

fnct of cerebrocerebullum

A

plan complex motions

18
Q

fnct of cestibulocerebullum

A

balance/eye movements

19
Q

what are the deep cerebellar nuclei

A

dentate nucleus
fastigial nucleus
interpositus

20
Q

spinocerebellum: center

inputs and outputs

A

input: vestibular, visual and auditory, efferent copy
output: interpositus n and fastigial n
to rubospinal tract

21
Q

spinocerebellum outer regions also control what

A

ballistic motions

22
Q

spinocerebellum outside region input and output

A

input: muscle afferent, efferent copy
output: interpositis n
- to rubrospinal tract

23
Q

cerebrocerebellum input and output

A

input: cerebral cortex
output: dentate, back to cortexi

24
Q

vestibulocerebellum input and output

A

input: vestibular apparatus
output: fastigial nucleus to vestibular nuclei