Lec 3-3 Motor Cortex Flashcards Preview

Dental Physiology > Lec 3-3 Motor Cortex > Flashcards

Flashcards in Lec 3-3 Motor Cortex Deck (11)
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1
Q

areas for movement of limbs and body

A

primary motor cortex, dorsal/ventral premotor cortex, supplementary motor area

2
Q

all areas for movement are interconnected, receive blank input, and contribute to corticospinal tract so they are all involved in the blank of movement

A

thalamic, initiation

3
Q

no muscle contractions or sensations elicited from stimulation

A

silent cortex

4
Q

using or not using certain motor neurons in the brain results in blank

A

reorganization because it is very plastic

5
Q

supplementary motor area is involved in blank

A

bimanual coordination

6
Q

damage to SMA often causes blank

A

apraxia

7
Q

sma is important in blank tasks

A

complex and mental rehearsal

8
Q

number of people diagnosed with something each year

A

incidence

9
Q

number of people alive with something total

A

prevalence

10
Q

in ALS, these die

A

upper and lower motor neurons and their axons

11
Q

when an axon dies, scar tissue is left behind which leads to blank

A

sclerosis

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