Lec 3-3 Motor Cortex

Question 1

areas for movement of limbs and body

Answer 1

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

Question 2

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

Answer 2

thalamic, initiation

Question 3

no muscle contractions or sensations elicited from stimulation

Answer 3

silent cortex

Question 4

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

Answer 4

reorganization because it is very plastic

Question 5

supplementary motor area is involved in blank

Answer 5

bimanual coordination

Question 6

damage to SMA often causes blank

Answer 6

apraxia

Question 7

sma is important in blank tasks

Answer 7

complex and mental rehearsal

Question 8

number of people diagnosed with something each year

Answer 8

incidence

Question 9

number of people alive with something total

Answer 9

prevalence

Question 10

in ALS, these die

Answer 10

upper and lower motor neurons and their axons

Question 11

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

Answer 11

sclerosis