Motor Cortex

Question 1

Area 4

Answer 1

Hands and Finger Control

Question 2

Axons Decussate in medulla (cross over)

Answer 2

SMA (supplementary motor area)
- complex movement

Question 3

ALS (gradual loss of motor control)

Answer 3

AFFECTS PRIMARILY THE MOTOR SYSTEM,
- Lateral Corticospinal tract degenerates
- NOT SENSORY, COGNITIVE, OR AFFECTIVE