If Phineas Gage had a tamping iron pass through the top(dorsal)-most part of his brain, so that only the upper portion of his motor cortex was damaged, which of the following would MOST likely have been affected?
A)his ability to move his tongue
B)his ability to swallow
C)his ability to move his jaw
D)his ability to blink his eyes
E)his ability to shrug his shoulders

Question

Quizplus · Accepted Answer

The upper portion of the motor cortex is responsible for controlling the movement of the shoulders and upper arms, so if this area were damaged, it is likely that Phineas Gage would have lost some ability to shrug his shoulders.

If Phineas Gage Had a Tamping Iron Pass Through the Top(dorsal)-Most