Several months ago,Ambreena suffered moderate brain damage following the surgical removal of a brain tumor.Her husband is perplexed by the fact that she struggles to smile when they are together sharing a happy moment,but when looking at a recent family photograph,he notices a big grin on her face.This indicates that Ambreena suffered damage involving ____.
A)lateralization of the somatosensory cortex
B)activation of the amygdala
C)cortical input
D)subcortical input

Question

Quizplus · Accepted Answer

Cortical input is involved in voluntary facial expressions, such as smiling on command. Ambreena's inability to smile during happy moments suggests damage to the cortical pathways, while her ability to smile at a photograph indicates intact subcortical pathways, which control spontaneous expressions.

Several Months Ago,Ambreena Suffered Moderate Brain Damage Following the Surgical