Equal-sized areas of the body do not receive equal amounts of cortical space. For instance, more cortical space is devoted to the __________ than to the __________.
A) shoulder: tongue
B) abdomen: fingers
C) tongue: shoulder
D) abdomen: tongue

Question

Quizplus · Accepted Answer

The tongue is responsible for sensory perception and fine motor control, which require a larger cortical representation than the shoulder. The abdomen and fingers also have different levels of cortical representation, but not to the same extent as the tongue and shoulder.

Equal-Sized Areas of the Body Do Not Receive Equal Amounts