Areas of the body such as the lips or fingers are represented by ____ regions of the somatosensory cortex; the arms and legs are represented by relatively _____ regions of the somatosensory cortex.
A) large; small
B) small; large
C) motor; sensory
D) sensory; motor
E) cerebellum; brain stem

Question

Quizplus · Accepted Answer

The somatosensory cortex has a somatotopic map where different body parts are represented in specific areas. Areas like the lips or fingers have larger representations due to their higher sensitivity and need for precision, while less sensitive areas like the arms and legs have smaller representations.

Areas of the Body Such as the Lips or Fingers