As part of a psychology experiment, you and a friend are determining the density of touch receptors on various body areas by measuring the distance that one can recognize two pencil points on the skin.You find that the two points are most recognizable _____ , indicating the highest density of touch receptors.
A)on the fingertips
B)on the nose
C)at the middle of the back
D)on the top of the thigh

Question

Quizplus · Accepted Answer

Fingertips have the highest density of touch receptors compared to any other body region. Therefore, the two points are most recognizable on the fingertips. This is why we use our fingertips to feel things that require fine discrimination, like reading Braille texts.

As Part of a Psychology Experiment, You and a Friend