Chapter 46.1, Problem 4R

Summary Introduction

To review:

The relation of the results of the two-point spatial discrimination test with the Figure 1.

Given:

The primary somatosensory cortex of the brain is shown in the Figure 1:

Figure 1: Primary somatosensory cortex.

Introduction:

The two-point spatial discrimination test is used to determine the ability of a particular area of the skin to differentiate two nearby objects touching the skin as separate objects and not as one object. It decides the person’s ability to identify two closely located stimuli.