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The Trail Making Test is a neuropsychometric test consisting of two parts, A and B, designed to estimate a patients’s visual attention and task switching ability.*

For healthcare professional use only.

Part A tests cognitive processing speed.

The patient is asked to consecutively connect the numerical points accurately,

in ascending order, from 1 to 25 as quickly as possible, i.e., 1, 2, 3 etc

Part B tests executive functioning. The patient is asked to consecutively connect

both numerical and alphabetical points accurately, in ascending order as quickly as

possible. i.e., 1, A, 2, B, 3, C, etc. The purpose of the test is to ascertain an overall

time for completing both parts and gain information about:

The task requires the subject to ‘connect-the-dots’ of 25 consecutive targets.