Table 2.

Parameters in the motor screening task assessment.

Parameters	Meaning
Mean latency	Arithmetic mean of latency, defined as the time taken for the subject to touch the cross after it appeared. Latency was measured in milliseconds; a lower mean was better
Median latency	Arithmetic median of latency
Mean error	Measure of the subject’s pointing accuracy, according to the mean distance between the center of the cross and the location the subject touched on the screen, for the 10 crosses presented to which the subject correctly responded; a lower error was better