two-point threshold

two-point threshold

[‚tü ‚pȯint ′thresh‚hōld]
(physiology)
The distance on the skin separating two pointed stimulators that is required to experience two rather than one point of stimulation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In contrast, Stevens, Foulke, and Patterson (1996) showed a moderate (r = 0.54, p < .005) relationship between braille reading speed and the mean acuity of four indices: the two-point threshold, disk gap discrimination, longitudinal orientation, and transverse orientation threshold.
Although participants are touched by a stimulus in static measures, such as the two-point threshold, the TAC is a measure that they could touch actively and is not timed.
The two-point threshold not a measure of tactile spatial resolution.