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.
References in periodicals archive ?
The two-point threshold is a classical index of tactile sensitivity that measures the minimum distance that participants require to distinguish between one and two points by touch.
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.