two-point discrimination


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two-point discrimination

Neurology The ability to discriminate 1 stimulus from 2 stimuli, which may be compromised in hand injuries
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

two-point discrimination

The ability to localize two points of pressure on the surface of the skin and to identify them as discrete sensations. Synonym: tactile discrimination
See: two-point discrimination test
See also: discrimination
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Although the TPOD is a more rigorous method of evaluation as it decreases the nonspatial cues that are associated with the two-point discrimination task, it has not been assessed for reliability and therefore results involving this measure of tactile acuity should be interpreted with caution.
Static two-point discriminations of the affected finger tips were 6.94 [+ or -] 0.77 mm before lengthening and 7.06 [+ or -] 0.84 mm after lengthening.
Wilcoxon Z score was used to assess each patient's static and dynamic two-point discrimination versus the control.
Before and after this passive training, they tested the so-called "two-point discrimination threshold", a measure of the sensitivity of touch.
The second mass was nontender, but the patient reported numbness at the ulnar tip of the finger and two-point discrimination was slightly impaired (7 to 8 mm).
The PSSD measured pressure perception thresholds for both static and moving one-and two-point discrimination modalities at a variety of sites in the oral cavity and oropharynx as well as in the forearm of 11 adults.