double-point threshold

dou·ble-·point thresh·old

the least degree of separation of two tactile stimuli applied simultaneously to the body surface that permits their being perceived as two.
Farlex Partner Medical Dictionary © Farlex 2012

dou·ble-point thresh·old

(dŭbĕl-poynt threshōld)
The least degree of separation of two tactile stimuli applied simultaneously to the body surface that permits their being perceived as two.
Medical Dictionary for the Dental Professions © Farlex 2012
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