Introduction
Light touch
Pain & temperature
Vibration sense
Position sense
Discrimination
2 point
graphesthesia
stereognosis
Extinction

Two Point Discrimination
Examination Technique:

  • use either calipers or a opened paper clip with two parallel ends.

  • demonstrate to the patient with eyes open by applying either one or two points of the stimulus to the fingerpad.

  • ask the patient to close their eyes.

  • deliver the stimulus and ask the patient to report whether they feel one or two points.


Normal Response:

  • normal values over the fingerpads are 2-4 mm.