Related Experiment Video
Updated: Mar 23, 2026
Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
Published on: September 1, 2016
PROSPECTIVE STUDY ON TACTILE SENSITIVITY IN THE HANDS OF A BRAZILIAN POPULATION USING THE PRESSURE-SPECIFIED SENSORY
Francisco Tustumi1, Hugo Alberto Nakamoto2, Paulo Tuma Junior2
1Undergraduate Medical Student at the School of Medicine, University of São Paulo (FMUSP), São Paulo, SP, Brazil.
Objective:
To evaluate the pressure perception thresholds on the pulp of two fingers (index and little fingers), among a Brazilian population with no nerve injury or neuropathy.
Methods:
We used the Pressure-Specified Sensory Device (a computerized device) to derive static and dynamic normal pressure perception thresholds and two-point discrimination distances.
Results:
We tested finger sensitivity on 30 volunteers. Significance analyses were performed using the Student t test. The mean values (g/mm(2)) for static one and two-point pressure thresholds (s1PD, s2PD) and dynamic one and two-point discrimination (m1PD, m2PD) in the dominant index finger were: s1PD = 0.4, m1PD = 0.4, s2PD = 0.48, m2PD = 0.51.
Conclusion:
There was no significant difference in sensitivity between the dominant and nondominant hands.
