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Related Experiment Video

Updated: Nov 16, 2025

Tactile Semiautomatic Passive-Finger Angle Stimulator TSPAS

Tactile Semiautomatic Passive-Finger Angle Stimulator TSPAS

Published on: July 30, 2020

Simple Indigenous Two-Point Discrimination Testing Device.

Pawan Agarwal¹, Prachir Mukati², Rajeev Kukrele¹

¹Plastic Surgery Unit, Department of Surgery, NSCB Government Medical College, Jabalpur, Madhya Pradesh, India.

Neurology India

|March 1, 2021

Summary

This summary is machine-generated.

A new, affordable two-point discrimination (2-PD) testing device was developed for assessing nerve injuries and recovery. This economical tool provides accurate measurements, making it accessible for wider clinical use.

Keywords:

2-point discrimination test indigenous economical device sensory testing

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Last Updated: Nov 16, 2025

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Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects

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Published on: September 1, 2016

Area of Science:

Biomedical Engineering
Neuroscience
Clinical Diagnostics

Background:

Two-point discrimination (2-PD) testing is crucial for evaluating nerve injury severity and recovery.
Existing commercial 2-PD devices are expensive, limiting their accessibility in clinical settings.

Purpose of the Study:

To develop an economical, indigenous device for measuring two-point discrimination.
To assess the efficacy and accuracy of the newly developed 2-PD testing device.

Main Methods:

An affordable 2-PD testing device was constructed using readily available components.
The device's performance was evaluated in a study involving human volunteers.
Statistical analysis, including Kappa statistics, was employed to assess measurement agreement.

Main Results:

Thirty subjects (23 male, 7 female) participated in the study.
Good agreement was observed between the new device and existing methods for static 2-PD measurements.
Kappa statistics indicated fair to strong agreement (Kappa = 0.408 to 0.795, P < 0.05).

Conclusions:

The developed indigenous 2-PD device is simple to fabricate and highly economical.
The device yields accurate measurements of two-point discrimination.
This innovation offers a cost-effective solution for clinical nerve assessment.