Quantitative Sensory Testing

Quantitative Sensory Testing with probes such as two-point discrimination discs, grating orientation probes, or Semmes-Weinstein Monofilaments to study the function of mechanoreceptive fibres. We provide software to estimate perception thresholds and psychometric functions with adaptive methods.

Experimental Protocols

For quantitative sensory testing of mechanoreceptive fibres probes that can provide a known and reproducible mechanoreceptive input are used to determine a threshold or psychometric function. Below are given examples of what kind of test procedures that can be performed to study mechanoreceptive fibres.

Two-Point Discrimination & Orientation

These procedures are performed with either a two-point discrimination disc or a calibre. In the two-point discrimination test, the subject is touched by two points with varying distances between them, and the minimal distance at which the subject can perceive two points is determined. The two-point orientation test is a variant of the conventional two-point discrimination test. In this test variant, the subject is asked about the probe's orientation rather than if two points are felt. Consequently, this test determines the minimal distance at which the two points' orientation can be perceived.

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Grating Orientation

The grating orientation test like the two-point orientation determines the minimal distance at which the orientation of an object can be perceived. However, the grating orientation is usually performed with circular probes on which there are gratings with varying inter-grating distances.

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Semmes–Weinstein Monofilaments

With Semmes-Weinstein monofilaments the minimal force applied to the skin that can be perceived or felt as pain is determined. The test is performed by applying a series of monofilaments that each provide a constant force to the skin.

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Available Products


LabBench is a program for studies within neuroscience which allow an experimenter to perform experiments based on predefined protocols.

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LabBench I/O

The LabBench I/O are response and stimulus devices for electrophysiology and psychophysical experiments. With these devices, you can collect responses for threshold estimation with a response buttons or psychophysical rating scales.

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Our goal is to create open and novel research devices for neuroscience.


Inventors' Way ApS
Niels Jernes Vej 10
DK9220 Aalborg, Denmark
CVR.NR. 37596108

Copyright© Inventors' Way ApS