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

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A revised method for measuring distraction by tactile stimulation.

Jacqueline R Schechter¹, Deanna J Greene², Jonathan M Koller³

¹School of Arts and Sciences, Washington University in St. Louis, St. Louis, USA.

|October 7, 2014

Summary

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This summary is machine-generated.

Sensory hypersensitivity (SH) in Tourette Syndrome/Chronic Tic Disorder (TS/CTD) was studied. Mild tactile stimuli were found to distract attention in TS/CTD patients, suggesting a link between sensory processing and attention deficits.

Area of Science:

Neuroscience
Developmental Psychology
Clinical Psychology

Background:

Sensory hypersensitivity (SH) is common in developmental disorders like Tourette Syndrome/Chronic Tic Disorder (TS/CTD).
Understanding SH's impact on attention is crucial for TS/CTD management.
Previous research indicates potential links between sensory processing and attention.

Purpose of the Study:

To quantify the attentional distraction caused by mild tactile stimuli in adults with TS/CTD.
To explore the relationship between sensory hypersensitivity, ADHD, and tic symptoms.
To compare cognitive task performance between individuals with TS/CTD and neurotypical controls.

Main Methods:

Utilized a sustained attention choice reaction time task.

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Last Updated: Apr 23, 2026

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

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Published on: September 1, 2016

Testing Tactile Masking between the Forearms

Testing Tactile Masking between the Forearms

Published on: February 10, 2016

Tactile Semiautomatic Passive-Finger Angle Stimulator TSPAS

Tactile Semiautomatic Passive-Finger Angle Stimulator TSPAS

Published on: July 30, 2020

Administered questionnaires assessing SH, ADHD, and tic symptoms.

Applied mild tactile stimuli (von Frey hair) to the ankle during task performance in an alternating ON/OFF design.

Main Results:

Presented clinical and cognitive task data for 14 adults with TS/CTD and 14 controls.
Quantified the degree of attentional distraction from mild tactile stimuli in the TS/CTD group.
Reported on SH and ADHD questionnaire data and tic symptom severity.

Conclusions:

Mild tactile stimuli can distract attention in individuals with TS/CTD.
Findings suggest sensory processing differences contribute to attention difficulties in TS/CTD.
Further research is warranted to explore therapeutic interventions targeting sensory modulation.