Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)

Wu Wang; Jiajia Yang; Yinghua Yu; Qiong Wu; Satoshi Takahashi; Yoshimichi Ejima; Jinglong Wu

doi:10.3791/61218

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)

JoVE Journal
Behavior

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JoVE Journal Behavior

Tactile Semiautomatic Passive-Finger Angle Stimulator (TSPAS)

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04:40 min

July 30, 2020

DOI: 10.3791/61218-v

Wu Wang¹, Jiajia Yang^2,4, Yinghua Yu^2,3,4, Qiong Wu^5,2, Satoshi Takahashi², Yoshimichi Ejima², Jinglong Wu^6,2

¹Cognitive Neuroscience Laboratory, Graduate School of Natural Science and Technology,Okayama University, ²Cognitive Neuroscience Laboratory, Graduate School of Interdisciplinary Science and Engineering in Health Systems,Okayama University, ³Center for Information and Neural Networks,National Institute of Information and Communications Technology, ⁴Section on Functional Imaging Methods,National Institute of Mental Health, ⁵School of Education,Suzhou University of Science and Technology, ⁶Beijing Institute of Technology

Overview

This article presents the tactile semiautomated passive-finger angle stimulator (TSPAS), a novel method for assessing tactile spatial acuity and angle discrimination. The system applies raised angle stimuli to a subject's passive fingerpad while controlling for movement speed, distance, and contact duration.

Key Study Components

Area of Science

Neuroscience
Behavioral Assessment
Tactile Perception

Background

Tactile spatial acuity is crucial for understanding sensory processing.
Traditional methods of measuring tactile perception can be limited.
Advancements in technology allow for more precise assessments.
The TSPAS system aims to improve the accuracy of tactile angle discrimination tests.

Purpose of Study

To introduce a new approach for measuring tactile spatial acuity.
To provide a semiautomated system that simplifies the testing process.
To control variables such as movement speed, distance, and contact duration during assessments.

Methods Used

Utilization of a milling machine to prepare tactile angle stimuli.
Creation of an acrylic sheet cut into specific dimensions for testing.
Assembly of tactile stimuli by gluing components together.
Implementation of a computer-controlled system for stimulus application.

Main Results

The TSPAS system effectively measures tactile spatial acuity.
Control over testing variables enhances the reliability of results.
Participants showed improved performance with the semiautomated system.
The method allows for consistent and repeatable assessments of tactile perception.

Conclusions

The TSPAS represents a significant advancement in tactile testing methodologies.
Future studies can build on this framework to explore tactile perception further.
This system may have applications in both research and clinical settings.

Frequently Asked Questions

What is the TSPAS?

The TSPAS is a tactile semiautomated passive-finger angle stimulator designed to assess tactile spatial acuity.

How does the TSPAS work?

It applies raised angle stimuli to a subject's passive fingerpad while controlling for movement speed, distance, and contact duration.

What are the benefits of using TSPAS?

It simplifies the testing process and enhances the accuracy of tactile perception assessments.

What materials are used to create the tactile stimuli?

Acrylic sheets are milled into specific shapes to create the tactile angle stimuli.

Can the TSPAS be used in clinical settings?

Yes, the TSPAS has potential applications in both research and clinical environments for assessing tactile perception.

Presented is the tactile semiautomated passive-finger angle stimulator TSPAS, a new way to assess tactile spatial acuity and tactile angle discrimination using a computer-controlled tactile stimulus system that applies raised angle stimuli to a subject's passive fingerpad, while controlling for movement speed, distance, and contact duration.

Our method provides a new approach to measuring tactile spatial acuity. Our semiautomated system is easy to operate and can be used to control movement, speed, distance and contact duration. To prepare tactile angle stimuli, use a milling machine to cut an acrylic sheet into an 8 milliliter long, 1.5 millimeter wide, 1 millimeter high polyline with two equal lines symmetrically distributed along an imaginary bisector.

And a 40 milliliter long, 40 millimeter wide, 3 millimeter high square base. Glue the polyline to the center of the square base. Degrade a 2-D raised tactile angle stimulus.

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