A device for measuring tactile spatiotemporal sensitivity

Clayton L. Van Doren; Denis G. Pelli; Ronald T. Verrillo

doi:10.1121/1.394755

A device for measuring tactile spatiotemporal sensitivity

Clayton L. Van Doren, Denis G. Pelli, Ronald T. Verrillo

Psychology

Research output: Contribution to journal › Article › peer-review

Abstract

A tactile stimulator array constructed from 88 piezoelectric ceramic plates is described. The array can produce sinusoidal traveling waves with arbitrary temporal frequency, spatial wavelength, and amplitude. Detection thresholds were measured for five temporal frequencies (1, 4, 16, 64, and 256 Hz) and five spatial wavelengths (1.81, 3.62, 7.23, 14.5, and mm), and were plotted as a threedimensional, spatiotemporal threshold surface. Detection thresholds were also measured using a conventional vibrator and a large circular contactor simulating the infinite wavelength stimulus produced by the array. The results describe the spatial and temporal frequency sensitivity of the P and NP I cutaneous receptor populations.

Original language	English (US)
Pages (from-to)	1906-1916
Number of pages	11
Journal	Journal of the Acoustical Society of America
Volume	81
Issue number	6
DOIs	https://doi.org/10.1121/1.394755
State	Published - Jun 1987

ASJC Scopus subject areas

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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title = "A device for measuring tactile spatiotemporal sensitivity",

abstract = "A tactile stimulator array constructed from 88 piezoelectric ceramic plates is described. The array can produce sinusoidal traveling waves with arbitrary temporal frequency, spatial wavelength, and amplitude. Detection thresholds were measured for five temporal frequencies (1, 4, 16, 64, and 256 Hz) and five spatial wavelengths (1.81, 3.62, 7.23, 14.5, and mm), and were plotted as a threedimensional, spatiotemporal threshold surface. Detection thresholds were also measured using a conventional vibrator and a large circular contactor simulating the infinite wavelength stimulus produced by the array. The results describe the spatial and temporal frequency sensitivity of the P and NP I cutaneous receptor populations.",

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AB - A tactile stimulator array constructed from 88 piezoelectric ceramic plates is described. The array can produce sinusoidal traveling waves with arbitrary temporal frequency, spatial wavelength, and amplitude. Detection thresholds were measured for five temporal frequencies (1, 4, 16, 64, and 256 Hz) and five spatial wavelengths (1.81, 3.62, 7.23, 14.5, and mm), and were plotted as a threedimensional, spatiotemporal threshold surface. Detection thresholds were also measured using a conventional vibrator and a large circular contactor simulating the infinite wavelength stimulus produced by the array. The results describe the spatial and temporal frequency sensitivity of the P and NP I cutaneous receptor populations.

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A device for measuring tactile spatiotemporal sensitivity

Abstract

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