PMID: 9539674Apr 16, 1998Paper

Vibrotactile amplitude and frequency discrimination in temporomandibular disorders

Pain
Mark Hollins, A Sigurdsson

Abstract

The purpose of this study was to determine whether the elevation in vibrotactile detection threshold, found in many individuals with temporomandibular disorders (TMD), is paralleled by suprathreshold impairments. Participants with TMD were compared with pain-free control subjects in their ability to discriminate on the basis of differences in amplitude and frequency between vibratory stimuli delivered to the face. The TMD group was significantly impaired with respect to frequency discrimination, but not amplitude discrimination. This dissociation suggests that the cortical processing of vibrotactile signals may be affected in TMD patients. TMD participants' estimates of the intensity of their spontaneous and palpation-evoked pain did not significantly correlate with performance on either discrimination task; this finding makes it unlikely that impaired vibrotaction in TMD is primarily the result of a pain-dependent gating of tactile signals.

References

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Jan 1, 1991·Perception & Psychophysics·M HollinsA K Goble
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Jan 1, 1993·The Journal of the Acoustical Society of America·A K Goble, M Hollins

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Citations

May 15, 2008·Experimental Brain Research·Peter SvenssonBrian E Cairns
Nov 19, 2003·The Journal of Pain : Official Journal of the American Pain Society·Mark HollinsStephanie A Crane
Jul 7, 2009·Annual Review of Psychology·Mark Hollins
Feb 4, 2014·Neuroscience Letters·Jaquette LiljencrantzHåkan Olausson
May 14, 2010·The Journal of Pain : Official Journal of the American Pain Society·Mary Beth NebelGregory Essick
Jan 19, 2011·Journal of Oral Rehabilitation·P SvenssonUNKNOWN Special Interest Group of Oro-facial Pain
Mar 16, 2011·Oral Diseases·R BenolielE Eliav
Sep 22, 2009·Brain Research·Zheng ZhangMark Tommerdahl
Aug 10, 2000·Acta Odontologica Scandinavica·J MäntyvaaraA Pertovaara

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