Feedforward somatosensory inhibition is normal in cervical dystonia

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Feedforward somatosensory inhibition is normal in cervical dystonia. / Ferrè, Elisa R; Ganos, Christos; Bhatia, Kailash P; Haggard, Patrick.

In: PARKINSONISM RELAT D, Vol. 21, No. 3, 01.03.2015, p. 266-70.

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@article{eb90f7c186a74c82a1e541d10769c890,
title = "Feedforward somatosensory inhibition is normal in cervical dystonia",
abstract = "BACKGROUND: Insufficient cortical inhibition is a key pathophysiological finding in dystonia. Subliminal sensory stimuli were reported to transiently inhibit somatosensory processing. Here we investigated whether such subliminal feedforward inhibition is reduced in patients with cervical dystonia.METHODS: Sixteen cervical dystonia patients and 16 matched healthy controls performed a somatosensory detection task. We measured the drop in sensitivity to detect a threshold-level digital nerve shock when it was preceded by a subliminal conditioning shock, compared to when it was not.RESULTS: Subliminal conditioning shocks reduced sensitivity to threshold stimuli to a similar extent in both patients and controls, suggesting that somatosensory subliminal feedforward inhibition is normal in cervical dystonia.CONCLUSION: Somatosensory feedforward inhibition was normal in this group of cervical dystonia patients. Our results qualify previous concepts of a general dystonic deficit in sensorimotor inhibitory processing.",
author = "Ferr{\`e}, {Elisa R} and Christos Ganos and Bhatia, {Kailash P} and Patrick Haggard",
note = "Copyright {\textcopyright} 2015 Elsevier Ltd. All rights reserved.",
year = "2015",
month = mar,
day = "1",
doi = "10.1016/j.parkreldis.2014.12.026",
language = "English",
volume = "21",
pages = "266--70",
journal = "PARKINSONISM RELAT D",
issn = "1353-8020",
publisher = "Elsevier BV",
number = "3",

}

RIS

TY - JOUR

T1 - Feedforward somatosensory inhibition is normal in cervical dystonia

AU - Ferrè, Elisa R

AU - Ganos, Christos

AU - Bhatia, Kailash P

AU - Haggard, Patrick

N1 - Copyright © 2015 Elsevier Ltd. All rights reserved.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - BACKGROUND: Insufficient cortical inhibition is a key pathophysiological finding in dystonia. Subliminal sensory stimuli were reported to transiently inhibit somatosensory processing. Here we investigated whether such subliminal feedforward inhibition is reduced in patients with cervical dystonia.METHODS: Sixteen cervical dystonia patients and 16 matched healthy controls performed a somatosensory detection task. We measured the drop in sensitivity to detect a threshold-level digital nerve shock when it was preceded by a subliminal conditioning shock, compared to when it was not.RESULTS: Subliminal conditioning shocks reduced sensitivity to threshold stimuli to a similar extent in both patients and controls, suggesting that somatosensory subliminal feedforward inhibition is normal in cervical dystonia.CONCLUSION: Somatosensory feedforward inhibition was normal in this group of cervical dystonia patients. Our results qualify previous concepts of a general dystonic deficit in sensorimotor inhibitory processing.

AB - BACKGROUND: Insufficient cortical inhibition is a key pathophysiological finding in dystonia. Subliminal sensory stimuli were reported to transiently inhibit somatosensory processing. Here we investigated whether such subliminal feedforward inhibition is reduced in patients with cervical dystonia.METHODS: Sixteen cervical dystonia patients and 16 matched healthy controls performed a somatosensory detection task. We measured the drop in sensitivity to detect a threshold-level digital nerve shock when it was preceded by a subliminal conditioning shock, compared to when it was not.RESULTS: Subliminal conditioning shocks reduced sensitivity to threshold stimuli to a similar extent in both patients and controls, suggesting that somatosensory subliminal feedforward inhibition is normal in cervical dystonia.CONCLUSION: Somatosensory feedforward inhibition was normal in this group of cervical dystonia patients. Our results qualify previous concepts of a general dystonic deficit in sensorimotor inhibitory processing.

U2 - 10.1016/j.parkreldis.2014.12.026

DO - 10.1016/j.parkreldis.2014.12.026

M3 - SCORING: Journal article

C2 - 25601129

VL - 21

SP - 266

EP - 270

JO - PARKINSONISM RELAT D

JF - PARKINSONISM RELAT D

SN - 1353-8020

IS - 3

ER -