The Vestibular-Evoked Postural Response of Adolescents with Idiopathic Scoliosis Is Altered: e0143124


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Pialasse, Jean-Philippe, Mercier, Pierre, Descarreaux, Martin, Blouin, Jean et Simoneau, Martin (2015). The Vestibular-Evoked Postural Response of Adolescents with Idiopathic Scoliosis Is Altered: e0143124. PLoS ONE, 10 (11). DOI 10.1371/journal.pone.0143124

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Adolescent idiopathic scoliosis is a multifactorial disorder including neurological factors. A dysfunction of the sensorimotor networks processing vestibular information could be related to spine deformation. This study investigates whether feed-forward vestibulomotor control or sensory reweighting mechanisms are impaired in adolescent scoliosis patients. Vestibular evoked postural responses were obtained using galvanic vestibular stimulation while participants stood with their eyes closed and head facing forward. Lateral forces under each foot and lateral displacement of the upper body of adolescents with mild (n = 20) or severe (n = 16) spine deformation were compared to those of healthy control adolescents (n = 16). Adolescent idiopathic scoliosis patients demonstrated greater lateral displacement and net lateral forces than controls both during and immediately after vestibular stimulation. Altered sensory reweighting of vestibular and proprioceptive information changed balance control of AIS patients during and after vestibular stimulation. Therefore, scoliosis onset could be related to abnormal sensory reweighting, leading to altered sensorimotor processes.

Type de document: Article
Mots-clés libres: Sensorimotor System Scoliosis Spine Head Proprioception Information Processing Vestibular System Adolescence Foot Posture Neurology & Neuropathology
Date de dépôt: 04 avr. 2019 19:23
Dernière modification: 04 avr. 2019 19:23
Version du document déposé: Version officielle de l'éditeur
URI: https://depot-e.uqtr.ca/id/eprint/8646

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