Maximal stability limits in adolescents with Tourette syndrome
Open Access
- 30 January 2021
- journal article
- Published by Heighten Science Publications Corporation in Journal of Advanced Pediatrics and Child Health
- Vol. 4 (1), 013-022
- https://doi.org/10.29328/journal.japch.1001024
Abstract
We explored if adolescents with Gilles de la Tourette syndrome (GTS) had functional postural control impairments and how these deficits are linked to a disturbance in the processing and integration of sensory information. We evaluated the displacements of the center of pressure (COP) during maximal leaning in four directions (forward, backward, rightward, leftward) and under three sensory conditions (eyes open, eyes closed, eyes closed standing on foam). GTS adolescents showed deficits in postural stability and in lateral postural adjustments but they had similar maximal COP excursion than the control group. The postural performance of the GTS group was poorer in the eyes open condition (time to phase 1 onset, max-mean COP). Moreover, they displayed a poorer ability to maintain the maximum leaning position under the eyes open condition during mediolateral leaning tasks. By contrast, during forward leaning, they showed larger min-max ranges than control subjects while standing on the foam with the eyes closed. Together, these findings support the idea that GTS produces subclinical postural control deficits. Importantly, our results suggest that postural control disorders in GTS are highly sensitive to voluntary postural leaning tasks which have high demand for multimodal sensory integration.Keywords
This publication has 48 references indexed in Scilit:
- Increased sensory feedback in Tourette syndromeNeuroImage, 2012
- Fine motor skills in adult Tourette patients are task-dependentBMC Neurology, 2012
- Motor-Cortical Interaction in Gilles de la Tourette SyndromePLOS ONE, 2012
- Neurobiological Substrates of Tourette's DisorderJournal of Child and Adolescent Psychopharmacology, 2010
- Proprioception and Motor Control in Parkinson's DiseaseJournal of Motor Behavior, 2009
- Effects of Parkinson's disease on proprioceptive control of posture and reaching while standingNeuroscience, 2009
- Effects of Parkinson’s disease and levodopa on functional limits of stabilityClinical Biomechanics, 2008
- Thinning of sensorimotor cortices in children with Tourette syndromeNature Neuroscience, 2008
- On-line motor control in patients with Parkinson's diseaseBrain, 2004
- Basal ganglia dysfunction in Tourette’s syndrome: a new hypothesisPediatric Neurology, 2001