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Units : Laboratory of Neurophysiology and Movement Biomechanics | ULB382
Maintaining upright posture is a complex task requiring the integration of afferent information from the visual, somatosensory and vestibular systems. Proprioception, one of the senses supported by the somatosensory system, is essential to carry out the corrective motions needed to maintain balance. Indeed, a decrease in proprioceptive accuracy has been related to balance deficits and an increased risk of falling. Ballet dancers have been shown to integrate proprioceptive signals more strongly and rely more on proprioception than non-dancers, while proprioceptive acuity has been shown to be impaired in knee osteoarthritis (KOA) patients. However, the dissimilarities arising from differences in proprioceptive acuity and integration at the level of the cerebral cortex are unknown. Thus, this project aims to characterize objective neurophysiological markers of efficient proprioceptive integration. In the long term, this could help implement and optimize strategies to attenuate the decline in proprioception in pathological populations. Collaboration : Scott Mongold, Marc Vander Ghinst, Gilles Naeije