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Title: | Cerebellar grey matter explains bimanual coordination performance in children and older adults | Authors: | Boisgontier, Matthieu Cheval, Boris van Ruitenbeek, Peter CUYPERS, Koen Leunissen, Inge Sunaert, Stephan MEESEN, Raf Zivari, Adab Hamed Renaud, Olivier Swinnen, Stephan P. |
Issue Date: | 2018 | Source: | NEUROBIOLOGY OF AGING, 65, p. 109-120 | Abstract: | The cerebellum appears to undergo late maturation in children and early decline at older age. Whether these age-related changes affect bimanual coordination performance remains unclear at best. Here, we identified the ages at which bimanual coordination performance stops improving and starts declining. In an independent cohort, we defined brain regions of interest involved in bimanual coordination using functional magnetic resonance imaging. We used these regions of interest to investigate the extent to which the gray matter of cerebellar and other brain regions explains bimanual coordination performance from 10- to 80-year-olds. Results showed that bimanual coordination performance starts declining from the age of 40 years. In participants aged 10e20 years, cerebellar lobule VI was the only significant brain predictor of bimanual coordination performance. In participants aged 60e80 years, this cerebellar region, together with the primary sensorimotor cortex, formed a group of strongest predictors. These results from 2 independent samples (10e20 and 60e80 years) suggest that cerebellar lobule VI is critical for the development and preservation of bimanual coordination skills in children and older adults, respectively. In addition, post hoc analyses suggested that the primary motor cortex mediated the adverse effect of age on bimanual coordination performance in older adults. | Keywords: | adolescent development; aging; brain; internal model; magnetic resonance imaging; movement | Document URI: | http://hdl.handle.net/1942/26000 | ISSN: | 0197-4580 | e-ISSN: | 1558-1497 | DOI: | 10.1016/j.neurobiolaging.2018.01.016 | ISI #: | 000428233700011 | Rights: | (C) 2018 Elsevier Inc. All rights reserved | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2019 |
Appears in Collections: | Research publications |
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