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| Content Provider | PubMed Central |
|---|---|
| Author | Selma, Papegaaij Taube, Wolfgang Baudry, Stéphane Otten, Egbert Tibor, Hortobágyi |
| Copyright Year | 2014 |
| Abstract | Classical studies in animal preparations suggest a strong role for spinal control of posture. In humans it is now established that the cerebral cortex contributes to postural control of unperturbed and perturbed standing. The age-related degeneration and accompanying functional changes in the brain, reported so far mainly in conjunction with simple manual motor tasks, may also affect the mechanisms that control complex motor tasks involving posture. This review outlines the age-related structural and functional changes at spinal and cortical levels and provides a mechanistic analysis of how such changes may be linked to the behaviorally manifest postural deficits in old adults. The emerging picture is that the age-related reorganization in motor control during voluntary tasks, characterized by differential modulation of spinal reflexes, greater cortical activation and cortical disinhibition, is also present during postural tasks. We discuss the possibility that this reorganization underlies the increased coactivation and dual task interference reported in elderly. Finally, we propose a model for future studies to unravel the structure-function-behavior relations in postural control and aging. |
| Related Links | http://dx.doi.org/10.3389/fnagi.2014.00028 |
| Starting Page | 28 |
| File Format | |
| ISSN | 16634365 |
| e-ISSN | 16634365 |
| Journal | Frontiers in Aging Neuroscience |
| Volume Number | 6 |
| Language | English |
| Publisher | Frontiers Media S.A. |
| Publisher Date | 2014-01-01 |
| Access Restriction | Open |
| Rights Holder | Frontiers Media S.A. |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aging Cognitive Neuroscience |
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