Abstract:
:Transcranial magnetic stimulation may represent an effective means for improving motor function in the elderly. The aim of this study was therefore to investigate the effects of paired associative stimulation (PAS; a plasticity-inducing transcranial magnetic stimulation paradigm) on acquisition of a novel visuomotor task in young and older adults. Fourteen young (20.4 ± 0.6 years) and 13 older (69.0 ± 1.6 years) adults participated in 3 experimental sessions during which training was preceded (primed) by PAS. Within each session, the interstimulus interval used for PAS was set at either the N20 latency plus 5 ms (PASLTP), the N20 latency minus 10 ms (PASLTD), or a constant 100 ms (PASControl). After training, the level of motor skill was not different between PAS conditions in young subjects (all p-values > 0.2), but was reduced by both PASLTP (p = 0.02) and PASLTD (p = 0.0001) in older subjects. Consequently, priming PAS was detrimental to skill acquisition in older adults, possibly suggesting a need for interventions that are optimized for use in elderly populations.
journal_name
Neurobiol Agingjournal_title
Neurobiology of agingauthors
Opie GM,Hand BJ,Coxon JP,Ridding MC,Ziemann U,Semmler JGdoi
10.1016/j.neurobiolaging.2019.05.017subject
Has Abstractpub_date
2019-09-01 00:00:00pages
67-76eissn
0197-4580issn
1558-1497pii
S0197-4580(19)30173-3journal_volume
81pub_type
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