Priming the brain to capitalize on metaplasticity in stroke rehabilitation

Jessica M. Cassidy, Bernadette T Gillick, James R Carey

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Repetitive transcranial magnetic stimulation (rTMS) is emerging as a potentially valuable intervention to augment the effects of behavioral therapy for stroke. When used in conjunction with other therapies, rTMS embraces the concept of metaplas-ticity. Due to homeostatic mechanisms inherent to metaplasticity, interventions known to be in isolation to enhance excitability can interact when applied successively under certain timing conditions and produce enhanced or opposite effects. Similar to "muscular wisdom," with its self-protective mechanisms, there also appears to be "synaptic wisdom" in neural networks with homeostatic processes that prevent over- and under-excitability. These processes have implications for both enhancing and suppressing the excitability effects from behavioral therapy. The purpose of this article is to relate the concept of metaplasticity, as derived from studies in humans who are healthy, to stroke rehabilitation and consider how it can be leveraged to maximize stroke outcomes.

Original languageEnglish (US)
Pages (from-to)139-150
Number of pages12
JournalPhysical therapy
Volume94
Issue number1
DOIs
StatePublished - Jan 2014

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