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Journal article

Not all brains are created equal: the relevance of individual differences in responsiveness to transcranial electrical stimulation

Abstract:
A current issue in the research of augmentation of brain functions using transcranial electrical stimulation (tES) is the diversity and inconsistency in outcome results. Similar studies often report different results, depending on the parameters and tasks used. Such inconsistencies have led to significant doubts about the efficacy of the method in the broader scientific community, despite its promising potential for patient recovery and treatment. Evidence on the large variability in individual cortical excitability and response to tES suggests that stimulation may affect individuals differently, depending on the subject's age, gender, brain state, hormonal levels, and pre-existing regional excitability. Certain factors might even lead to the reversal of polarity-dependent effects, and therefore have crucial implications for neurorehabilitation and cognitive enhancement. Research paradigms may have to be refined in the future to avoid the confounding effects of such factors.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.3389/fnsys.2014.00025

Authors


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Institution:
University of Oxford
Division:
Medical Sciences Division
Department:
Experimental Psychology
Role:
Author


Publisher:
Frontiers Media
Journal:
Frontiers in Systems Neuroscience More from this journal
Volume:
8
Pages:
25
Publication date:
2014-02-24
Acceptance date:
2014-02-05
DOI:
EISSN:
1662-5137


Language:
English
Keywords:
Pubs id:
pubs:454180
UUID:
uuid:70a0c483-f7f3-4f37-9e40-cc16702a61f9
Local pid:
pubs:454180
Source identifiers:
454180
Deposit date:
2014-05-13

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