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Improving working memory and pain inhibition in older persons using transcranial direct current stimulation

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Deldar, Zoha et Rustamov, Nabi et Blanchette, Isabelle et Piché, Mathieu (2019). Improving working memory and pain inhibition in older persons using transcranial direct current stimulation. Neuroscience Research, 148 . p. 19-27. ISSN 0168-0102 DOI 10.1016/j.neures.2018.12.007

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Résumé

The aim of the present study was to examine whether transcranial Direct Current Stimulation (tDCS) could enhance working memory and pain inhibition in older persons. Fifteen volunteers (7 women, 8 men; mean ± SD: 64 ± 4.4 y.o.) participated in two tDCS sessions during which an n-back task was performed with two levels of working memory load, while painful stimulation was delivered at the ankle. The experiment included five within-subject counterbalanced conditions (pain alone and 0-back or 2-back with or without pain) performed twice during each session. Compared with the pre-tDCS baseline, anodal tDCS decreased response times and improved pain inhibition by working memory in the 2-back condition (p < 0.01), but not in the 0-back or pain alone conditions, while sham tDCS produced no effect (all p > 0.3). These results indicate that working memory and pain inhibition can be improved by tDCS in older persons. © 2019 Elsevier B.V. and Japan Neuroscience Society

Type de document: Article
Mots-clés libres: aging cognition descending modulation Nneuromodulation nociceptive adult aged article clinical article dorsolateral prefrontal cortex double blind procedure female flexor reflex human male n-back test nociception pain priority journal reaction time task performance transcranial direct current stimulation working memory analgesia middle aged nociceptive pain physiology prefrontal cortex psychology radiation response short term memory very elderly aged, 80 and over humans inhibition, psychological memory, short-term pain management
Date de dépôt: 26 avr. 2021 20:23
Dernière modification: 26 avr. 2021 20:23
Version du document déposé: Post-print (version corrigée et acceptée)
URI: http://depot-e.uqtr.ca/id/eprint/9583

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