Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
Combining transcranial electrical stimulation with training in older adults: Effects on dual-task ability.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Jiang Yong, Lesani Azadeh, Guo Xue, Wistuba Isabella, Guiomar Raquel, Glage Denis, Ramasawmy Perianen, Antal Andrea
Аннотация
BACKGROUND: Enhancing dual-task (DT) performance in older adults through cognitive improvement may help prevent neurodegenerative decline.
OBJECTIVE: This study aimed to investigate the efficacy of combining repeated transcranial electrical stimulation (tES) targeting the left dorsolateral prefrontal cortex (L-DLPFC) with task training on DT ability in healthy older adults.
METHODS: Fifty-eight participants were randomized to receive ten 20-min sessions of cognitive and motor task training concurrently applied with either anodal transcranial direct current stimulation (tDCS), 4 Hz transcranial alternating current stimulation (tACS), or sham tES.
RESULTS: All groups demonstrated significant cognitive improvements under both single- and DT conditions immediately and four weeks after the intervention, with no between-group differences. Although motor dual-task costs decreased across all groups, this did not translate into measurable performance gains.
CONCLUSION: Overall, tES did not provide significant additive effects on DT performance when combined with multi-session training interventions.
OBJECTIVE: This study aimed to investigate the efficacy of combining repeated transcranial electrical stimulation (tES) targeting the left dorsolateral prefrontal cortex (L-DLPFC) with task training on DT ability in healthy older adults.
METHODS: Fifty-eight participants were randomized to receive ten 20-min sessions of cognitive and motor task training concurrently applied with either anodal transcranial direct current stimulation (tDCS), 4 Hz transcranial alternating current stimulation (tACS), or sham tES.
RESULTS: All groups demonstrated significant cognitive improvements under both single- and DT conditions immediately and four weeks after the intervention, with no between-group differences. Although motor dual-task costs decreased across all groups, this did not translate into measurable performance gains.
CONCLUSION: Overall, tES did not provide significant additive effects on DT performance when combined with multi-session training interventions.