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Differential effects of remotely supervised transcranial direct current stimulation on recognition memory depending on task order

Imperio, Casey M ; Chua, Elizabeth F

Frontiers in human neuroscience, 2023-08, Vol.17, p.1239126-1239126 [Periódico revisado por pares]

Switzerland: Frontiers Research Foundation

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  • Título:
    Differential effects of remotely supervised transcranial direct current stimulation on recognition memory depending on task order
  • Autor: Imperio, Casey M ; Chua, Elizabeth F
  • Assuntos: Accuracy ; Cognition ; COVID-19 ; Data collection ; DLPFC ; Electrical stimulation of the brain ; episodic memory ; ESB ; Experiments ; Memory ; Mental task performance ; metamemory ; Neuroscience ; Pandemics ; Prefrontal cortex ; remotely supervised tDCS ; semantic memory ; Semantics
  • É parte de: Frontiers in human neuroscience, 2023-08, Vol.17, p.1239126-1239126
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    Edited by: Vincent Clark, The University of New Mexico, United States
    Reviewed by: Francesco Di Lorenzo, Santa Lucia Foundation (IRCCS), Italy; Giuseppina Pilloni, New York University, United States
  • Descrição: Prior work has shown positive effects of High Definition transcranial direct current stimulation (HD-tDCS) over the dorsolateral prefrontal cortex (DLPFC) on semantic memory performance and metamemory monitoring accuracy. However, HD-tDCS requires setup by a trained researcher, which is not always feasible. Few studies have used remotely supervised (rs) tDCS in healthy populations, and remote supervision has strong practical benefits. The goal of the current study was to test if previously shown effects of HD-tDCS over the left DLPFC on semantic memory performance and metamemory monitoring accuracy extended to conventional rs-tDCS, which is less focal than HD-tDCS, and to episodic memory and metamemory tasks. A total of 36 healthy participants completed 6 weeks of rs-tDCS sessions, with either active left or right anodal DLPFC stimulation, or sham. Participants completed semantic and episodic memory and metamemory tasks, which each lasted for three consecutive sessions, and session order was counterbalanced across participants. Overall, there were no main effects of rs-tDCS on metamemory monitoring accuracy or memory performance for either the semantic or the episodic tasks. However, there were effects of rs-tDCS that depended on the order of completing the episodic and semantic task sessions. When participants completed the semantic task sessions after the episodic task sessions, semantic recognition was greater in the left anodal DLPFC condition. In a parallel effect, when participants completed the episodic task sessions after the semantic task sessions, episodic recognition was greater in the right anodal DLPFC condition. Prior experience with tDCS is a factor for effects of rs-tDCS on cognition. Additionally, the current experiment provides evidence for the feasibility of fully remotely supervised tDCS in healthy participants.
  • Editor: Switzerland: Frontiers Research Foundation
  • Idioma: Inglês
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