Combination of a short cognitive training and tDCS to enhance visuospatial skills: A comparison between online and offline neuromodulation

Viola Oldrati*, Barbara Colombo, Alessandro Antonietti

*Autore corrispondente per questo lavoro

Risultato della ricerca: Contributo in rivistaArticolo in rivista

22 Citazioni (Scopus)


Visuospatial skills can be enhanced thanks to specific intervention programs, but the additional benefits of neuromodulation on these skills have not been fully investigated yet, although transcranial direct current stimulation (tDCS) has demonstrated to boost the effects of cognitive trainings. When combining cognitive intervention with neuromodulation, the time-window of tDCS application in relation to task execution has to be taken into account since it has been shown to affect stimulation outcomes. The aim of the present experiment was to investigate the influence of tDCS in enhancing the effects of a training for visuospatial skills. We hypothesized that tDCS applied during training execution (online) would improve the cognitive performance at a larger extent than tDCS applied before training execution (offline). Participants received anodal tDCS over the dorsolateral prefrontal cortex during (online) or before (offline) the completion of the training. A control sham condition was included. Visuospatial abilities were measured 24 h before (day 1, pre-test) and 24 h after (day 3, post-test) the stimulation and training session (day 2). tDCS enhanced gains for mental folding performance when applied during the execution of the training (online). Participants' mental rotation and mental folding performance improved from pre-test to post-test regardless of the stimulation condition. However participants in the online tDCS condition showed the largest improvement in mental folding performance. Findings indicate that tDCS enhanced the effects of the training when applied during its execution, showing cumulative positive aftereffects on visuospatial performance 24 h after the stimulation session. The time-dependent effect points out the importance of the time-window of tDCS application in influencing behavior when combined with cognitive programs.
Lingua originaleEnglish
pagine (da-a)32-39
Numero di pagine8
RivistaBrain Research
Stato di pubblicazionePubblicato - 2018


  • Cognitive training
  • Developmental Biology
  • Dorsolateral prefrontal cortex
  • Mental imagery
  • Molecular Biology
  • Neurology (clinical)
  • Neuromodulation
  • Neuroscience (all)
  • Transcranial direct current stimulation
  • Visuospatial abilities


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