Transcranial direct current stimulation over the visual cortex facilitates awake consolidation of visual perceptual learning

Abstract

Transcranial direct current stimulation (tDCS) attracts extensive attention from a broad range of research fields, as it can non-invasively and rapidly modulate brain functions such as vision in both healthy and patient populations [1,10]. Meanwhile, vision can also be substantially improved by intensive training, a phenomenon called visual perceptual learning (VPL). VPL has been used to restore and enhance visual functions in neuro-ophthalmological diseases like amblyopia. Moreover, combining VPL and tDCS applied during training can further improve visual skills [2,3].

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