Effects of Transcranial Electrical Stimulation on Sensory Functions

Leila Chaieb, Catarina Saiote, Walter Paulus, Andrea Antal

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

Recently, new stimulation techniques and protocols have been developed that alter visual cortex function not by induction of neuronal activity but by modulation of spontaneous activity and excitability, which can last for hours after the end of stimulation and thus induce neuroplastic alterations of cortical physiology. According to previous studies using direct or alternating currents, there are exciting prospects for the use of transcranial direct current (tDCS) and alternating current (tACS) stimulation as a tool to promote changes of visual cortex activity paralleled by perceptual/ behavioral improvements, although at present, compared to motor cortex stimulation, the induced aftereffects are generally short-lived. In this review, we will gather knowledge obtained about the potential of non-invasive electrical brain stimulation to study and modify sensory (mainly visual) processes in human subjects, and discuss directions for future research.

Original languageEnglish (US)
Title of host publicationThe Stimulated Brain
Subtitle of host publicationCognitive Enhancement Using Non-Invasive Brain Stimulation
PublisherElsevier Inc.
Pages181-205
Number of pages25
ISBN (Electronic)9780124047129
ISBN (Print)9780124047044
DOIs
StatePublished - Jun 3 2014

Keywords

  • Brain stimulation
  • Neuroplasticity
  • Perception
  • TDCS
  • Visual

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