The new modalities of transcranial electric stimulation: tACS, tRNS, and other approaches

Andrea Antal, Ivan Alekseichuk, Walter Paulus

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Scopus citations

Abstract

The most frequently used low-intensity transcranial electrical stimulation (tES) techniques are transcranial direct current (tDCS), alternating current (tACS), and random noise stimulation (tRNS). During tES, currents are applied with intensities ranging between 0.4 and 2 mA through the human scalp. It has been suggested that tACS interacts with cortical oscillations in a frequency-specific manner at single and using tRNS, at multiple frequencies. All techniques might affect homeostatic mechanisms or the signal- to-noise ratio in the brain. The aim of this review is to summarize basic aspects of tACS and tRNS, their possible neuronal mechanisms and clinical applications.

Original languageEnglish (US)
Title of host publicationTranscranial Direct Current Stimulation in Neuropsychiatric Disorders: Clinical Principles and Management
Subtitle of host publicationClinical Principles and Management
PublisherSpringer International Publishing AG
Pages21-28
Number of pages8
ISBN (Electronic)9783319339672
ISBN (Print)9783319339658
DOIs
StatePublished - Sep 12 2016

Keywords

  • Alternating current
  • Brain oscillations
  • Random noise
  • Transcranial stimulation

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