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Transcranial Direct Current Stimulation and Simultaneous Functional Magnetic Resonance Imaging
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Transcranial electrical stimulation and numerical cognition.

Amar Sarkar1, Roi Cohen Kadosh1

  • 1Department of Experimental Psychology.

Canadian Journal of Experimental Psychology = Revue Canadienne De Psychologie Experimentale
|February 26, 2016
PubMed
Summary
This summary is machine-generated.

Transcranial electrical stimulation (tES), including transcranial direct current stimulation (tDCS) and transcranial random noise stimulation (tRNS), can enhance numerical cognition. Future research should explore individual differences and real-world applications for greater ecological validity.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology

Background:

  • Transcranial electrical stimulation (tES) is a non-invasive brain stimulation technique.
  • tES has shown effects on various cognitive functions, including numerical cognition.

Purpose of the Study:

  • To review the effects of tES on numerical cognition.
  • To discuss the applications of transcranial direct current stimulation (tDCS) and transcranial random noise stimulation (tRNS) in this domain.
  • To outline future research directions.

Main Methods:

  • Review of existing literature on tES and numerical cognition.
  • Focus on two prominent tES methods: tDCS and tRNS.
  • Assessment of tES applications for numerosity, magnitude representation, and arithmetic operations.

Main Results:

  • tES techniques like tDCS and tRNS show potential for enhancing numerical cognition.
  • Specific aspects of numerical cognition, such as numerosity and arithmetic, may be modulated by tES.
  • The review synthesizes current findings on tES and numerical abilities.

Conclusions:

  • Further research is needed to understand individual differences in response to tES.
  • Exploring tES in populations with numerical deficits is recommended.
  • Future studies should consider potential cognitive costs and enhance ecological validity.