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Related Experiment Video

Updated: Jun 10, 2026

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement
10:37

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

Published on: September 18, 2021

Visual memory improved by non-invasive brain stimulation.

Richard P Chi1, Felipe Fregni, Allan W Snyder

  • 1Centre for the Mind, Main Quadrangle (A14), University of Sydney, NSW 2006, Australia.

Brain Research
|August 5, 2010
PubMed
Summary
This summary is machine-generated.

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Non-invasive brain stimulation using transcranial direct current stimulation (tDCS) can enhance visual memory. Specifically, bilateral stimulation of the anterior temporal lobes improved visual memory by 110% in neurotypical individuals.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Brain Stimulation

Background:

  • Visual memories are prone to errors.
  • Individuals with a more literal cognitive style exhibit greater accuracy in visual recall.
  • This suggests a potential link between cognitive style and visual memory fidelity.

Purpose of the Study:

  • To investigate if non-invasive brain stimulation can improve visual memory in neurotypical individuals.
  • To explore the effects of bilateral transcranial direct current stimulation (tDCS) on the anterior temporal lobes.
  • To determine the optimal stimulation polarity for enhancing visual memory.

Main Methods:

  • 13 minutes of bilateral transcranial direct current stimulation (tDCS) applied to the anterior temporal lobes.

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Last Updated: Jun 10, 2026

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement
10:37

Transcranial Direct Current Stimulation (tDCS) for Memory Enhancement

Published on: September 18, 2021

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke
08:53

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke

Published on: June 6, 2025

  • Three conditions were tested: left cathodal/right anodal, left anodal/right cathodal, and sham stimulation.
  • Each condition involved 12 neurotypical participants.

    • Main Results:

    • Left cathodal and right anodal stimulation significantly improved visual memory by 110%.
    • This enhancement level was comparable to the advantage observed in individuals with autism.
    • Stimulation with the opposite polarity (left anodal/right cathodal) did not yield any memory improvement.

    Conclusions:

    • Bilateral tDCS of the anterior temporal lobes can effectively enhance visual memory in healthy individuals.
    • The specific polarity of left cathodal and right anodal stimulation is crucial for this memory enhancement.
    • This study provides the first evidence for non-invasive brain stimulation-induced visual memory improvement in healthy populations.