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Updated: Feb 27, 2026
Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
Published on: July 13, 2019
The effect of bilateral transcranial direct current stimulation on early auditory processing in schizophrenia: a
Walter Dunn1,2,3, Yuri Rassovsky4,5, Jonathan Wynn6,4
1Department of Veterans Affairs VISN-22 Mental Illness Research, Education and Clinical Center, Los Angeles, CA, USA. wdunn@mednet.ucla.edu.
Abstract:
Transcranial direct current stimulation (tDCS) was applied bilaterally over the auditory cortex in 12 schizophrenia patients to modulate early auditory processing. Performance on a tone discrimination task (tone-matching task-TMT) and auditory mismatch negativity were assessed after counterbalanced anodal, cathodal, and sham tDCS. Cathodal stimulation improved TMT performance (p < 0.03) compared to sham condition. Post-hoc analyses revealed a stimulation condition by negative symptom interaction in which greater negative symptoms were associated with a better TMT performance after anodal tDCS.
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