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Table 3 RCTs for healthy volunteers

From: Application of transcranial direct current stimulation to psychiatric disorders: trends and perspectives

Author, Year N Arms tDCS protocol results
Meinzer, 2014 (Meinzer et al. 2014) 40 tDCS during learning sessions sham tDCS during learning sessions 5 consecutive days, 1 mA, 20 min, 35 cm2 Anode: Cp5 Cathode: right supraorbital region tDCS was significantly better in learning and recognition in new vocabularies and its benefit was maintained at one-week follow-up.
Martin, 2013 (Martin et al. 2013) 60 tDCS sham tDCS + CT tDCS + CT 10 sessions in 2 weeks, 2 mA, 30 min, 35 cm2 Anode: F3 Cathode: right deltoid muscle No significant difference on performance on the dual n-back task between tDCS + CT and sham tDCS + CT in post completion and follow-up.
  1. CT: cognitive training (adaptive dual n-back working memory training task)
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