Creative Boost: Unleashing Creativity using tDCS in Japan

Our aim was to explore cultural differences in creativity by examining the role of the lIFG using tDCS. We hypothesized that inhibition of the lIFG using cathodal stimulation will enhance creativity by decreasing evaluation stringency.

We compared Israeli and Japanese students on their creativity level. Creativity was measured by AUT (Guilford, 1978). Evaluation was measured by a new task; evaluating the appropriateness of ideas generated by others. Israelis were more creative and evaluated others’ ideas as more appropriate compared to Japanese.

Then, we recruited 30 Japanese students and divided them into two groups (Anodal/Cathodal). Each participant underwent the experiment twice: under stimulation and under sham.

Significant differences were found in both tasks: Anodal stimulation decreased creativity and the rating of appropriateness compared to sham, while Cathodal stimulation increased both, indicating less stringent evaluation.

Thus, temporary inhibition of the evaluation network may influence creativity.

Author Information
Tal Ivancovsky, University of Haifa, Israel Jenny Kurman, University of Haifa, Israel Hiroaki Morio, Kansai University, Japan Simone Shamay Tsoory, University of Haifa, Israel

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Added on Wednesday, July 27th, 2016

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