Trends of tDCS Research in India: A Bibliometric Analysis

Transcranial Direct Current Stimulation (tDCS) is a noninvasive technique of neuromodulation used in the treatment of various psychiatric and neurological conditions. This bibliometric analysis aimed to comprehensively capture the trends in tDCS research with India as the affiliation country.

A bibliometric analysis was conducted. Data for studies conducted on tDCS in India were extracted using Scopus from January 1, 2011, to March 27, 2025. Articles were analyzed for publication count, citation trends, institutional affiliations, contributing authors, and the journals in which they were published.

The findings indicate a growing number of studies being published on tDCS in India. The maximum number of articles was original research studies, followed by review articles. The Asian Journal of Psychiatry and the Indian Journal of Psychiatry were the leading journals that published articles on tDCS. NIMHANS (Bangalore), AIIMS (Delhi), and King George's Medical University (KGMU) (Lucknow) were the institutes with the highest number of publications on the subject matter.

There is a rise in tDCS research; however, a discrepancy exists between the number of articles being published in various parts of the country. An inter-institutional collaboration is suggested to promote further research and provide a comprehensive understanding of the clinical applicability and standardized procedures for tDCS administration in various psychiatric and neurological conditions.