AUTHOR=Ma Shenhong , Zhuang Weisheng , Wang Xu , Zhang Di , Wang Heling , Han Qiaohua , Ding Qixin , Li Yuefang , Li Wanyue , Li Tianshu TITLE=Efficacy of transcranial direct current stimulation on cognitive function in patients with Parkinson's disease: a systematic review and meta-analysis JOURNAL=Frontiers in Aging Neuroscience VOLUME=Volume 17 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2025.1495492 DOI=10.3389/fnagi.2025.1495492 ISSN=1663-4365