Differential working memory changes following methylphenidate in medication‐naive and medication‐experienced adults with ADHD. - Shimizu, Masaaki; Takagi, Shunsuke; Aoki, Ryuta; Itahashi, Takashi; Shikauchi, Yumi; Nakamura, Hironobu; Sugihara, Genichi; Takahashi, Hidehiko; Nakamura, Motoaki (Psychiatry & Clinical Neurosciences Reports, 2026)