Author

Kenji Nakamura

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Open access Aug 2026

Age-Group Differences in the Temporal Structure of Speech and Forehead total-Hb Responses During a Phonemic Verbal Fluency Task: A Comparison of Adults in Their 40s and 70s

In populations with well-preserved cognitive function, cognitive screening total scores tend to cluster near the ceiling, making it difficult to characterize age-group differences from total scores alone. We compared the temporal structure of word production, acoustic features, and the magnitude and timing of forehead...

Kenji Nakamura · bioRxiv · 0 citations

Open access Aug 2026

Digital twin–supported behavioral intention in mothers of young children to prevent childhood obesity: a large language model–based intervention study

A precision-preventive intervention integrating a childhood-overweight digital twin with an empathic, supervised-fine-tuned open-source nutrition-guidance large language model demonstrated preliminary operational feasibility and acceptability and was associated with high self-reported behavioral intention.

Kenji Nakamura, G. Shinoda, A. Noda et al. · Frontiers in Artificial Inte... · 0 citations