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Published on in Vol 28 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/101973, first published .
Person using smartphone with holographic displays of brain scan, heart rate, and sleep tracker.

Forecasting Next-Day Alcohol Craving in Individuals With Problematic Alcohol Use With Multimodal Data and a Tiny Recurrent Neural Network: Prospective Longitudinal Study

Forecasting Next-Day Alcohol Craving in Individuals With Problematic Alcohol Use With Multimodal Data and a Tiny Recurrent Neural Network: Prospective Longitudinal Study

Dongwon Lee   1 * , BS ;   Ji-Yoon Lee   2 * , PhD ;   Hyeonmin Lee   3 , MA ;   Mina Kwon   3 , PhD ;   Suyeon Song   3 , MA ;   Jeonghyun Yoon   4 ;   Young-Chul Jung   5, 6 , MD, PhD ;   Woo-Young Ahn   1, 3, 7 , PhD ;   Jung-Seok Choi   8 , MD, PhD

1 AI Institute, Seoul National University, Seoul, Republic of Korea

2 Center for Artificial Intelligence in Healthcare, Seoul National University Bundang Hospital, Seongnam, Gyeonggi-do, Republic of Korea

3 Department of Psychology, Seoul National University, Seoul, Republic of Korea

4 Blue Signum, Seoul, Republic of Korea

5 Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea

6 Department of Psychiatry, Yonsei University College of Medicine, Seoul, Republic of Korea

7 Department of Brain and Cognitive Sciences, Seoul National University, Seoul, Republic of Korea

8 Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea

*these authors contributed equally

Corresponding Author:

  • Jung-Seok Choi, MD, PhD
  • Department of Psychiatry
  • Samsung Medical Center, Sungkyunkwan University School of Medicine
  • 81 Irwon-ro, Gangnam-gu
  • Seoul 06351
  • Republic of Korea
  • Phone: 82 2-3410-3581
  • Fax: 82 2-3410-0050
  • Email: choijs73@skku.edu