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Published on in Vol 14 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/81301, first published .
Assessing Mental Health and Emotional States by Using Smartphone Photoplethysmography–Based Digital Pulse Waveform Analysis: Cross-Sectional Observational Study

Assessing Mental Health and Emotional States by Using Smartphone Photoplethysmography–Based Digital Pulse Waveform Analysis: Cross-Sectional Observational Study

Assessing Mental Health and Emotional States by Using Smartphone Photoplethysmography–Based Digital Pulse Waveform Analysis: Cross-Sectional Observational Study

Ivan Liu   1, 2, 3 , DPhil ;   Luming Hu   1, 2, 3 , DPhil ;   Jing Luo   3 , MSc ;   Chang Liu   2 , BS ;   Qi Zhong   3 , MSc ;   Shiguang Ni   4 , DPhil

1 Bay Area School of Applied Psychological Sciences, Beijing Normal University, Zhuhai, Guangdong, China

2 Department of Psychology, Faculty of Arts and Sciences, Beijing Normal University, Zhuhai, Guangdong, China

3 Faculty of Psychology, Beijing Normal University, Beijing, China

4 Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong, China

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