Developing Methods for Assessing Mental Activity Using Human-Smartphone Interactions: Comparative Analysis of Activity Levels and Phase Patterns in General Mental Activities, Working Mental Activities, and Physical Activities

Hung-Hsun Chen   ^{1, 2} , PhD ;   Chen Lin   ³ , PhD ;   Hsiang-Chih Chang   ^{3, 4} , PhD ;   Jen-Ho Chang   ^{5, 6} , PhD ;   Hai-Hua Chuang   ^{7, 8, 9, 10} , MD, PhD ;   Yu-Hsuan Lin   ^{4, 11, 12} , MD, PhD

¹ Department of Mathematics, Fu Jen Catholic University, Taipei, Taiwan

² Program of Artificial intelligence and Information Security, Fu Jen Catholic University, Taipei, Taiwan

³ Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan

⁴ Institute of Population Health Sciences, National Health Research Institutes, Miaoli County, Taiwan

⁵ Institute of Ethnology, Academia Sinica, Taipei, Taiwan

⁶ Department of Psychology, National Taiwan University, Taipei, Taiwan

⁷ College of Medicine, Chang Gung University, Taoyuan, Taiwan

⁸ Department of Family Medicine, Chang Gung Memorial Hospital, Taoyuan, Taiwan

⁹ Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei, Taiwan

¹⁰ School of Medicine, National Tsing Hua University, Hsinchu, Taiwan

¹¹ Department of Psychiatry, National Taiwan University Hospital, Taipei, Taiwan

¹² Department of Psychiatry, College of Medicine, National Taiwan University, Taipei, Taiwan