Unique very low-frequency heart rate variability during deep sleep in humans. - Fumiharu Togo; Ken Kiyono; Zbigniew R. Struzik; Yoshiharu Yamamoto (IEEE Trans. Biomed. Eng., 2006)

A Practical Guide to Analyzing Time-Varying Associations between Physical Activity and Affect Using Multilevel Modeling. - Jinhyuk Kim; David Marcusson-Clavertz; Fumiharu Togo; Hyuntae Park (Comput. Math. Methods Medicine, 2018)

A Pilot Study of Temporal Associations Between Psychological Stress and Cardiovascular Response. - Jinhyuk Kim; Taiga Murata; Jerome Clifford Foo; Bappi Md Azmol Hossain; Fumiharu Togo (EMBC, 2021)