Tsukuba International University

Relationship between objective sleep efficiency and psychological distress in middle-aged and older Japanese: Results by work in the Shika study

Sleep quality and work, as factors related to psychological distress, have not yet been elucidated. Additionally, few studies have examined the association between sleep efficiency and psychological distress, which may affect psychological distress in middle-aged and older adults...

A Scalable Hyperparameter-Guided Synchronization Framework for Population-Informed Trajectory Generation

The rapid adoption of location-aware devices, such as smartphones, smartwatches, in-vehicle navigation systems, and asset-tracking tags, has resulted in massive volumes of spatio-temporal trajectory data. This data drives a wide range of commercial, transportation, and government...

Artificial hibernation reveals synaptic engram architecture associated with memory retention

Memories leave lasting physical changes at the synaptic level. Although stable, larger spines are thought to support memory, the high turnover of dendritic spines and the drifting of neuronal representations after memory formation suggest alternative possibilities. To elucidate t...

Associations of Happiness, Ikigai, and Enjoyment of Daily Life with Frequency of Forest Walking in a Japanese General Population: The Japan Multi-Institutional Collaborative Cohort Daiko Study

A number of studies have examined the acute effects of shinrin-yoku (forest bathing), or forest walking; however, only a limited number of epidemiological studies have examined the association between habitual forest walking and daily health. The aim of this study was to examine...