Wearable Computing Technology for Assessment of Cognitive Functioning of Bipolar Patients and ...
summary
Smartwatch app UbiCAT runs three brief cognitive tests three times daily for seven days and collects passive sensors; study yields 76 daily observations. UbiCAT shows concurrent validity with standard neuropsychological tests and works in the wild across sitting, standing, and walking. Bipolar participants show longer response times and lower alertness; sleep duration predicts better working memory the next day. Feature set (time in bed, awakenings, step count, accuracy, RTs) classifies diagnosis with KNN ~74% accuracy.
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