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The Korea Advanced Institute of Science and Technology (KAIST)

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Figure 4. A mathematical algorithm was devised to circumvent the problems of estimating the phase of the brain's biological clock and sleep stages inversely from the biodata collected by a smartwatch. This algorithm can estimate the degree of daily circadian rhythm disruption, and this estimate can be used as a digital biomarker to predict depression symptoms.

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KAIST Theoretical and Computational Brain Science Lab

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