Journal
JOURNAL OF PERSONALIZED MEDICINE
Volume 12, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/jpm12010011
Keywords
mild cognitive impairment; Alzheimer's disease; nonwearable sensor-based in-home assessment; daily behavior; digital technologies
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Recent studies have focused on using digital technologies, such as wearable and nonwearable sensor-based assessment, to evaluate daily behavioral changes in patients with mild cognitive impairment (MCI) and Alzheimer's disease (AD). Digital technologies provide more objective, quantitative, and realistic evidence of altered daily behavioral patterns compared to traditional assessments. This review highlights the usefulness of nonwearable sensor-based in-home assessment as early biomarkers for MCI and AD.
Patients show subtle changes in daily behavioral patterns, revealed by traditional assessments (e.g., performance- or questionnaire-based assessments) even in the early stage of Alzheimer's disease (AD; i.e., the mild cognitive impairment (MCI) stage). An increase in studies on the assessment of daily behavioral changes in patients with MCI and AD using digital technologies (e.g., wearable and nonwearable sensor-based assessment) has been noted in recent years. In addition, more objective, quantitative, and realistic evidence of altered daily behavioral patterns in patients with MCI and AD has been provided by digital technologies rather than traditional assessments. Therefore, this study hypothesized that the assessment of daily behavioral changes with digital technologies can replace or assist traditional assessment methods for early MCI and AD detection. In this review, we focused on research using nonwearable sensor-based in-home assessment. Previous studies on the assessment of behavioral changes in MCI and AD using traditional performance- or questionnaire-based assessments are first described. Next, an overview of previous studies on the assessment of behavioral changes in MCI and AD using nonwearable sensor-based in-home assessment is provided. Finally, the usefulness and problems of nonwearable sensor-based in-home assessment for early MCI and AD detection are discussed. In conclusion, this review stresses that subtle changes in daily behavioral patterns detected by nonwearable sensor-based in-home assessment can be early MCI and AD biomarkers.
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