A Personalized Voice-Based Diet Assistant for Caregivers of Alzheimer Disease and Related Dementias: System Development and Validation

被引:23
作者
Li, Juan [1 ]
Maharjan, Bikesh [1 ]
Xie, Bo [2 ]
Tao, Cui [3 ]
机构
[1] North Dakota State Univ, Fargo, ND USA
[2] Univ Texas Austin, Austin, TX 78712 USA
[3] Univ Texas Hlth Sci Ctr Houston, 7000 Fannin St Suite 600, Houston, TX 77030 USA
基金
美国国家科学基金会;
关键词
Alzheimer disease; dementia; diet; knowledge; ontology; voice assistant;
D O I
10.2196/19897
中图分类号
R19 [保健组织与事业(卫生事业管理)];
学科分类号
摘要
Background: The world's aging population is increasing, with an expected increase in the prevalence of Alzheimer disease and related dementias (ADRD). Proper nutrition and good eating behavior show promise for preventing and slowing the progression of ADRD and consequently improving patients with ADRD's health status and quality of life. Most ADRD care is provided by informal caregivers, so assisting caregivers to manage patients with ADRD's diet is important. Objective: This study aims to design, develop, and test an artificial intelligence-powered voice assistant to help informal caregivers manage the daily diet of patients with ADRD and learn food and nutrition-related knowledge. Methods: The voice assistant is being implemented in several steps: construction of a comprehensive knowledge base with ontologies that define ADRD diet care and user profiles, and is extended with external knowledge graphs; management of conversation between users and the voice assistant; personalized ADRD diet services provided through a semantics-based knowledge graph search and reasoning engine; and system evaluation in use cases with additional qualitative evaluations. Results: A prototype voice assistant was evaluated in the lab using various use cases. Preliminary qualitative test results demonstrate reasonable rates of dialogue success and recommendation correctness. Conclusions: The voice assistant provides a natural, interactive interface for users, and it does not require the user to have a technical background, which may facilitate senior caregivers' use in their daily care tasks. This study suggests the feasibility of using the intelligent voice assistant to help caregivers manage patients with ADRD's diet.
引用
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页数:11
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