Abstract
The lack of social activities in the elderly for physical reasons can make them feel lonely and prone to depression. With the spread of COVID-19, it is difficult for the elderly to conduct the few social activities stably, causing the elderly to be more lonely. The metaverse is a virtual world that mirrors reality. It allows the elderly to get rid of the constraints of reality and perform social activities stably and continuously, providing new ideas for alleviating the loneliness of the elderly. Through the analysis of the needs of the elderly, a virtual social center framework for the elderly was proposed in this study. Besides, a prototype system was designed according to the framework. The elderly can socialize in virtual reality with metaverse-related technologies and human-computer interaction tools. Additionally, a test was jointly conducted with the chief physician of the geriatric rehabilitation department of a tertiary hospital. The results demonstrated that the mental state of the elderly who had used the virtual social center was significantly better than that of the elderly who had not used it. Thus, virtual social centers alleviated loneliness and depression in older adults. Virtual social centers can help the elderly relieve loneliness and depression when the global epidemic is normalizing and the population is aging. Hence, they have promotion value
Keywords: The elderly, loneliness and depression, metaverse, virtual social center, HCI
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