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TRUVACE RECORD VERSION
record: TRV-2026-2591
version: 1
kind: certified
reason: Certified into the record
timestamp: 2026-11-12T07:59:19.776874Z
status: published
lens: g_space
sector: health
headline: The Effects of Social Presence of Dementia-Prevention Chatbot on Isolation and Interpersonal Resilience Among Older Adults Living Alone: Evidence on Three-Wave Experiment
dek: Dementia-prevention technologies have mostly focused on cognitive enhancement, often neglecting the social aspects of healthy aging. This study examines whether the perceived social presence of a dementia-prevention chatbot, developed through sustained use, can reduce isolation and strengthen interpersonal resilience through communication networks among older adults living alone in Korea. A three-wave experimental design ( N = 110) was implemented over 8 weeks using a smartphone-based chatbot that engaged partic…
gain_title: In an 8-week experiment with 110 older adults living alone in Korea, those who felt a dementia-prevention chatbot was more socially present at the midpoint showed greater interpersonal resilience, both at that time and later.
problem_title: (none)
trace_subject: (none)
gain_reading: In an 8-week experiment with 110 older adults living alone in Korea, those who felt a dementia-prevention chatbot was more socially present at the midpoint showed greater interpersonal resilience, both at that time and later.
gain_evidence: perceived social presence of the chatbot at the midpoint significantly predicted greater interpersonal resilience both cross-sectionally and longitudinally
problem_reading: (none)
problem_evidence: (none)
quick_read: A three-wave experiment over 8 weeks with 110 older adults living alone in Korea tested a smartphone dementia-prevention chatbot. The more socially present participants found it at the midpoint, the greater their interpersonal resilience, both at that point and in later measurement.

The chatbot did not reduce isolation: its effects on isolation were nonsignificant. The researchers read this as the chatbot working through an indirect social pathway, strengthening communicative resilience and possibly helping reactivate relationships with other people.

Most dementia-prevention technology has focused on cognitive enhancement and neglected social aspects of healthy aging. This study looks at that gap, though it covers one country, a modest sample and an 8-week window.
limitation: The chatbot's perceived social presence did not significantly affect isolation, so the benefit is limited to interpersonal resilience and does not show reduced loneliness.
tag: Evidence-backed gain
key_points: The study used a three-wave experimental design with 110 older adults living alone in Korea. | It ran for 8 weeks using a smartphone-based chatbot. | The chatbot offered conversational cognitive games, health routine diaries and social interaction prompts. | Perceived social presence at the midpoint predicted greater interpersonal resilience cross-sectionally and longitudinally. | Effects on isolation were nonsignificant. | The authors describe the chatbot as an indirect social pathway that may help reactivate interpersonal relationships.
rundown: Researchers recruited 110 older adults living alone in Korea and followed them across three waves over 8 weeks. Participants used a smartphone chatbot that combined conversational cognitive games, health routine diaries and prompts to interact socially.

The key measure was perceived social presence, the sense that the chatbot was a social entity, which developed through sustained use. At the midpoint it significantly predicted interpersonal resilience, both in the same wave and in later measurement.

Isolation did not move in response to social presence. The authors conclude that the chatbot does not alleviate isolation but extends to interpersonal resources by reinforcing communicative resilience, which may support renewed contact with other people.
sources:
- peer_reviewed | Cyberpsychology, Behavior, and Social Networking | https://doi.org/10.1177/21522715261453464 | 2026-05-26
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