Can your phone predict memory decline? new study tracks stress and thinking in seniors
NCT ID NCT07485387
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study watches how daily emotional stress impacts memory and thinking in adults aged 60 and older living in Seoul, Korea. Participants use a smartphone app to report their feelings and do quick brain games, wear a smartwatch, and give blood samples. Researchers will check in after 6 months and 1 year to see how stress and social connections relate to cognitive changes.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 180 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2025
- Expected to finish
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Dec 2037
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
This study targets community-dwelling older adults aged 60 and older in Seoul, Republic of Korea. Participants are recruited from the Seongbuk Senior Welfare Center and Gangbuk Municipal Senior Welfare Center. Seongbuk-gu and Gangbuk-gu are districts with higher proportions of older adults and elevated chronic disease rates compared to other areas in Seoul, making them regions of interest for aging research. The study population includes older adults living independently in the community who utilize local senior welfare center services. By recruiting from these districts, the study aims to generate evidence for developing effective dementia prevention strategies applicable to community-based settings in Korea. Participants must be Samsung Galaxy smartphone users with sufficient cognitive ability to engage with ecological momentary assessment (EMA) protocols. Exclusions: dementia diagnosis, severe sensory impairments, or health conditions preventing participation.
- Ages
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60 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged 60 or older residing in the Republic of Korea * Samsung Galaxy smartphone users capable of using smartphone applications * Sufficient cognitive ability to understand and follow research instructions (MMSE score of 21 or above) * For individuals who do not meet the cognitive criteria, those who understand the study procedures and provide informed consent along with their legal guardian Exclusion Criteria: * Diagnosis of dementia at baseline * Severe visual or hearing impairments that prevent participation in psychological assessments * Illiteracy that prevents participation in cognitive testing * Less than 80% compliance with the 2-day preliminary EMA protocol (one additional attempt allowed after re-training) * Current alcohol or substance abuse * Inability to ambulate or psychiatric conditions that prevent survey participation * Currently undergoing cancer treatment or received chemotherapy within the past 6 months
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Korea University
RECRUITINGSeoul, Select One..., 02841, South Korea
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