An interventional study of Modifying Exploration in Emotions, Anhedonia and Depression, sponsored by University of Miami. Recruiting at 1 site in United States. Open to participants aged 18 Years to 50 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-09-30.
Sponsored by University of Miami · Not applicable, Interventional, and Basic science
The purpose of this study is to use smartphone technology to capture individual location emotional and cognitive data, to examine how real-world behaviors thoughts, emotions, and brain activity are related to one another.
The observational portion of this study was initially approved in 2015, this is a subset of the initially approved study and it is a clinical trial of 100 participants.
Exclusion Criteria:
Individuals will be asked on certain days to increase their levels of exploration, and some days be asked to decrease their levels of exploration. Participants will do this for up to six months.
Behavioral: Modifying Exploration
Participants in this group will use a mobile phone sensor data application that uses an accelerometer, Wireless Fidelity (WiFi) and/or GPS designed for smartphone devices. This technology allows the phones to capture information automatically and passively on the participant's activity. The application will be collecting participants' data 24 hours a day, 7 days a week. Participants will be asked to make alterations to their exploration levels approximately 20 days of their participation in the study.
Change in positive emotional response as measured by ecological momentary assessment
Emotional response will be measured by computing a total mean score of "happy", "excited", "content", "attentive", "relaxed". The total mean score ranges from 0 to 100, with higher scores indicating greater positive emotional response.
Time frame: Baseline, up to 6 months
Change in negative emotional response as measured by ecological momentary assessment
Emotional response will be measured by computing a total mean score of "sad", "tired", "upset", "irritable", "anxious". The total mean score ranges from 0 to 100, with higher scores indicating greater negative emotional response.
Time frame: Baseline, up to 6 months
Plan to share: No
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