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Geolocation Positional System (GPS) Experience

Individual Differences in Emotional and Behavioral Patterns and Their Relationship to Cognition

Who can join

As published by the study on ClinicalTrials.gov. "Not stated" means the study hasn't said — ask the study team.

Age
18 Years to 50 Years
Sex
All sexes
Healthy volunteers
Accepted
Compensation
Not stated

Other requirements are listed under Eligibility below. Only the study team can confirm whether you can join.

What to expect

No one can promise a trial will help you personally — that is what the research is trying to find out.

What participation involves

Not stated in the study description — ask the study team about visits and procedures.

Compensation
Not stated
  • Study-related exams and procedures are typically provided at no cost. This is how many trials work in general — confirm the details for this study with the study team.
  • Participants are monitored closely by the research team throughout the study.
  • Some participants may receive access to an investigational treatment, which is still being studied.
  • Your participation helps researchers learn whether this approach could help future patients.

About this study

In plain language

This study uses smartphones to track location, thoughts, and feelings to learn how they relate to daily behavior and brain activity. It is for people who agree to a brain scan, answer daily text messages, and use a GPS tracking app for four months.

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.

Compensation is read from the study's own description and may be missing — always confirm with the study team.

Eligibility

Who can join

  • Agree to take part after learning about the study.
  • Be willing to have an fMRI scan, which measures brain activity.
  • Be able to receive and answer daily text messages about your feelings.
  • Be willing to download and run the FollowMee GPS location tracking app on your smartphone for four months.

Who can't join

  • Have a history of head injury, seizures, or disorders of the brain or nerves.
  • Have a serious or unstable medical condition.
  • Have a condition that prevents an MRI scan.
  • Are pregnant.
  • Have ever had a psychotic disorder, which can affect your sense of reality, or bipolar disorder, which causes major mood changes.
  • Have long-term or severe problems with drug or alcohol misuse or dependence.
  • Take antipsychotic medicine, which treats symptoms such as seeing or hearing things that are not there.

Simplified for readability. The official criteria below are what the study team uses.

Official eligibility criteria

Inclusion Criteria: * Must agree to give informed consent * Must be willing to have an functional Magnetic Resonance Imaging (FMRI) scan * Must be able to receive and respond to daily text messages assessing current emotion * Must be willing to download and run a GPS tracking application (FollowMee) onto their smartphone for a four-month period Exclusion Criteria: * history of head trauma, seizures, or neurological disorders * severe/unstable medical conditions * conditions that interfere with MRI * pregnancy * lifetime psychotic/bipolar disorder * chronic/severe substance or alcohol abuse/dependence * antipsychotic medication

Study sites (1)

FL