Anxiety & Depression Association of America

Geolocation Positional System (GPS) Experience

Purpose

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.

Conditions

Emotions
Anhedonia
Depression

Eligibility

Eligible Ages: Between 18 Years and 50 Years
Eligible Genders: All
Accepts Healthy Volunteers: Yes

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 Design

Phase: N/A
Study Type: Interventional
Allocation: N/A
Intervention Model: Single Group Assignment
Primary Purpose: Basic Science
Masking: None (Open Label)

Arm Groups

Arm	Description	Assigned Intervention
Experimental Modifying Exploration	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.

Recruiting Locations

More Details

Status: Recruiting
Sponsor: University of Miami

Study Contact

Isabella C D'Ottone, BA
3052849555
icd30@miami.edu

Detailed Description

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.

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.