Actively Recruiting
Effects of Brief Nature Exposure on Brain Functioning and Stress Reactivity
Led by National Institutes of Health (NIH) · Updated on 2026-04-02
20
Participants Needed
1
Research Sites
25 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This study is focused on understanding the impact of time spent in nature (relative to an urban control) on stress, neural, and cardiac functioning in people experiencing high levels of stress, depression, and anxiety.
CONDITIONS
Official Title
Effects of Brief Nature Exposure on Brain Functioning and Stress Reactivity
Who Can Participate
Eligibility Criteria
You may qualify if you...
- High perceived stress score (>27 on PSS-10) during screening
- Current or past depressive and anxiety disorders allowed
- Normal or corrected-to-normal vision
- Stable psychotropic medication regimen for more than 1 month if applicable
You will not qualify if you...
- Major medical conditions affecting the central nervous system (e.g., seizure disorders, multiple sclerosis, significant uncontrolled cardiovascular disease)
- Past or present neurological problems including seizures or head trauma causing neurological or cognitive issues
- Estimated IQ below 75 on the Test of Premorbid Functioning
- Current or past history of severe mental illness such as bipolar disorder, schizophrenia spectrum disorder, or substance use disorders
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
University of San Francisco California OR San Francisco VA Medical Center
San Francisco, California, United States, 94122
Actively Recruiting
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
1
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