National Institute Of Mental Health (nimh)

This study aims to understand what happens in the brain when someone thinks about or attempts suicide. Researchers will use brain scans, sleep tests, and blood work to compare four groups: people who recently had suicidal thoughts or attempts, those with past thoughts, people wit…

This study follows healthy boys and girls from age 8 to 17 to see how hormones and brain changes happen during puberty. Researchers use brain scans, hormone tests, and thinking tasks to understand normal development. The goal is to learn why some mental health conditions like dep…

This study follows up with 1000 adults who previously took part in mood disorder research at the National Institute of Mental Health. Participants fill out online surveys and may have a phone interview about their current symptoms and treatments. The goal is to understand the lon…

This study aims to recruit 2,000 healthy adults aged 18-70 for future research at the National Institute of Mental Health. Volunteers complete online surveys, in-person interviews, physical exams, and optional brain scans. Their de-identified data will be shared with other scient…

This study is looking at whether a special PET scan can detect brain inflammation in people who have long-term brain symptoms after COVID-19, like headaches, memory problems, or depression. Researchers will compare scans from 60 adults (ages 18-70) with long COVID to healthy volu…

This study looks at how negative feelings like stress, pain, or hunger change the way people make decisions. Healthy adults aged 18 to 55 will experience short emotional stressors (like watching a sad video or putting a hand in ice water) and then perform computer tasks while the…

This study uses brain scans (fMRI) to see how blood flow changes in the brain when healthy adults perform tasks involving vision, recognition, and memory. Researchers aim to understand which brain areas are active during these tasks. About 4,100 healthy volunteers aged 18 to 65 w…