119 "Healthy volunteers" clinical trials found.
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Technical Software Development on Ultra-Low Field MRI
The objective of this study is to develop and evaluate software techniques that promote the medical usefulness of a smaller, portable, low-field strength MRI. The ...Phase N/A
Non-Interventional
Accepts Healthy Volunteer
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Assessment of immunological and vascular dysfunction in neuropsychiatric post-acute sequelae of SARS-CoV-2 using TSPO PET and MRI
The purpose of this study is to develop brain imaging (PET/MRI) techniques to accurately assess immune system and blood vessel dysfunction in the brain ...Phase N/A Non-Interventional
Accepts Healthy Volunteer
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Simultaneous Multinuclear Magnetic Resonance Fingerprinting for Data Fusion of Quantitative Structural and Metabolic Imaging
The purpose of this study is to investigate a new method of magnetic resonance imaging (MRI) that could provide new information about the brain structure ...Phase N/A Non-Interventional
Accepts Healthy Volunteer
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Modulating movement intention via cortical stimulation in healthy subjects and patients with psychogenic movement disorders and non-epileptic seizures
The purpose of this protocol is to learn about movement intention and volition. To improve such knowledge, we will conduct sub-studies using multiple non-invasive methodologies ...Phase N/A
Interventional
Accepts Healthy Volunteer
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Neural Correlates of Active Avoidance Learning and Their Interactions with Fear Extinction Mechanisms in PTSD Patients
The purpose of this research study is to investigate how our brains form avoidance behaviors, extinguish fear, and how we decide between avoiding or facing ...Phase N/A Interventional
Accepts Healthy Volunteer
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Association between surrogates of arterial stiffness and urinary EDC in adolescents and young adults with Type 1 and Type 2 diabetes compared to age matched healthy adolescents
The purpose of this study is to see if there is a relationship between the levels of bisphenols and phthalates (chemicals you are exposed to ...Phase N/A Non-Interventional
Accepts Healthy Volunteer
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Brain Effects of Lifetime Racial/Ethnic Discrimination on the LC-NE Function and the Risk for Alzheimer's Disease
The purpose of our study is to understand how the effects of stress, induced by social factors such as racial discrimination, contribute to an increased ...Phase N/A Non-Interventional
Accepts Healthy Volunteer
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Evaluating Long COVID Patients with Persistent Respiratory Symptoms for Prothrombotic Immune Responses and Pulmonary Microvascular Thrombosis Using SPECT-CT Lung Perfusion Studies
The purpose of this research study is to understand why some patients have ongoing breathing problems even months after having COVID-19. This study will determine ...Phase N/A Non-Interventional
Accepts Healthy Volunteer
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In vivo insights of small vessel changes with age using ultra-small-superparamagnetic-iron-oxide (USPIO)-enhanced MRI
The purpose of this research study is to investigate a new magnetic resonance imaging (MRI) method that could provide new fundamental insights to a more ...Phase N/A Non-Interventional
Accepts Healthy Volunteer
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Neurobiology of Sensory Phenomena in Obsessive-Compulsive Disorder
The purpose of this study is to investigate brain functioning in patients with obsessive-compulsive disorder (OCD), their siblings, and healthy individuals who do not have ...Phase N/A Interventional
Accepts Healthy Volunteer
