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Can Exogenous Ketone Supplementation Compensate for Glucose Hypometabolism and Improve Cognitive Processing Speed in Veterans With Prediabetes?
Brief Summary The goal of this clinical trial is to learn whether older adults with prediabetes, but no diagnosed cognitive impairment, show early changes in …
A Repository to Study Host-Microbiome Interactions in Health and Disease
Background: The microbiome is the bacteria and other microorganisms that live inside and on the body. The microbiome is important for our health. Researchers …
Affect-based Impulsivity in Borderline Personality Disorder: Developing a Neurocomputational Phenotype
The purpose of this research study is to investigate how personality traits and neuroendocrine systems relate to decision-making patterns in individuals 18-45 …
Safety and Tolerability Study of VVZ-2471 in Healthy Volunteers
The goal of this study is to do follow-up safety testing and how well people are able tolerate an experimental (not FDA approved) medication . This study is se…
Opioid Use Disorder and Pain
The goal of this observational study is to characterize the brain processes of pain avoidance learning dysfunctions in individuals with opioid use disorder (OU…
Neural Mechanisms of Light Driven Analgesia
The goal of this study will be to understand the biological mechanisms that are responsible to light-driven analgesia. Light presented to the retina has been s…
Mechanisms by Which HA35 Regulates Muscle Protein Homeostasis in Healthy Controls
Eligible subjects will be asked to take a placebo/treatment capsule for a total of 3 days and then participate in a study visit on the fourth day. This study v…
Evaluation of Ultralow Dose PET Imaging for Detecting SSTR2 Radiotracer Uptake
The goal of this clinical trial is to evaluate an investigational ultralow dose positron emission tomography (PET) imaging technique for neuroendocrine tumor d…
Subthreshold Vestibular Stimulation as a Strategy for Rehabilitation
The nervous system responds to changes in external or internal conditions by altering the behavior of neurons through multiple forms of neural plasticity. A sp…
Decoding Emotional Dynamics Driving Mood Instability in Bipolar Disorder
The goal of this neuroimaging study is to investigate how emotional states fluctuate in people with bipolar disorder (BD) compared to healthy controls, and to …
Elucidating the Role of Cholinergic Degeneration in Cognitive Fluctuations in Lewy Body Dementia
The proposed study aims to address the critical gaps in understanding the mechanisms of CF (Cognitive Fluctuations) by leveraging recently emerged molecular bi…
Dose-Dependent Functional Connectivity Effects of Low-Intensity Focused Ultrasound Applied to Deep White Matter Tracts in Humans
Low-intensity focused ultrasound (LIFU) has emerged as a tool to modulate the activity of deep brain structures noninvasively and reversibly, with anatomical p…