Clinical trials: fMRI
Social Acceptance
An fMRI Study of Opioid-related Changes in Neural Activity
The purpose of the study is to explore the effect of blocking opioids on affiliation-related neural activity.
- Trial name
- NCT02818036
- Testing
- Naltrexone
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Tristen Inagaki
Nicotine Addiction
Acute and Chronic Nicotine Modulation of Reinforcement Learning
The purpose of this study is to use functional magnetic resonance imaging (fMRI) to investigate the acute and chronic effects of nicotine on motivational behavior and prediction error-related neural activation.
- Trial name
- NicLearning (NCT01830842)
- Testing
- Nicotine polacrilex, satiety, abstinence
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Duke University
Menopause, Brain Activity
LDX and Functional Magnetic Resonance Imaging (fMRI in Menopausal Women
This study seeks to assess the effects of lisdexamfetamine (trademark name: Vyvanse; LDX) on executive function and prefrontal cortex activation in menopausal women ages 45-57, who report subjective cognitive difficulties.
- Conditions
- Menopause, Brain Activity, Cognition
- Trial name
- NCT01977625
- Testing
- Lisdexamfetamine
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Attention Deficit Hyperactivity Disorder, ADHD
Imaging Stimulant and Non Stimulant Treatments for ADHD: A Network Based Approach
The growing number of medications used to treat attention-deficit/hyperactivity disorder (ADHD) raises important questions about whether different medications have similar or different therapeutic mechanisms of action.
- Trial name
- NCT01678209
- Testing
- fMRI scans, Atomoxetine arm, Methylphenidate arm
- Where
- United States
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Bipolar Disorder
FMRI Study of Brain Response Before and After Lithium Treatment in People With Bipolar Disorder
This study will assess the effects of bipolar disorder on brain activity and will determine if medication changes the brain activity in people with bipolar disorder.
- Trial name
- NCT00596622
- Testing
- Lithium
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Indiana University
Concussion, Mild, Post-Concussion Symptoms
Effects of Bright Light Therapy in Mild Traumatic Brain Injury
Mild traumatic brain injuries (mTBI) or "concussions" are an increasingly prevalent injury in our society. Patients with post-concussion syndrome have been shown to have deficits on tests of short term memory, divided attention…
- Conditions
- Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
- Trial name
- NCT01747811
- Testing
- wavelength-1 bright light, wavelength-2 bright light
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Substance-Related Disorders
Functional Magnetic Resonance Imaging of Opioid Withdrawal in Healthy Human Volunteers
Opioid medications are commonly used for pain relief. When given over time, physical dependence can occur. This results in unpleasant side effects--such as agitation and nausea--if opioid medications are suddenly stopped.
- Trial name
- NCT01006707
- Testing
- Ondansetron
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Stanford University
Alcohol Abuse
Sex Differences in Risk for Alcohol Abuse
This study will determine the neural and hormonal mechanisms underlying sex differences in sensitivity to the disinhibiting effects of alcohol in heavy drinkers.
- Trial name
- NCT04543942
- Testing
- Alcohol, Saline
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Mark Fillmore
Changes in Brain Network Connectivity
Anesthesia and Functional Connectivity: An Analysis of fMRI Changes
Functional connectivity is defined as a correlation in neural activity between distinct regions of the brain. Several recent studies have demonstrated areas of low-frequency functional connectivity inherent to brain tissue at…
- Trial name
- NCT02196259
- Testing
- Anesthetics, Dissociative
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Depression
fMRI Studies of Emotional Brain Circuitry in People With Major Depression
This study will examine activation of a brain circuit that regulates emotion in depressed patients before and after treatment to see which areas of the brain are involved in chronic depression.
- Trial name
- NCT00749125
- Testing
- Lexapro
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Healthy
Brain State-dependent Stimulation to Improve Movement
Repetitive transcranial magnetic stimulation (rTMS) is a powerful tool to non-invasively modulate brain circuits, brain plasticity, and behavior.
- Trial name
- BrainSTIM (NCT05103176)
- Testing
- TMS, Object directed grasping
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Diabetes Mellitus, Type 2, Glucose, High Blood
Use of Functional MRI to Assess Functional Hypothalamic Activation in Response to Diazoxide
The goal of this study is to determine whether metabolic control centers in the brain can be activated in patients with type 2 diabetes (T2D) as compared to non-diabetic individuals.
- Conditions
- Diabetes Mellitus, Type 2, Glucose, High Blood, Glucose Metabolism Disorders (Including Diabetes Mellitus)
- Trial name
- NCT03566511
- Testing
- Diazoxide
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Meredith Hawkins
Concussion, Mild, Post-Concussion Symptoms
Bright Light Therapy for Treatment of Sleep Problems Following Mild Traumatic Brain Injury
The purpose of the research study is to understand the effectiveness of a six-week course of light exposure on cognitive functioning, mood, activity, and sleep in people that have suffered a head injury leading to a concussion.
- Conditions
- Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
- Trial name
- NCT02374918
- Testing
- mTBI wavelength-1 bright light, mTBI wavelength-2 bright light, HC wavelength-1 bright light
- Where
- United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Schizophrenia
The Effects of tDCS on the Neuronal Mechanisms of Cognitive Control in Schizophrenia
The purpose of this study is to better understand the neural correlates of cognitive control (CC) deficits in schizophrenia and determine how these mechanisms can be modulated by transcranial direct current stimulation (tDCS).
- Trial name
- NCT03077347
- Testing
- Transcranial Direct Current Stimulation
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Eating Disorders
An fMRI Study of Self-regulation in Adolescents With Bulimia Nervosa
The aim of this project is to use both multimodal MRI and behavioral measures to investigate how changes in frontostriatal neural systems contribute to the development and persistence of Bulimia Nervosa (BN).
- Trial name
- NCT00345943
- Testing
- MRI, Neuropsychological Testing
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- New York State Psychiatric Institute
Marijuana Dependence
Baclofen Effects on Marijuana Dependence
Studies show that certain reminders of drug use such as the sight of someone using marijuana, pictures of blunts, particular moments throughout the day, prompt marijuana users to smoke marijuana.
- Trial name
- NCT02011516
- Testing
- Baclofen, Psychosocial
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Ischemic Stroke
Transcranial Direct Current Stimulation (tDCS)-Enhanced Stroke Recovery
The purpose is to determine whether application of a non-invasive battery powered device called transcranial direct current stimulation (tDCS) can improve recovery of hand weakness after stroke beyond what is achievable with…
- Trial name
- NCT01007136
- Testing
- tDCS
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Nicotine Dependence
Effects of Varenicline on Brain Activity During Nicotine Abstinence
This project aims to define mechanisms through which varenicline might be an effective smoking cessation medication.
- Trial name
- NCT00602927
- Testing
- Varenicline
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Schizophrenia
The Effects of Aripiprazole on the Processing of Rewards in Schizophrenia
The objective of this study is to determine whether subjects with negative symptoms of schizophrenia have abnormal functioning of brain circuits relevant to reward processing, and to determine whether any such abnormalities are…
- Trial name
- NCT00209027
- Testing
- fMRI, Aripiprazole
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Emory University
Borderline Personality Disorder
Treatment of Aggression, Anger and Emotional Dysregulation in Borderline Personality Disorder
This study examines the effects of 12 months of dialectical behavior therapy (DBT) for subjects with borderline personality disorder on aggression, anger and emotional dysregulation.
- Trial name
- NCT00467038
- Testing
- Dialectical Behavior
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs