Clinical trials: Brain Connectivity
Parkinson Disease
How the Loss of Dopamine and Dopamine-Restoring Medicines Affect Movement Performance
This study has two purposes: 1) to understand the effect of a decline of dopamine in the brain during normal aging and in patients with Parkinson's disease, and 2) to investigate how medicines used to treat Parkinson's disease…
- Trial name
- NCT00040196
- Where
- United States
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Mild Cognitive Impairment, MCI
Effects of Methylene Blue in Healthy Aging, Mild Cognitive Impairment and Alzheimer's Disease
A double-blind, placebo-controlled study that aims to investigate the effect of 2-week and 12-week administration of USP methylene blue (MB) on cerebral blood flow, functional connectivity, memory and attention cognitive…
- Conditions
- Mild Cognitive Impairment, MCI, Aging, Alzheimer's Disease
- Trial name
- MB2 (NCT02380573)
- Testing
- Methylene Blue, FD&C Blue # 2, Phenazopyridine hydrochloride
- Where
- United States
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Parkinson Disease Psychosis
Hallucinations in Parkinson's Disease
Investigation on how robotically mediated sensorimotor stimulation induces and triggers presence hallucinations in different clinical groups of parkinsonian patients, and in aged-matched controls
- Trial name
- NCT04592965
- Testing
- Clinical and neuropsychological assessments, Induction of PH and associated bodily states, Resting-state fMRI acquisition
- Where
- 6 sites in Spain, Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Olaf Blanke
Movement Disorder, Focal Dystonia
Movement-Related Brain Networks Involved in Hand Dystonia
This study will use various methods to measure the activity of the motor cortex (the part of the brain that controls movements) in order to learn more about focal hand dystonia.
- Trial name
- NCT00137384
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Healthy Older Adults
tDCS Effects on GABA Concentration and Brain Functional Connectivity in Older Adults Of Working Age
The aim of this study is to investigate whether anodal tDCS over the left M1 leads to a decrease of GABA concentration and alterations of functional brain connectivity in older people, compared to sham tDCS.
- Trial name
- TRAINSTIM1 (NCT02794272)
- Testing
- tDCS
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Depression
(GluEsk) Glutamate and Esketamine
Esketamine is the S-enantiomer of racemic ketamine, a N-methyl-D-aspartate (NMDA) receptor antagonist. Esketamine and other antidepressant NMDA receptor antagonists are hypothesised to act by producing a rapid increase in brain…
- Trial name
- GluEsk (NCT06432322)
- Testing
- Esketamine nasal spray
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Dysautonomia
MRI to Assess the Effects of Dysautonomia and Chronic Nausea on Brain Transmitters
The purpose of this research study is to better understand what causes dysautonomia and how this affects blood pressure and pulse. Dysautonomia is a condition of the autonomic nervous system.
- Trial name
- NCT01692561
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Stroke
Functional Connectivity In Relation To Proprioception and Sensorimotor Recovery in Stroke Patients (Feasibility Study)
The purpose now is to: 1. identify brain connections related to proprioception to have a better understanding of differences between people with stroke and healthy persons 2.
- Trial name
- NCT02445768
- Testing
- Cognitive multisensory rehabilitation
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Neonates and Preterm Infants, Neonates or Premature Babies
Prospective Study of the Feasibility of Brain Connectivity Imaging by Functional Ultrasound Imaging (fUS) in Newborn Infant
Neurodevelopmental disorders (NDD) affect how the brain develops and can lead to lifelong difficulties with movement, learning, behavior, and thinking.
- Trial name
- CONEXUS (NCT06940713)
- Testing
- Imaging Time
- Where
- France
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
MS (Multiple Sclerosis)
Brain Functional Connectivity Changes Following Cognitive Rehabilitation in Multiple Sclerosis: an fMRI Study
This trial seeks to investigate brain network changes following cognitive rehabilitation in MS patients. The investigators hypothesize that rehabilitation interventions improve connectivity in the brain.Novel Magnetic Resonance…
- Trial name
- NCT01628276
- Testing
- Cog Rehab
- Where
- Iran
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Sina Hospital, Iran
Idiopathic Generalized Epilepsy
Study of Attentional Disorders in Patients Suffering From Idiopathic Generalized Epilepsy.
Attentional disorders have been reported in neuropsychological studies evaluating patients suffering from generalized idiopathic epilepsy, but the data are disparate (in terms of test protocol).
- Trial name
- ATTENTIONEPIG (NCT05530109)
- Testing
- Neuropsychological screening and high resolution EEG recording
- Where
- France
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Traumatic Brain Injury, Stroke
Neural Dynamics and Connectivity in Response Inhibition and Traumatic Brain Injury
Background: Previous research has shown that certain parts of the brain are involved in voluntarily stopping an ongoing motor response (movement); however, it is not known whether this same network is also involved in suppressing…
- Conditions
- Traumatic Brain Injury, Stroke, Headache, PTSD
- Trial name
- NCT01194661
- Where
- United States
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Constipation - Functional, Refractory Constipation
Predicting Treatment Outcomes in Refractory Constipation Through Brain Connectivity Evaluation
The goal of this observational study is to identify the characteristics of brain functional connectivity in refractory constipation and fluoxetine-sensitive patients.
- Conditions
- Constipation - Functional, Refractory Constipation, Fluoxetine, fMRI
- Trial name
- NCT06221722
- Testing
- BOLD-fMRI, Regular treatment of functional constipation, fluoxetine
- Where
- 3 sites in China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Xijing Hospital of Digestive Diseases
Tinnitus, Hearing Loss
Investigating Disinhibitory Brain Mechanism in Tinnitus and Hearing Loss
Tinnitus, the perception of sound in the absence of an external acoustic stimulus. Tinnitus is often perceived inside the head rather than the ear and is a common condition with a prevalence estimated between 10 and 15% in…
- Trial name
- IGNITE (NCT04862572)
- Testing
- MRI scanning
- Where
- 3 sites in United Kingdom
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Parkinson Disease, Healthy
The Role of Dopamine in Motor Learning in Healthy Subjects and Patients With Parkinson's Disease
This study will examine and compare what happens in the brains of patients with Parkinson's disease with that of healthy normal subjects while they train to react as fast as possible to the appearance of a visual signal.
- Trial name
- NCT00032812
- Testing
- Raclopride
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Brain Connectivity
Brain Function in Performance of Motor Tasks
This study will examine how the areas in the brain are connected when they are controlling two finger movements at the same time. It will look at how people use what they see to help guide two different movements.
- Trial name
- NCT00498329
- Where
- United States
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Pediatric Obesity, Behavior and Behavior Mechanisms
Neuro-cognitive Impact of Juvenile Obesity
Recent studies indicate that obese teenagers exhibit memory disturbances. Adolescence represents a crucial period in the development of the hippocampus and the amygdala, necessary for the implementation of memory and emotional…
- Conditions
- Pediatric Obesity, Behavior and Behavior Mechanisms, Emotions
- Trial name
- OBETEEN (NCT03776513)
- Testing
- an MRI examination
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Stroke
Brain-behavior Associations of Sensorimotor Therapy Post Stroke
Stroke survivors often encounter impairments in the upper limb after stroke. Sensorimotor impairments are present in 67% of the stroke patients, resulting in problems with independency and performance of activities of daily life.
- Trial name
- NCT03236376
- Testing
- additional sensorimotor therapy for the upper limb, additional motor therapy for the upper limb after stroke
- Where
- Belgium
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Dysmenorrhea
Brain Structural and Functional Connectivity Changes in the Period of Dysmenorrhea: a Prospective fMRI Study
Observational prospective study with an analysis of the changes in brain structure and related functional connectivity in women with dysmenorrhea.
- Trial name
- NCT06178406
- Testing
- dysmenorrhea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Women's Hospital School Of Medicine Zhejiang University
Healthy
Trait Anxiety and Defensive Networks
to examine the association between trait and defensive network connectivity and the modulatory effect of oxytocin on it
- Trial name
- NCT02682888
- Testing
- trait anxiety scale, Oxytocin
- Where
- China
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China