Healthy Clinical Trial
Official title:
Structural and Functional Imaging of Neurologically Impaired Patients and Normal Volunteers With 1.5 and 3.0 Tesla MRI
This study is divided into two parts. The first part of the study will use MRI technology to
view the brain structure of patients with neurological disorders and normal volunteers. This
portion of the study will attempt to detect specific areas of damage in the brains of
patients with amnesia and dementia. It will also try to correlate the amount of brain damage
with performance on tests used to measure memory.
In the second part of the study, researchers plan to use MRI technology to study brain
function of patients with neurological disorders and normal volunteers when they perform
tasks. MRI signals during task performance will be used to record areas of the brain
receiving more blood flow indicating increased activity.
Researchers believe this study will help improve existing methods of evaluating patients
with neurological disorders. In addition, this study may contribute information about areas
of the brain involved in thought processing and motor and sensory function.
Status | Completed |
Enrollment | 830 |
Est. completion date | July 2003 |
Est. primary completion date | |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | N/A and older |
Eligibility |
INCLUSION CRITERIA: Subjects between the ages of 18 and 80. EXCLUSION CRITERIA: Patient must be able to give informed consent. Patients with ferromagnetic objects in their bodies which might be adversely affected by MRI (surgical clips or metal fragments in or near brain, eye or blood vessels, cardiac or neurological pacemaker, cochlear impairments) will be excluded. Pregnant or lactating women will be excluded. A pregnancy test will be administered to women of childbearing age. |
N/A
Country | Name | City | State |
---|---|---|---|
United States | National Institute of Neurological Disorders and Stroke (NINDS) | Bethesda | Maryland |
Lead Sponsor | Collaborator |
---|---|
National Institute of Neurological Disorders and Stroke (NINDS) |
United States,
Levin HS, Scheller J, Rickard T, Grafman J, Martinkowski K, Winslow M, Mirvis S. Dyscalculia and dyslexia after right hemisphere injury in infancy. Arch Neurol. 1996 Jan;53(1):88-96. — View Citation
Rueckert L, Appollonio I, Grafman J, Jezzard P, Johnson R Jr, Le Bihan D, Turner R. Magnetic resonance imaging functional activation of left frontal cortex during covert word production. J Neuroimaging. 1994 Apr;4(2):67-70. — View Citation
Rueckert L, Lange N, Partiot A, Appollonio I, Litvan I, Le Bihan D, Grafman J. Visualizing cortical activation during mental calculation with functional MRI. Neuroimage. 1996 Apr;3(2):97-103. — View Citation
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