Magnetic Resonance Imaging of the Brain in Social and Emotional Reasoning
Reasoning About Social and Economic Knowledge: Identifying the Role of the Human Prefrontal Cortex Using Functional Neuroimaging
2 other identifiers
observational
330
1 country
1
Brief Summary
This study will use magnetic resonance imaging (MRI) to identify brain regions involved in social and emotional reasoning. It will identify differences in brain activity during task performance between people who have a nervous system illness and those who do not. MRI is a diagnostic tool that uses a strong magnetic field and radio waves to produce images of structural and chemical changes in the brain. Healthy normal volunteers between 21 and 55 years of age who are right-handed and are native English speakers may be eligible for this study. Candidates will be screened with a medical history, including psychiatric and neurological information. Participants will be asked to perform social and emotional reasoning tasks, such as sorting and judging rules and rule violations, while undergoing MRI scanning. Some tasks may simply involve viewing items on a screen. Others may involve solving complex problems and responding by pressing buttons. During the scan, the subject lies on a table in a narrow cylinder (the scanner) containing a magnetic field. The scan will last about 2 hours, with subjects asked to lie still for up to 10 minutes at a time.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started May 2003
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2003
CompletedFirst Submitted
Initial submission to the registry
May 14, 2003
CompletedFirst Posted
Study publicly available on registry
May 14, 2003
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2005
CompletedMarch 4, 2008
May 1, 2005
May 14, 2003
March 3, 2008
Conditions
Keywords
Eligibility Criteria
You may qualify if:
- In all the studies, subjects will consist of healthy, native English-speaking, right-handed volunteers, as measured by the Edinburgh Handedness Inventory. Subjects will range in age from 21 to 55 years old and they will be included regardless of race.
- In studies 4 and 5, equal numbers of males and females will be recruited owing to previous findings of significant sex differences on such tests. In all other studies subjects will be recruited indiscriminately on the basis of sex.
You may not qualify if:
- Non-native English speakers and non-right handers will be excluded as mentioned above, as will non-neurologically normal volunteers. Subjects younger than 21 and older than 55 will be excluded. A pregnancy test will be employed with all women of childbearing age. The results must be negative in order to proceed with the MRI.
- Subjects with any of the following: aneurysm clip; implanted neural stimulator; implanted cardiac pacemaker or auto-defibrillator; cochlear implant; ocular foreign body, e.g. metal shavings; insulin pump; or irremovable body piercing will be excluded from the study due to the possible dangerous effects of the magnet upon metal objects in the body.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
National Institute of Neurological Disorders and Stroke (NINDS)
Bethesda, Maryland, 20892, United States
Related Publications (3)
Belliveau JW, Kennedy DN Jr, McKinstry RC, Buchbinder BR, Weisskoff RM, Cohen MS, Vevea JM, Brady TJ, Rosen BR. Functional mapping of the human visual cortex by magnetic resonance imaging. Science. 1991 Nov 1;254(5032):716-9. doi: 10.1126/science.1948051.
PMID: 1948051BACKGROUNDBelliveau JW, Rosen BR, Kantor HL, Rzedzian RR, Kennedy DN, McKinstry RC, Vevea JM, Cohen MS, Pykett IL, Brady TJ. Functional cerebral imaging by susceptibility-contrast NMR. Magn Reson Med. 1990 Jun;14(3):538-46. doi: 10.1002/mrm.1910140311.
PMID: 2355835BACKGROUNDBergeron C, Pollanen MS, Weyer L, Lang AE. Cortical degeneration in progressive supranuclear palsy. A comparison with cortical-basal ganglionic degeneration. J Neuropathol Exp Neurol. 1997 Jun;56(6):726-34.
PMID: 9184663BACKGROUND
Study Design
- Study Type
- observational
- Sponsor Type
- NIH
Study Record Dates
First Submitted
May 14, 2003
First Posted
May 14, 2003
Study Start
May 1, 2003
Study Completion
May 1, 2005
Last Updated
March 4, 2008
Record last verified: 2005-05