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Main
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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register. |
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Register:
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ClinicalTrials.gov |
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Last refreshed on:
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17 October 2012 |
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Main ID: |
NCT01195961 |
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Date of registration:
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03/09/2010 |
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Primary sponsor: |
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Public title:
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Facilitating Numerical Processing With Transcranial Stimulation in Developmental Dyscalculia
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Scientific title:
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Facilitating Numerical Processing With Transcranial DC Stimulation in Developmental Dyscalculia |
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Date of first enrolment:
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August 2010 |
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Target sample size:
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0 |
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Recruitment status: |
Withdrawn |
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URL:
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http://clinicaltrials.gov/show/NCT01195961 |
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Study type:
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Observational |
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Study design:
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Time Perspective: Prospective
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Countries of recruitment
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United States
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Key inclusion & exclusion criteria
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- INCLUSION CRITERIA:
We will include healthy volunteers and DD subjects who meet the following criteria:
Age 18 to 50 years
Able to provide informed consent
No history of math difficulties as determined by Dyscalculia Screener examination > upper
50th percentile (healthy volunteers)
Diagnosed with DD and scored < lower 25th percentile on Dyscalculia screening test
(Developmental Dyscalculia subjects)
Edinburgh handedness inventory shows a laterality index (LI) > 75 (dexterity) or LI of
less than -75 (left-handedness)
EXCLUSION CRITERIA:
We will exclude healthy volunteers and DD subjects if one of the following conditions
applies:
Unable to perform the tasks due to visual problems
History of seizures or brain tumor
History of alcohol or drug abuse (defined as the use of a drug for a nontherapeutic
effect ) or psychiatric illness such as severe depression
History of brain surgery
Drug treatment acting primarily on the central nervous system, which lowers the seizure
threshold such as antipsychotic drugs (chlorprozamine, clozapine).
Pregnancy
Age minimum:
18 Years
Age maximum:
50 Years
Gender:
Both
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Health Condition(s) or Problem(s) studied
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Brain Mapping
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Cognition Disorder
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Secondary ID(s)
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10-N-0194
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100194
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Source(s) of Monetary Support
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Please refer to primary and secondary sponsors
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