Studies of Blood Flow to the Brain During Thought

StatusRecruiting
PhaseNot specified
Started

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Record History

The 50 most recent of 438 record versions are accounted for below. See every version on ClinicalTrials.gov ↗

  1. Re-verified, no change to tracked fields
  2. Re-verified, no change to tracked fields
  3. Re-verified, no change to tracked fields
  4. Re-verified, no change to tracked fields
  5. Eligibility criteria expanded, about 1 word
Show 45 earlier versionsHide 45 earlier versions
  1. Eligibility criteria expanded, about 10 words
  2. 26 versions Re-verified since Dec 18, 2025, no change to tracked fieldsv407-v432
  3. Study Status, Contacts/Locationsv406
  4. Study Status, Study Description, Eligibility, Contacts/Locationsv405
  5. 16 versions Re-verified since May 3, 2025, no change to tracked fieldsv389-v404
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The purpose of this study is to use brain imaging technology to measure changes in blood flow to areas in the brain as individuals perform intellectual tasks. This study will use functional magnetic resonance imaging (fMRI) to examine blood flow to areas of the brain as participants engage in tasks associated with visual perception, visual recognition, and memory....
Trial Details
NCT Number NCT00001360
Lead Sponsor National Institute of Mental Health (NIMH)
Conditions
(from sponsor)		 Healthy Volunteer
Enrollment 4,100 participants
Start Date
Updated on ClinicalTrials.gov