PET scans reveal how the brain thinks in health and disease

NCT ID NCT00001258

First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times

Summary

This study used PET scans to measure blood flow in the frontal lobe while participants performed thinking tasks. It included healthy volunteers and people with schizophrenia or Parkinson's disease. The goal was to understand how the frontal lobe works during cognitive activities and how drugs might affect it.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Oxygen-15 water

What this could lead to

If successful, this could help researchers understand how the frontal lobe works in thinking and how it is affected in neuropsychiatric disorders.

What could go wrong

This is an observational imaging study, not a treatment trial. It may not lead directly to new therapies or change patient care.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction Parkinson disease Psychotic Disorders schizophrenia Williams syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States