PET scans reveal how the brain thinks in health and disease

NCT ID NCT00001258

First seen Jun 27, 2026 · Last updated Aug 13, 2026 · Updated 10 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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

More trials for these conditions

Other studies related to the condition(s) this trial covers.