Cocaine use, PET brain scans

Cocaine use, PET brain scans

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This image is part of the sequence Healthcare: PET scans of the brain showing the effects of cocaine use

Credit: BROOKHAVEN NATIONAL LABORATORY/SCIENCE PHOTO LIBRARY

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Caption: Cocaine use. Positron emission tomography (PET) scans that have been colour-coded to show brain metabolism and the effects of cocaine use. Each brain scan is axial (horizontal) with the front of the brain at top. Three scans at different levels were obtained through a normal, cocaine-free brain (top), the brain of a cocaine user ten days after the last cocaine dose (middle) and 100 days after the last dose (bottom). Metabolism ranges from low (dark to light blue) to high (yellow to red). The long-term recovery period is demonstrated, as well as the poorer recovery of the front of the brain. Results presented by Nora Volkow.

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