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Epilepsy, PET brain scan

Epilepsy, PET brain scan

M150/0210

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Credit

SOVEREIGN, ISM / SCIENCE PHOTO LIBRARY SOVEREIGN, ISM / SCIENCE PHOTO LIBRARY

Caption

Epilepsy, positron emission tomography (PET) brain scan. This axial (horizontal) section through the brain has the front of the brain at top. The brain metabolism is imaged as the uptake by receptors of the brain chemical bezodiazepine (colour-coded from red [high], through yellow and green to black [low]). The metabolism is not symmetric, with the metabolism reduced in the brain's right temporal lobe (dark area, upper left). Epilepsy is a brain disorder where abnormal brain activity results in seizures, hallucinations and emotional outbursts. The temporal lobe is a brain area concerned with sound and language. PET scanning uses radioactive tracers to study brain blood flow and metabolism.

Release details

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