Labels:bannister | car | fence | mirror | person | plant | road | sky | stairs | subarachnoid space | windowpane OCR: PET SCAN OF THE BRAIN OSITRON EMISSION tomography (PET) scans are pasn to show brain activ ity First radioactive glucose. injected into the bloodstream, absorbed by brain cells. The more active a brain cell is. the more glucose it absorbs Next, the head is scanned W ith PET scanner which detects rays released by the radioactive glucose. computer analyzes these rays and produces a color- coded slice through the brain; the red areas are most active Area of high brain activity Brain used oaped
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