PET Scan
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Alzheimer's Brain Protein Scanning Moves Forward
… of the tracers. PET scans , or brain scans ..... disease. Before now, PET scans ( positron emission tomography ) could only be done ..... correlation between PET scan readings for amyloid ..... brain disease) with PET scans performed at a later …
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'Ecstasy' May Cause Long-Term Changes in Brain Chemistry
… of 90 days, with the average length of abstinence hovering at the two-year mark. The team used positron emission tomography ( PET ) scans to assess levels of serotonin receptors in the participants' brains, noting that receptor levels …
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Secondhand Smoke May Trigger Nicotine Craving
… a direct and measurable impact on the brain similar to that of actually smoking. Scientists used positron emission tomography ( PET ) scans to show that just one hour of exposure to secondhand smoke in an enclosed area allows nicotine to reach …
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Alcohol Targets Brain 'Reward Centers' in Heavy Drinkers
… brain could help lead to more effective treatments for people with drinking problems. Researchers used positron emission tomography (PET) imaging to observe the effects of alcohol in the brains of 13 heavy drinkers and a control group …
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Scans May Discern Between Two Types of Dementia
… effectiveness of PIB PET scans , the team focused ..... underwent both the PIB PET scan and the FDG PET scan . The latter looks ..... brain. While the FDG PET scan was found to accurately ..... percent of the time, PIB PET scans did so nearly 90 percent …
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Cell Phones Affect Areas of the Brain, Study Shows
… measured metabolism of glucose in the brain -- a measure of how hard the organ is working -- using positron emission tomography ( PET ) scans . Metabolism in the orbitofrontal cortex and temporal pole regions of the brain, those closest to …
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Brain Scans to Spot Alzheimer's May Be Available This Year
… researchers just released studies that reveal the effectiveness of PET scans that search for signs of a protein in the brain called beta ..... Texas found that levels of the protein, as detected through a PET scanner , were higher in those whose brains took longer to process …
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Could Weight Loss Be Early Sign of Alzheimer's?
… of Alzheimer's, something known as the "obesity paradox." Vidoni and his partners looked at PET ( positron emission tomography ) imaging of the brain and analyzed cerebrospinal fluid for markers of Alzheimer's disease in 506 people …
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Alzheimer's-Linked Brain Plaques May Affect Memory in Healthy People
… in mental function. The researchers wanted to study beta amyloid levels in people without Alzheimer's disease. They did PET scans on 137 people aged 30 to 89, and gave them several cognitive tests that measured things like memory and how fast their brains …
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Thin Children Have More Energy-Burning 'Brown Fat'
… Children's Hospital program in nuclear medicine and molecular imaging, said in a Joslin news release. After conducting PET scans on 172 study participants ranging in age from 5 to 21 years, the researchers detected active brown fat in 44 percent of the …
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