Brain scan

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Autism Starts Months Before Symptoms Appear

Parents often notice the first signs of autism in their children at around 12 to 18 months. Maybe a child isn’t making eye contact, or won’t smile when mom or dad walks in the door. But a new study suggests there is evidence of autism in the brain even earlier—well before a child’s first birthday—and [...]

Do you REALLY need antidepressants? Brain scan can tell whether medication or therapy is best option for depression

Dr Helen Mayberg at Emory University, in Atlanta, Georgia, in the U.S., studied brain scans to look for clues about what happens in the brain when someone is depressed and how different treatments affect brain activity. She used PET scans to measure brain glucose metabolism, an important index of brain function, and found that scan [...]