Brain imaging reveals ADHD as a collection of different disorders

The study, published in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, has the potential to radically reframe how researchers think about ADHD. “This study found evidence that clearly supports the idea that ADHD-diagnosed adolescents are not all the same neurobiologically,” said first author Dr. Michael Stevens, of the Olin Neuropsychiatry Research Center, Hartford, CT, and Yale University. Rather than a single disorder with small variations, the findings suggest that the diagnosis instead encompasses a “constellation” of different types of ADHD in which the brain functions in completely different ways.

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Alternative Dementia Screening Tests | Physician’s Weekly

Alternative Dementia Screening Tests | News Brief

  

Chinese investigators suggest that there are multiples alternatives to the Mini-Mental State Examination that have comparable diagnostic capabilities for detecting dementia. The Mini-Cog test and the Addenbrooke’s Cognitive Examination-Revised were deemed the most effective alternative screening tests for dementia. The Montreal Cognitive Assessment was determined to be the optimal alternative for detecting mild cognitive impairment.

Source: JAMA Internal Medicine, September 2015.

Source: Alternative Dementia Screening Tests | Physician’s Weekly