Neuroscience

Hormone causes decline in cognition after social stress

How does stress influence our cognitive performance? This is an issue scientists at the Max Planck Institute of Psychiatry in Munich have been dealing with. For the first time, they have identified a brain mechanism that ...

Neuroscience

The social lives of the elderly mirror how they grow older

Small changes in the social lives of older people are early red flags showing that their thought processes and brain functioning could be on the decline. This is according to Ashwin Kotwal of Brigham and Women's Hospital ...

Neuroscience

Hit the sleep 'sweet spot' to keep brain sharp

Like so many other good things in life, sleep is best in moderation. A multiyear study of older adults found that both short and long sleepers experienced greater cognitive decline than people who slept a moderate amount, ...

Alzheimer's disease & dementia

Smell test may predict early stages of Alzheimer's disease

Researchers from Columbia University Medical Center (CUMC), New York State Psychiatric Institute, and NewYork-Presbyterian reported that an odor identification test may prove useful in predicting cognitive decline and detecting ...

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