Psychology & Psychiatry

Chronic adversity dampens dopamine production

People exposed to a lifetime of psychosocial adversity may have an impaired ability to produce the dopamine levels needed for coping with acutely stressful situations.

Neuroscience

How will your thinking and memory change with age?

How well eight-year-olds score on a test of thinking skills may be a predictor of how they will perform on tests of thinking and memory skills when they are 70 years old, according to a study published in the October 30, ...

Alzheimer's disease & dementia

Brain changes may help track dementia, even before diagnosis

Even before a dementia diagnosis, people with mild cognitive impairment may have different changes in the brain depending on what type of dementia they have, according to a study published in the September 11, 2019, online ...

Alzheimer's disease & dementia

Blood tests for Alzheimer's: Why new studies are encouraging

Many people who have problems with their memory, especially if they are elderly, worry that they have Alzheimer's disease, which afflicts at least 5.5 million people in the U.S. and brings tremendous burdens to families as ...

Alzheimer's disease & dementia

Risk and progression of Alzheimer's disease differ by sex

The abnormal accumulation of proteins in the brain is a biological marker for Alzheimer's disease, but the ways in which these proteins spread may help explain why the prevalence of Alzheimer's is higher in women than in ...

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