Neuroscience

Scientists record powerful signal in the brain's white matter

The human brain is made up of two kinds of matter: the nerve cell bodies (gray matter), which process sensation, control voluntary movement, and enable speech, learning and cognition, and the axons (white matter), which connect ...

Psychology & Psychiatry

Teens and depression—a back-to-school concern

With many teens heading back to school, peer pressure and academic expectations are once again a reality. These added pressures can cause ups and downs during what can be an already tumultuous time of life. For some teens, ...

Alzheimer's disease & dementia

Decreased deep sleep linked to early signs of Alzheimer's disease

Poor sleep is a hallmark of Alzheimer's disease. People with the disease tend to wake up tired, and their nights become even less refreshing as memory loss and other symptoms worsen. But how and why restless nights are linked ...

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