Neuroscience

Research shows how stress activates neurons that disrupt sleep

New research reveals that neurons in the preoptic hypothalamus—the region of the brain that regulates sleep and body temperature—are rhythmically activated during non-rapid eye movement sleep (NREM). Stress activates ...

Neuroscience

Ultrasound enables less-invasive brain-machine interfaces

Brain–machine interfaces (BMIs) are devices that can read brain activity and translate that activity to control an electronic device like a prosthetic arm or computer cursor. They promise to enable people with paralysis ...

Medical research

Compression of cancer cells is a double-edged sword, study finds

Adhering closely to Darwin's theory of evolution, tumors need to adapt to environmental changes to survive. A new study shows that one of those changes—the compression of cells—can both help and hinder the progression ...

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