Neuroscience

How bright-light treatment improves sleep in stressed mice

Chronic stress is associated with sleep disturbance. In their new study, Lu Huang and colleagues identify the neural pathway behind this behavior, and at the same time, explain how bright-light treatment is able to counter ...

Neuroscience

Not all itches are the same, according to the brain

Itch is a protective signal that animals use to prevent parasites from introducing potentially hazardous pathogens into the body. If a mosquito lands on a person's arm, they sense its presence on their skin and quickly scratch ...

Neuroscience

How to generate new neurons in the brain

Some areas of the adult brain contain quiescent, or dormant, neural stem cells that can potentially be reactivated to form new neurons. However, the transition from quiescence to proliferation is still poorly understood. ...

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