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Behavioral disorders

Mice engage in grooming behavior, experiencing a phenomenon researchers call pleasant touch. Researchers from the Washington University Center for the Study of Itch and Sensory Disorders have identified a specific neuropeptide and a neural circuit that transmit pleasant touch from the skin to the brain. The findings eventually may help scientists better understand and treat disorders characterized by touch avoidance and impaired social development.

Drug alleviates autism-associated behavior in mice

The image shows fear memory neurons (red) among all prefrontal cortex neurons (blue).

How the brain stores memories of trauma

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