Does watching someone else relieve a nagging itch spark the same impulse in you? A study in mice suggests contagious itching may have evolved as a reflex to protect animals from threats. Now, Chen and ...

CAMBRIDGE, MA -- Incoming information from the retina is channeled into two pathways in the brain’s visual system: one that’s responsible for processing color and fine spatial detail, and another that ...

Reflexes are automatic and involuntary actions the body produces in response to certain stimuli. While some reflexes can involve muscles and movement, others involve internal processes within the body ...