Doctors test for them within minutes of birth, because these simple motions reveal complex brain development. Primitive reflexes show how deeply survival is written into our biology ...

Your baby's flinch when his sister screams feels alarming, and you want a clear answer about whether it harms him. A startled reaction is usually a normal reflex, not a sign of lasting damage, but ...

An ancient brain circuit, which enables the eyes to reflexively rotate up as the body tilts down, tunes itself early in life as an animal develops, a new study finds. An ancient brain circuit, which ...

They also can’t control their reflexes, which is why many newborns engage in seemingly spastic movements and clench their fists. This might worry you, but is it really cause for concern? Here’s ...

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 ...