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 ...

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 ...

Reflex modification audiometry (RMA) is an objective technique for assessing hearing acuity by determining whether the reflexive eyeblink, elicited by a tap to the glabella, is augmented by an ...