Medically reviewed by Jonathan B. Jassey, DO Key Takeaways The Moro reflex is a startle response in babies that makes their arms extend and retract. Newborns grow out of the Moro reflex within the ...

Newborns make a lot of strange movements and exhibit unexpected behaviors during the first year of life. They can startle at nothing, suck at the air, cross their eyes, breathe funny, and more. New ...

There’s something magical about the moment a newborn baby wraps their tiny fingers around yours. That surprisingly strong grip isn’t just adorable, it’s a primal reflex hardwired into their biology.

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. Dodgers great ...