Hoffman’s sign or reflex is a test that doctors use to examine the reflexes of the upper extremities. The sign takes its name from a German neurologist called Johann Hoffman. Other names for the sign ...

What is the acoustic reflex? When a loud sound stimulus is presented to the ear, there is a reflexive contraction of the minute muscles that are connected to the ossicles in the Middle Ear. When these ...

How did the bodies of animals, including ours, become such fine-tuned movement machines? How vertebrates coordinate the eternal tug-o-war between involuntary reflexes and seamless voluntary movements ...

In your first moments with your newborn, you likely already saw their reflexes. The ones you might’ve noticed right away were the reflexes that help your baby eat, such as the rooting reflex or the ...

When babies are born, everything they experience is new. They go from being safe and warm in the womb to having all sorts of sights, sounds, smells, and feelings thrown at them. If your baby feels any ...

As soon as your baby’s born, you’ll notice their primitive reflexes — although you might not know them by name. Case in point: Nothing in the world produces the same amount of wonder that you feel ...