Your baby's newborn reflexes – called developmental reflexes or primitive reflexes – are survival instincts triggered by their central nervous system. A reflex can be a spontaneous movement, but it's ...

We all jump at an unexpected noise or touch, but in some people, this startle response is exaggerated, and can cause falls and even death. Now, researchers in the United Kingdom have found new genes ...

Dear Dr. Roach: My question concerns a subject I’ve not seen addressed in your column. My essential tremor is accompanied by an exaggerated startle response. The least sound makes me jump. I take 10 ...

The acoustic startle response is an unconditional reflex manifested as a rapid contraction of facial and skeletal muscles in response to a sudden and intense startling stimulus. Translational research ...