The startle response is a sudden, reflex-like response to an unexpected stimulus, such as a loud noise or bright light. It is an unlearned and largely unconscious defense mechanism shared by animals ...

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 ...

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 ...

Medically reviewed by Jonathan B. Jassey, DO Key Takeaways The Moro reflex is a startle response in babies that makes their ...

University of Toronto researchers have discovered that the main purpose of the startle reflex -- the mechanism that makes people twitch at sudden loud noises -- is to protect the body against blows.

I’ve been reading a lot recently about the startle reflex as it applies to folks who suffer with panic disorder and agoraphobia. As you probably suspected, people diagnosed with this wretched curse ...