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 ...

Variations in a gene that regulates the brain chemical dopamine may help explain why some people are more prone to anxiety than others, a new study suggests. Subscribe to read this story ad-free Get ...

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. Subscribe to read this story ad-free Get unlimited access to ...