The SR-LAB startle response system is the world's most popular startle reflex research tool for assessing fear-potentiated startle (FPS), pre-pulse inhibition (PPI), and startle habituation. SR-LAB ...

To understand the expressive range of the human face, nothing beats watching a colleague scream his head off in slow motion. When my lab began to study protective reflexes in the early 2000s, the ...

The acoustic startle response is an unconditional reflex involving rapid facial and skeletal muscle movements triggered by sudden, startling stimuli like sound or light. Studying the acoustic startle ...

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 ...

A car backfires, and your shoulders jump. A shadow moves, and your eyes fly open before your brain catches up. That dramatic flash of white sclera around widened eyes feels automatic because it is.