The startle reflex is a rapid, involuntary response to sudden acoustic stimuli, and its study has provided valuable insights into the neural mechanisms underlying motor preparation. Research in this ...

Hyperekplexia is a genetic condition characterized by an exaggerated startle reaction to sudden loud sounds, movement, or touch. The muscles may stiffen as a result. Hyperekplexia is a rare condition.

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 ...