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 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 ...
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Humans have a strange reflex that no other primate has—and it might be a leftover from ancient fear
A car backfires, and your shoulders jump. A shadow moves, and your eyes fly open before your brain catches up. That dramatic ...
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