Tagged as startle response

Boo!- Did you jump? That startle response is universal among humans — and possibly even across the animal kingdom. It can be unsettling, but it could also serve a vital purpose. So what causes us to become scared stiff? One well-known chemical in our brain appears to be responsible. Study Links Serotonin to Startle Response - If fear has ever stopped you in your tracks — literally like a deer staring...
June 30, 2020