On the other hand, L-serine, a component of human scent and found in sweat, is known to cause a fright reaction
in many fish species".
Instead, it seems that people can learn to suppress a fright reaction
by repeatedly confronting, in a safe manner, the fear-triggering memory or stimulus.
They found that 90% of the participants (more than 150 college students at Michigan and Wisconsin) reported a media fright reaction
from childhood or adolescence.
It was interesting to see how the fright reactions
that people had, how the emotional experiences that they were having, differed from those reported with non-interactive media," Lynch said.
We deemed this an important topic, as research suggests that news exposure can evoke fright reactions among children (Smith & Wilson, 2002).
Children's comprehension of and fright reactions to television news.
It works on the parasympathetic nervous system - your fight, flight and fright reactions
The fright reactions
sometimes last for several days, weeks, months, or even years.