Sentence examples for fright reaction from inspiring English sources

Alarm substances and the fright reaction have contributed markedly to the biological success of the Ostariophysi.

By experimentation he demonstrated that a chemical substance released from the lacerated skin produced a fright reaction when perceived through the nasal organs of other fishes.

Although the fright reaction appears to be important insurance for the individual against predation, the alarm substances are of greatest value among those species exhibiting social behaviour by warning other members of the school.

The vultures do not prey on small animals and therefore do not cause fright reactions among them.

There are also studies that actually examined the relationship between violent or otherwise threatening information presented on television and fright reactions in child samples.

However, despite the existing data regarding this treatment, the adverse reactions remain the only fright, sometimes severe, suchlike respiratory depression, caused their stop being abandoned.

The first phase of the stress response is considered the "alarm reaction" or the "fight-fright-or-flight" response, which involves the rapid activation of the autonomic nervous system (ANS) that causes the release of epinephrine and norepinephrine from the adrenal medulla.

Fright wigs, frightening women and frightful acting.

The sympathetic nervous system is activated under conditions of fright or vigorous activity (the so-called fight-or-flight reaction), where the increase in force and rate of heart contraction are easily felt; the parasympathetic system exerts its influence during periods of rest.

Reactions of the child victim can range from fright, particularly if force or violence is involved, to bewilderment or passive enjoyment.

The jarring reaction from the saucer caused Walton's co-workers to flee in fright, and Walton recalls being taken on board a craft and placed in a hospital-like room in the presence of three short, bald creatures.