The phrase "a normal fear" is correct and usable in written English.
It can be used to describe a fear that is considered typical or common among people in a certain context.
Example: "It's a normal fear to feel anxious before giving a public speech."
Alternatives: "a common fear" or "a typical fear".
For many coming to grips with the realities of a President Trump, "this isn't the normal fear," as news anchor Don Lemon said to filmmaker Michael Moore in a CNN segment about "not my president" protesters.
How do we know when we have skipped the line from normal fear and anxiety to a disorder?
We further show that the atypical antipsychotic drug clozapine, but not the typical antipsychotic haloperidol nor an experimental glutamate receptor 2/3 agonist, inhibits ketamine's effects and retains normal fear processing in the amygdala at a neurochemical level, despite the observation that fear-related behavior is still inhibited due to ketamine administration.
Phobic fear recruited a large array of brain regions including those active in normal fear plus additional structures and also engendered increased pupil dilation, electrodermal and self-reported responses that were greater to any snake versus fish.
Finally, in the contextual fear extinction test, in which the hippocampus plays a critical role (Ji and Maren, 2007), Salm3−/− mice showed normal fear extinction over the course of 5 days after memory acquisition.
In a widely cited example of microbes affecting behavior, Toxoplasma gondii suppresses rats' normal fear of cat smells, often to the detriment of the rats, but to the benefit of the microbes that are ingested into their new feline host.
Although the traditional fear conditioning paradigm was originally designed to unveil general principles of fear (un learning, it is well-suited to understand the transition from normal fear to pathological fear and the mechanisms of change.
But such tests offer another, less obvious kind of value: They help reduce employees' and customers' quite normal fear of change.
But when normal fear yields to what psychiatry categorizes as anxiety disorders, it becomes maladaptive.
Normal fear protects us; abnormal fear paralyzes us.
Trauma short-circuits our normal fear response mechanism and spikes it to abnormal levels.
