Physiological assessments of panic attacks recorded in the laboratory indicate an increase in all of the following except

stomach contractions

Explanation:

Panic attack: The term panic attack refers to the sudden onset of terror, intense apprehension, or fear that happens in the absence of any real cause.

Psychological symptoms:

1. Feeling of unreality.

2. Losing control.

3. Fear of dying.

4. Smothering sensation.

Physiological symptoms: Heart racing, sweating, nausea, trembling, shortness of breath, dizziness, etc.

Causes: Severe stress, medical condition, physical causes, etc.