Table 2. Summary of Cummings Criteria for PBA.

Cummings Criteria	Description
Criteria 1	Episodes of emotional expression represent a change from the person’s usual emotional reactivity.
Criteria 2	Emotional reactivity is inconsistent with the person’s mood or the corresponding mood state.
Criteria 3	The emotional response is more than any provoking stimulus.
Criteria 4	Repetitive episodic emotional disturbances cause significant distress or social or occupational impairment.
Criteria 5	Sudden emotional occurrences of expression are not accounted for by another psychiatric or neurological disorder.
Criteria 6	The symptoms are not a result of the direct effect of a drug or medication use.