Professor Wong tells her class that there are four psychological domains that are used to describe depression. These domains include emotional, behavioral, cognitive, and .

physiological                              

Explanation:

Physiological domain: In psychology, the term "physiological domain" is described as one of the sub-type of "behavioral neuroscience" that aims at studying an individual's neural mechanism related to behavior and perception via direct manipulation or influence of his or her brains. Therefore, the physiological domain describes the biological and physical aspects of an individual's behavior.

In the question above, the given statement signifies that depression is being described via four different domains including physiological, cognitive, emotional, and behavioral.

answer; self_ disclosure;