which perspective in psychology would suggest that depression is related to changes in brain chemistry?

The answer is "physiological".

Physiological psychology is a subdivision of behavioral neuroscience that reviews the neural instruments of discernment and conduct through direct control of the brains of nonhuman creature subjects in controlled trials.

The physiological way to deal with psychology centers around our natural make up, and the occasions that happen in our bodies which cause our conduct. For the most part, in this way, mental brain research will center around the mind, however it will likewise incorporate investigation of the sensory system, hormones and hereditary qualities.

answer; /// i believe that the correct answer is(cognitive revolution);