. Decreased pleasure in normal activities c. I specialize in the emotional contributors to physical illness and attempt to capitalize on the body's natural healing capacities to reduce and or eliminate physical problems. Decreased pleasure in normal activities c. The following are symptoms of depression as outlined in the Diagnostic and Statistical Manual of the American Psychiatric Association. The following are symptoms of depression as outlined in the Diagnostic and Statistical Manual of the American Psychiatric Association. Difficulty making decisions or concentrating h. Decreased pleasure in normal activities c. (DSM IV). The following are symptoms of depression as outlined in. Decreased pleasure in normal activities c.