Dr. mcintosh emphasizes that depression involves the interactive influences of self-focused negative thinking, rejection from others, and low serotonin levels. the professor's emphasis best illustrates the

Dr. McIntosh's emphasis best illustrates "a biopsychosocial approach".

The biopsychosocial approach efficiently thinks about organic, mental, and social components and their perplexing connections in understanding wellbeing, disease, and human services delivery.An expanding predominance of psychological wellness issues calls for more learning into factors related with versatility. The present investigation utilized various measurable philosophies to look at a biopsychosocial model of hazard and versatility on preadolescence conduct.

The correct answer is the biopsychosocial approach. 

The biopsychosocial approach refers to an approach of understanding a behavior or disorder (such as depression) in terms of the biological, psychological as well as social determinants that cause the behavior. In this instance, Dr.McIntosh is adopting the biopsychosocial approach since he believes that depression involves the interactive influences of self-focused negative thinking (psychological factor), rejection from others (social factor), and low serotonin levels (biological factor).