Mania, Bipolar, Schizoaffective, Schizophrenia: What Are The Differences? What Is The Overlap?

In a previous lecture, we examined the intersection between the symptoms of depression and the symptoms of schizophrenia. This lecture will focus on the intersections at the other end of the mood spectrum. Specifically, we will consider here the extent to which mania, bipolar disorder, schizoaffective disorder, and schizophrenia are distinct entities – or whether they might (in some cases) overlap.


Although the DSM views bipolar disorder and schizophrenia as very separate categories, modern genetic data are showing what medications have suggested for decades – that the line between these categories cannot be so neatly drawn.


Here are the slides from this lecture: Manias and schizoaffective disorder