Thomas Insel, MD, Director of the National Institute of Mental Health (NIMH), talks about
Harnessing the Innate Plasticity of the Brain for Recovery | Psychiatric Times
Dr. Insel states, "We need to be thinking much more precisely about the circuitry that underlies both normal and abnormal behavior." Insel's presentation is about complexities beyond the chemical imbalance schema. Frankly, listening to the video and then reading the transcript was rather exciting for me.
Unfortunately, you may need to register to access the presentation.