Last Minute Lecture

Dysfunctions, Mental Illness & Treatments — Neuroscience for Dummies Chapter 17 Summary Welcome to another Last Minute Lecture summary! In Chapter 17 of Neuroscience for Dummies (3rd Edition) , we explore the biological basis of mental illness and modern treatments for psychiatric conditions. This episode highlights how genetic predispositions, neurotransmitter imbalances, and environmental stressors interact to cause disorders such as depression, schizophrenia, and OCD. We also cover key psychopharmacological treatments and brain stimulation therapies used to manage these conditions. What Causes Mental Illness? Mental disorders arise from a mix of genetic, neurochemical, and environmental influences . While neurotransmitters like dopamine , serotonin , and glutamate play a major role, the interaction with life stressors and trauma also shapes mental health outcomes. For example, depression is more than just low serotonin—it involves complex feedback loops and altered ...