This week, Peter Simons covers studies on the biological mechanism behind antipsychotic drugs' association with dementia; surprising brain imaging findings with implications for antidepressant effectiveness; bias in the psychotherapy literature; and the trauma caused by involuntary treatment of people with psychosis.

• Antipsychotics Increase Risk of Dementia; New Research Illuminates Why
• Antidepressant Effects on Serotonin Plateau at the Minimum Recommended Dose
• Selective Reporting Inflates Effectiveness for Psychotherapy Depression Treatments
• Psychosis Associated with Childhood and Health Care-Related Traumas