Psychiatry A woman with major depressive disorder underwent electroconvulsive therapy (ECT). Which of the following increases on ECT? A 5-hydroxyindoleacetic acid B Dopamine C Serotonin D Brain derived neurotrophic factor 💡 Explanation A woman with major depressive disorder underwent electroconvulsive therapy (ECT). Which of the following increases on ECT? ✓ Correct Answer: D. Brain derived neurotrophic factor