Shawn McClintock, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption Research by Dr. Shawn McClintock, assistant professor of psychiatry at UT Southwestern, found that even people who show a clear treatment response with antidepressant medications continue to experience symptoms like insomnia, sadness and decreased concentration. Credit UT Southwestern Medical Center Usage Restrictions with credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.