UTEP Depression Research_01 (IMAGE) University of Texas at El Paso Caption Sergio Iñiguez, Ph.D., a professor of psychology at The University of Texas at El Paso, points out the symptoms of depression in voles to doctoral student Minerva Rodriguez. They are among the co-authors of a study published in the Journal of Affective Disorders which posits that the small rodents can be effectively used as animal models to further the study of clinical depression. Credit The University of Texas at El Paso. Usage Restrictions None. License Original content 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.