Posttraumatic Stress Disorder (PTSD): What is it and what causes it? UNT Speaks Out Boals, Adriel University of North Texas. Libraries. 2012-11-15 English This presentation is part of the faculty lecture series UNT Speaks Out on Coming Home. The author has a grant from the National Institute of Health (NIH) and the National Institute of Mental Health (NIMH) on innovative approaches to understanding and treating PTSD. In this presentation, the author discusses PTSD and other responses to trauma and stress. posttraumatic stress disorder PTSD psychological disorders therapies UNT Speaks Out on Coming Home, 2012, Denton, Texas, United States UNT Speaks Out On Coming Home, ark:/67531/metadc139523 Public Presentation 17 p. Image http://digital.library.unt.edu/ark:/67531/metadc122184/ ark: ark:/67531/metadc122184