Psychological Trauma: Theory, Research, Practice, and Policy9.1 (Jan 2017): 80-87. Objective: Empirical examinations of the relation between posttraumatic stress disorder (PTSD) and objective measures of symptom over-reporting may be useful for identification of mechanisms of this previously observed relation. The present study examined the moderating effect of alexithymia, defined as a deficit in the ability to identify and describe emotions, on the relation between PTSD and over-reporting. To read the full article, log in using your NHS OpenAthens details.