A preliminary study investigating time perception in adolescents with posttraumatic stress disorder and major depressive disorder.

Objective: The aim of the current study was to conduct a preliminary investigation into time perception in adolescents with posttraumatic stress disorder (PTSD), major depressive disorder (MDD), and healthy controls.

Method: Iranian adolescents with PTSD (n = 15) or MDD (n = 15) and healthy, non-trauma-exposed control participants (n = 15) completed 3 measures of time perception: a verbal time estimation task, a production task, and a reproduction task.

Results: The PTSD group was found to have significantly poorer overall time perception accuracy compared to the control group (d = 1.