“…Two studies found that the relationship between lower IQ and PTSD remained even after controlling for level of combat exposure (Macklin et al, 1998;McNally & Shin, 1995). This relationship between lower IQ and PTSD was supported by subsequent studies with Veterans (Gilbertson, Gurvits, Lasko, Orr, & Pitman, 2001;Vasterling et al, 2002;Gale, Deary, Boyle, Barefoot, Mortensen, & Batty, 2008;Kremen, et al, 2007). Verbal IQ appears particularly sensitive to risk for PTSD (Vasterling, Brailey, Constans, Borges, & Sutker, 1997;;Gil et al, 1990).…”