“…As the applications of positive psychology to rehabilitation medicine continue to grow, there is an essential need for development of clearer operational definitions and appropriate instruments to measure these constructs as they apply to individuals with ABI. In addition, interventions already exist to increase factors such as resilience and happiness in healthy volunteers and in child and military samples (Perlman et al, 2010;Seligman, Rashid, & Parks, 2006;Seligman et al 2005;Tonks et al, 2011;Wells et al, 2011), and there is a growing consensus that in order to be maximally effective, neuropsychological rehabilitation must address both objective cognitive deficits and subjective attitudinal, motivational, and emotional factors (e.g., self-efficacy, confidence, self-esteem) in tandem. As such, building empirically validated positive psychology treatment models is crucial to maximizing rehabilitative potential and research within adult civilian populations as well (e.g., Ben-Yishay & Diller, 2011;Cicerone et al, 2005Cicerone et al, , 2011Cicerone & Azulay, 2007;Gordon, Cantor, Ashman, & Brown, 2006;Mateer, Sira, & O'Connell, 2005;Montgomery, 1995;Prigatano, 2003;Schutz & Trainor, 2007;Wilson, 2005).…”