“…Metacognition has been defined as “knowledge or cognition about cognitive phenomena” (Flavell, 1979) or “thinking about thinking” (Frith, 2012). The core is ability to think about and reflect upon cognitive processes (David, Bedford, Wiffen, & Gilleen, 2012), and a body of descriptive research has shown that metacognition can be impaired in ABI (Ciurli et al, 2010; Hanten, Bartha, & Levin, 2000; Langan-Fox, Grant, & Anglim, 2007; Ownsworth & Fleming, 2005). …”