“…Researchers suggest that problems with concentration, which can continue on into adulthood, are the most common consequences of the immaturity of the brain at birth (Aarnoudse-Moens, Smidts, Oosterlaan, Duivenvoorden, & Weisglas-Kuperus, 2009;Anderson, 2014;Bhutta, Cleves, Casey, Cradock, & Anand, 2002;Hack et al, 2009;Mulder, Pitchford, Hagger, & Marlow, 2009;Johnson & Marlow, 2011). Johnson and Marlow (2011), in their review of research on the most common problems in premature children, described a pattern of behavior that they defined as phenotypic.…”