“…Finally, T.B. 's preserved performance for digit span may also suggest a history of ASD (Bölte, Rudolf, & Poustka, 2002;Gras-Vincedon et al, 2008;Happé & Frith, 1996;Nakahachi et al, 2006;Wechsler, 1981). ASD does not refer to a group of homogeneous disorders (APA, 2000;Gras-Vincedon et al, 2008;Happé & Frith, 1996;King & Lord, 2011;Takahata & Kato, 2008), and while some cognitive functions are notably impaired, others are spared or even superior to the norm.…”