“…The poorer performance of the two ADHD presentations was not unexpected. Several studies have reported that children with ADHD scored significantly lower on tests that measure frontal lobe functioning, especially planning, problem solving, mental flexibility and spatial working memory than their matched peers (Chiang, Huang, Shur-Fen Gau, & Shang, 2013;Culbertson & Zillmer, 1998;Hughes, 1998;Klorman et al, 1999;Larochette, Benn, & Harrison, 2009;Macallister et al, 2012;Nigg, Blaskey, Huang-Pollock, & Rappley, 2002;Solanto et al, 2007;Tripp et al, 2002). However, Houghton et al (1999) did not find that the ToL discriminated between children with and without ADHD.…”