Mixed models statistics for within-group, baseline and between-group differences on cognitive abilities for the two study groups after adjusting for age.

1<p>AM = Auditory (non-linguistic) memory; DA = Divided Attention; DS = Avoiding Distractions; GC = Hand-eye co-ordination.</p><p>GM = General Memory; IN = Inhibition; NM = Naming; PL = Planning; RT = Response Time; SH = Shifting; SP = Spatial Perception; TE = Time estimation; VM = Visual Working Memory; VP = Visual Perception; VS = Visual Scanning; WM = Working Linguistic-Auditory Memory.</p>2<p>Significance levels:</p>*<p> = significant at the level of 0.05,</p>**<p> = significant at the level of 0.01,</p>***<p> = significant at the level of 0.001.</p>3<p>Cohen's d effect sizes:</p>∧<p> = small-sized effect,</p>∧∧<p> = medium-sized effect,</p>∧∧∧<p> = large-sized effect.