Pellicano, E; (2010) The Development of Core Cognitive Skills in Autism: A 3-Year Prospective Study. Child Development , 81 (5) pp. 1400-1416. 10.1111/j.1467-8624.2010.01481.x.

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Abstract

This longitudinal study tested the veracity of one candidate multiple-deficits account of autism by assessing 37 children with autism (M age=67.9 months) and 31 typical children (M age=65.2 months) on tasks tapping components of theory of mind (ToM), executive function (EF), and central coherence (CC) at intake and again 3 years later. As a group, children with autism showed poor false-belief attribution, planning ability and set-shifting, together with enhanced local processing at both time-points. At an individual level, however, the profile was far from universal at either intake or follow-up. Moreover, autistic children demonstrated significant changes over time in ToM and EF, but not CC, over the 3-year period. The challenges these findings pose for a multiple-deficits account are discussed.

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