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. Author manuscript; available in PMC: 2014 Jun 19.
Published in final edited form as: Nature. 2013 Nov 6;504(7480):427–431. doi: 10.1038/nature12715

Figure 2. Growth charts of social visual engagement for typically-developing children and children diagnosed with ASD.

Figure 2

Fixation to eyes, mouth, body, and object from 2 until 24 months in a, TD and, b, ASD. c, Contrary to a congenital reduction in preferential attention to eyes in ASD, d, children with ASD exhibit mean decline in eye fixation. Longitudinal change in fixation to e, eyes; f, mouth; g, body; and h, object regions; between-group comparisons by functional ANOVA. Dark lines indicate mean growth curves, light lines indicate 95% CI. Top panels in e-h plot percent fixation; middle panels plot change in fixation (the first derivative, in units of % change per month); and bottom panels plot F value functions for between-group pointwise comparisons. Significant differences are shaded in medium gray for comparison of fixation data and light gray for comparison of change-in-fixation data.