Figure 4From: Elevated cortisol during play is associated with age and social engagement in children with autismGroup patterns of average cortisol response to the peer interaction. Figure age subgroups (Older, Younger) were separated by median age within each diagnostic group. S1 = Baseline (Preplay), S2 = Postplay, S3 = 20 minutes postplay, S4 = 40 minutes postplay. nmol/L = nanomoles per liter.Back to article page