Fig. 1
From: New guidance to seekers of autism biomarkers: an update from studies of identical twins
Panel a: Reprinted from Supplementary Materials of Castelbaum et al. Behav Genet 2020 [2]. Scatter plot of the SRS score of the higher-scoring member of each MZ twin pair vs. the SRS score difference between the MZ twins in each pair. Panel b: Reprinted from Wagner et al., Child Dev 2019 [4]. Serial maternal-report measurements of 527 children rated by the Social Responsiveness Scale 1–10 years between measurements, beginning at an average age of 9.4 years. The sample was representative of the full range of variation in autistic traits from minimal to severe, as indicated by baseline scores