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Figure 1 | BMC Neuroscience

Figure 1

From: Heritability of Stroop and flanker performance in 12-year old children

Figure 1

A path diagram of a univariate ACE model A path diagram of a univariate ACE model (A = Additive genetic factors, C = shared of common environmental factors, E = nonshared environmental effects) in which the three latent independent variables influence variation (indicated by single headed arrows) in a particular behavior or phenotype (P; P1 for twin 1 and P2 for twin 2). MZ = monozygotic; DZ = dizygotic. Partial regression coefficients (letters a, c and e) reflect the degree of relationship between the latent variables and the phenotype. Double headed arrows indicate the correlations among variables.

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