A theory of developmental change in quantitative phenotypes applied to cognitive development

Eaves, Lindon J.; Long, Jeffrey D.; Heath, Andrew C.

doi:10.1007/bf01065484

Cited by 198 publications

(156 citation statements)

References 8 publications

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“…In longitudinal studies involving repeated measurements with the same instruments, temporal changes in variance are informative about the underlying developmental process (Eaves et al 1986). Path coefficients of the model are standardized so that the phenotypic variance is unity on the first occasion, and variances at subsequent ages are expressed relative to their initial values.…”

Section: Discussionmentioning

confidence: 99%

A genetically informative developmental study of the relationship between conduct disorder and peer deviance in males

et al. 2007

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Section: Discussionmentioning

confidence: 99%

A genetically informative developmental study of the relationship between conduct disorder and peer deviance in males

et al. 2007

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“…Such structural differences between homologous neural networks in the left and right hemispheres of the brain may give rise to stable lateralized EEG components. In the longitudinal genetic EEG model these stable components could each be represented by a common within-family environmental factor having lagged autocorrelations of one (Eaves et aL, 1986). The presence of third source influences then could be inferred from systematic left-right differences between these common within-environmental EEG factors.…”

Section: A Preliminary Biometrical Modelmentioning

confidence: 99%

A third source of developmental differences

Molenaar,

Boomsma,

Dolan

1993

Behav Genet

158

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An illustrative list is presented of human and animal studies which each point to the existence of a third source, in addition to genetic and environmental factors, underlying phenotypic differences in development. It is argued that this third source may consist of nonlinear epigenetic processes that can create variability at all phenotypical-somatic and behavioral-levels. In a quantitative genetic analysis with human subjects, these processes are confounded with within-family environmental influences. A preliminary model to quantify these influences is introduced.

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“…Some studies have identified a simplex pattern (Boomsma & Molenaar, 1987;Eaves, Long, & Heath, 1986). In this case, age-specific genetic and environmental influences mediate instability, whereas age-to-age transmission mediates stability.…”

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confidence: 99%

Genetic and Environmental Contributions to General Cognitive Ability Through the First 16 Years of Life.

Petrill¹,

Lipton²,

Hewitt³

et al. 2004

Developmental Psychology

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The genetic and environmental contributions to the development of general cognitive ability throughout the first 16 years of life were examined using sibling data from the Colorado Adoption Project. Correlations were analyzed along with structural equation models to characterize the genetic and environmental influences on longitudinal stability and instability. Intraclass correlations reflected both considerable genetic influence at each age and modest shared environmental influence within and across ages. Modeling results suggested that genetic factors mediated phenotypic stability throughout this entire period, whereas most age-to-age instability appeared to be due to nonshared environmental influences.

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A theory of developmental change in quantitative phenotypes applied to cognitive development

Cited by 198 publications

References 8 publications

A genetically informative developmental study of the relationship between conduct disorder and peer deviance in males

A genetically informative developmental study of the relationship between conduct disorder and peer deviance in males

A third source of developmental differences

Genetic and Environmental Contributions to General Cognitive Ability Through the First 16 Years of Life.

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