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Related Concept Videos

Gene-Environment Interactions01:20

Gene-Environment Interactions

Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
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Behavioral Genetics and Its Designs

Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
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Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children from...
Polygenic Traits01:18

Polygenic Traits

When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
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Parent-child interactions lay the foundation for how we understand relationships throughout life. These interactions are not uniform across families; instead, they are shaped by a range of environmental, emotional, and behavioral factors unique to each caregiver-child dynamic. Social psychologists study these early relationships to understand how patterns formed in infancy influence social functioning and interpersonal behavior in adulthood.Attachment Theory and Early Relational ModelsJohn...

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Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
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Evocative gene-parenting correlations and academic performance at first grade: an exploratory study.

Cathi B Propper1, Michael J Shanahan, Rosemary Russo

  • 1University of North Carolina, Chapel Hill, NC 27599-8115, USA. propper@unc.edu

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Genetic predispositions for dopamine receptor genes influence parenting, impacting children's academic performance. This study reveals how gene-environment interactions in early childhood shape school success.

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Area of Science:

  • Developmental Psychology
  • Behavioral Genetics
  • Educational Psychology

Background:

  • Early academic performance is crucial for long-term educational success.
  • Gene-environment correlations, particularly gene-parenting interactions, may influence child development.
  • Understanding these early influences is key to supporting academic achievement.

Purpose of the Study:

  • To test a model linking gene-parenting correlations in early life to later academic performance.
  • To investigate the mediating roles of psychosocial adjustment in this relationship.
  • To explore sex-specific pathways in the gene-parenting-achievement link.

Main Methods:

  • Utilized longitudinal data from the Durham Child Health and Development Study.
  • Examined risk alleles for dopamine receptor genes (DRD4, DRD2).
  • Assessed parenting sensitivity, psychosocial adjustment (behavioral, emotional regulation), and academic performance (teacher ratings, Woodcock-Johnson Tests of Achievement).

Main Results:

  • Risk alleles for dopamine receptor genes were associated with less sensitive parenting.
  • For girls, parenting mediated the link between dopamine receptor D4 and academic outcomes.
  • For boys, parenting was linked to emotion regulation, influencing academic behavior and achievement.

Conclusions:

  • Gene-parenting correlations in early childhood are associated with psychosocial adjustment and academic performance.
  • Parenting acts as a mediator in the pathway from specific genetic predispositions to academic outcomes.
  • These findings highlight the importance of early home environment interactions in shaping school readiness and success.