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Genetic susceptibility to parenting style: DRD2 and COMT influence creativity.
Si Si1, Yukang Su1, Shun Zhang1
1Department of Psychology, Shandong Normal University, Jinan, China.
Neuroimage
|March 3, 2020
Summary
Genetic variations in dopamine receptor D2 (DRD2) and catechol-O-methyltransferase (COMT) genes interact with parenting style to influence creativity. A cumulative genetic score revealed individuals with higher genetic susceptibility are more responsive to parenting.
Area of Science:
- Neuroscience
- Behavioral Genetics
- Psychology
Background:
- Creativity is influenced by a complex interplay of genetic and environmental factors.
- Dopaminergic genes, such as DRD2 and COMT, play a role in cognitive functions relevant to creativity.
- Parenting style is a significant environmental factor impacting child development and individual differences.
Purpose of the Study:
- To investigate the interaction between genetic variations in DRD2 and COMT genes and parenting style in predicting creativity.
- To examine the role of individual polymorphisms and a cumulative genetic score (CGS) in this interaction.
- To test the differential susceptibility model in the context of genetic predispositions and environmental influences on creativity.
Main Methods:
- Recruitment of a young adult sample.
- Genotyping of specific polymorphisms in DRD2 and COMT genes.
- Assessment of parenting style (e.g., mother authoritativeness).
- Calculation of a Cumulative Genetic Score (CGS) from susceptibility polymorphisms.
- Statistical analysis to examine gene-environment interactions and differential susceptibility using regions of significance (Ros).
Main Results:
- Individual COMT polymorphisms (rs5993882, rs5993883) interacted with mother authoritativeness to predict creativity.
- A CGS combining DRD2 and COMT polymorphisms significantly interacted with parenting style to explain variance in creativity.
- Differential susceptibility was supported: individuals with a high CGS showed greater creativity with positive parenting and lower creativity with negative parenting.
Conclusions:
- Genetic variations in DRD2 and COMT, particularly when aggregated into a CGS, interact with parenting style to shape creativity.
- The findings support a differential susceptibility model, where individuals with higher genetic susceptibility are more sensitive to both positive and negative environmental influences.
- Dopaminergic gene pathways are implicated in the complex relationship between parenting and creative potential.
Keywords:
COMTCreativityCumulative genetic score (CGS)DRD2Differential susceptibility modelGene-environment interactionMore Related Videos
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