Vantage Sensitivity: Environmental Sensitivity to Positive Experiences as a Function of Genetic Differences.

Area of Science:

• Behavioral Genetics
• Developmental Psychology
• Evolutionary Biology

Background:

• Gene-environment interaction studies show specific genetic variants increase negative responses to adverse experiences.
• These 'risk' variants are common, suggesting an evolutionary advantage.
• Evolutionary analysis proposes these variants are maintained due to benefits in different environmental contexts.

Purpose of the Study:

• Introduce the concept of vantage sensitivity.
• Compare vantage sensitivity with diathesis-stress and differential susceptibility models.
• Review empirical evidence for genetic influences on vantage sensitivity.
• Discuss implications for understanding social inequality and underlying mechanisms.

Main Methods:

• Conceptual analysis of gene-environment interaction frameworks.
• Review of empirical studies on genetic variants and environmental sensitivity.
• Hypothesized neurocognitive and molecular mechanisms.

Main Results:

• Vantage sensitivity describes genetic variants conferring advantages in supportive environments, alongside risks in adverse ones.
• This framework reconciles the prevalence of 'risk' variants.
• Empirical evidence supports genetic differences in vantage sensitivity.

Conclusions:

• Vantage sensitivity offers a novel perspective on gene-environment interactions.
• It explains how genetic variants can be adaptive across diverse environments.
• This framework has implications for understanding individual differences in response to social inequality.