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Related Experiment Video

Updated: May 4, 2026

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Published on: January 7, 2014

Gene-environment interaction.

Stephen B Manuck¹, Jeanne M McCaffery

¹Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260;

Annual Review of Psychology

|January 11, 2014

Summary

This summary is machine-generated.

Gene-environment interactions are crucial in psychological research for understanding behavioral disorders and individual susceptibility. These studies help clarify genetic and environmental influences, especially when direct genetic associations are unclear.

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Area of Science:

Psychology
Behavioral Genetics
Genetics

Background:

Gene-environment (G×E) interaction studies are increasingly common in psychological research due to accessible genetic technologies.
These studies aim to test developmental hypotheses and etiological models for behavioral disorders.
Difficulties in detecting direct genetic associations with behavioral traits highlight the importance of G×E interactions.

Purpose of the Study:

To explore rationales for investigating G×E interactions in psychological research.
To review conceptual models for interpreting G×E interactions from a psychological standpoint.
To discuss common critiques of G×E research and the role of the environment.

Main Methods:

This essay reviews existing literature and conceptual frameworks.
It synthesizes arguments for the significance of G×E interactions.
It addresses critiques and the environmental component of G×E.

Main Results:

G×E interactions are essential for understanding complex behavioral phenotypes.
They help identify individuals at higher risk or those who may benefit from interventions.
G×E models can explain why direct genetic associations are sometimes elusive.

Conclusions:

G×E interactions offer a vital perspective for psychological research, moving beyond simple genetic determinism.
Understanding these interactions is key to advancing etiological models and personalized interventions.
Further research is needed to refine conceptual models and address methodological critiques.