Related Experiment Video

Updated: May 1, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

90.5K

Prenatal smoking and genetic risk: examining the childhood origins of externalizing behavioral problems

Melissa A Petkovsek1, Brian B Boutwell1, Kevin M Beaver2

  • 1Sam Houston State University, College of Criminal Justice, P.O. Box 2296, Huntsville, TX 77341-2296, USA.

Social Science & Medicine (1982)
|April 18, 2014
PubMed

Insights

Prenatal smoke exposure interacts with genetic risk factors to increase children's behavior problems. This gene-environment interaction is particularly significant for females, explaining some variations in externalizing behaviors.

Area of Science:

  • Developmental Psychology
  • Behavioral Genetics
  • Environmental Health

Background:

  • Research indicates a link between prenatal nicotine exposure and behavioral issues in children.
  • Prenatal smoke exposure is increasingly studied for its role in childhood conduct problems.

Purpose of the Study:

  • To investigate the combined effect of prenatal smoke exposure and genetic risk factors on behavior problems.
  • To examine gene-environment interactions in predicting childhood behavior issues using a twin study.

Main Methods:

  • Analysis of data from a nationally representative sample of twin pairs in early childhood.
  • Statistical modeling to assess the interaction between prenatal smoke exposure and genetic risk.

Main Results:

  • A significant interaction was found between prenatal smoke exposure and genetic risk factors for behavior problems.
  • Prenatal smoke exposure moderated the impact of genetic risk on aggressive behavior.
  • The association between genetic risk and prenatal smoking was sex-specific, significant only in females.

Conclusions:

  • Findings support a gene-environment interaction model where prenatal smoke exposure influences genetic predispositions for behavior problems.
  • The sex-specific nature of the interaction may help explain heterogeneity in the prenatal smoking-externalizing behavior link.
  • Highlights the complex interplay of environmental and genetic factors in child behavioral development.

Keywords:
Externalizing behavior problemsGene–environment interactionPrenatal smokingTwinsUSA

More Related Videos

Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats11:01

Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats

Published on: December 14, 2014

9.5K
Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model04:20

Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model

Published on: July 12, 2024

2.5K

Related Concept Videos

Behavioral Genetics and Its Designs01:23

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.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
1.5K
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
2.0K
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
6.5K
Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
1.4K
Causes of Social Behavior III: Biological and Environmental Influences01:28

Causes of Social Behavior III: Biological and Environmental Influences

Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...
550
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...
1.4K