Related Experiment Video
Updated: Mar 21, 2026
07:15
Author Spotlight: Understanding Adolescent Social Adversity Effects on Neurodevelopment in Mice
Published on: March 15, 2024
2.9K
The Interplay of MAOA and Peer Influences in Predicting Adult Criminal Behavior
1Department of Criminal Justice and Criminology, Sam Houston State University, P.O. Box 2296, Huntsville, TX, 77341-2296, USA. yxl007@shsu.edu.
The Psychiatric Quarterly
|May 11, 2016
Summary
Genetic factors may influence antisocial behavior by interacting with environmental exposures like peer groups. This study explored how a specific gene variant affects the link between delinquent peers and criminal behavior in youth.
Area of Science:
- Behavioral genetics
- Developmental psychology
- Criminology
Background:
- Genetic risk factors can moderate environmental influences on human behavior.
- Gene-environment interactions are crucial for understanding outcomes like antisocial and aggressive behaviors.
Purpose of the Study:
- To investigate if a specific gene polymorphism influences the relationship between deviant peer exposure and criminogenic behavior.
- To expand research on gene-environment interactions in developmental behavioral science.
Main Methods:
- Utilized data from the National Youth Survey Family Study.
- Examined a polymorphism in the promoter region of the MAOA gene.
- Assessed the predictive relationship between exposure to deviant peer groups and criminogenic behavior, conditioned by genotype.
Main Results:
- Findings provided mixed evidence for gene-environment interaction.
- The MAOA gene polymorphism showed some capacity to condition the influence of delinquent peer affiliation on antisocial behavior.
Conclusions:
- Genotype may play a role in moderating the impact of peer influences on antisocial development.
- Further research is needed to clarify the complex interplay between MAOA genotype, peer affiliation, and antisocial outcomes.
Related Concept Videos
01:23Influence of Parents and Peers on Identity
690
Adolescence is a pivotal period of identity formation, during which individuals begin to answer questions central to their sense of self, such as "Who am I?" and "Who do I hope to become?" Both parents and peers play critical roles in guiding adolescents through this complex developmental phase.
Parental Influence on Identity Development
Parents serve as primary guides and managers in an adolescent's life, offering support instrumental in decision-making and personal growth....
Parental Influence on Identity Development
Parents serve as primary guides and managers in an adolescent's life, offering support instrumental in decision-making and personal growth....
690
01:28Causes of Social Behavior III: Biological and Environmental Influences
409
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...
409
01:15Causes of Social Behavior II: Cognitive Processes
256
Cognitive processes affect social behavior by guiding how individuals perceive, interpret, and respond to social stimuli. These mental processes enable individuals to assess others' behaviors, attribute causes to their actions, and form expectations based on past experiences.Causes of Behavior and Social JudgmentsIndividuals determine the causes of others' behaviors by distinguishing between personal traits and external circumstances. For example, if a friend frequently arrives late, an...
256
01:21Secondary Motives: Affiliation Motivation and Aggression Motivation
895
Affiliation motivation is the intrinsic desire to connect with others and belong to a social group, which plays a crucial role in forming and maintaining personal relationships. This type of motivation is essential for psychological well-being, as it provides individuals with a sense of community and support. An example of this is a student who joins a study group in order to feel a sense of connection. People with high affiliation motivation actively seek social approval, take satisfaction in...
895
01:30Social Cognitive Perspective on Personality
1.3K
Social cognitive perspectives on personality emphasize the importance of conscious awareness, beliefs, expectations, and goals in shaping behavior. These perspectives incorporate behaviorist principles, such as learning through reinforcement and conditioning, but extend beyond them by highlighting human reasoning and planning. Unlike traditional behaviorist views, social cognitive theory focuses on how individuals reflect on their past experiences and plan for future outcomes by considering...
1.3K
01:30Causes of Social Behavior I: Actions and Characteristics of Individuals
418
The actions and characteristics of others heavily influence the causes of social behaviors. Emotional expressions serve as powerful social signals, shaping behaviors and interactions in significant ways. Whether through direct observation or subconscious processing, individuals constantly adjust their responses based on the emotions and attributes of those around them.Emotional Cues and Social ResponsesFacial expressions, tone of voice, and body language provide crucial emotional cues that...
418