Related Experiment Video
Updated: Jun 17, 2026
07:15
Social Defeat Stress Model for Adolescent C57BL/6 Male and Female Mice
Published on: March 15, 2024
Neurobehavioral evidence for changes in dopamine system activity during adolescence
Dustin Wahlstrom1, Tonya White, Monica Luciana
1Department of Psychology, University of Minnesota, Minneapolis, MN 55455, USA.
Neuroscience and Biobehavioral Reviews
|December 23, 2009
Summary
Adolescent risk-taking may stem from heightened dopamine system activity. This review explores dopamine
Area of Science:
- Neuroscience
- Developmental Psychology
- Behavioral Genetics
Background:
- Adolescence is marked by increased risk-taking and emotional changes.
- These behaviors are often linked to structural brain changes in key regions.
- Current understanding may be incomplete regarding neurochemical influences.
Purpose of the Study:
- To propose dopamine system overactivity as a key factor in adolescent behavior.
- To review evidence supporting the role of dopamine in adolescent development.
- To introduce a molecular genetic strategy for studying dopamine tone across development.
Main Methods:
- Review of existing animal data on dopamine system activity.
- Analysis of structural brain changes during human adolescence.
- Proposal of molecular genetic techniques for developmental dopamine assessment.
Main Results:
- Animal studies suggest a relative overactivity of the dopamine system in adolescence.
- This overactivity could explain observed behavioral changes.
- Molecular genetics offers a potential method to verify dopamine system status.
Conclusions:
- Dopamine system activity, particularly overactivity, is a plausible driver of adolescent behaviors.
- Further research using proposed genetic strategies is warranted.
- This perspective refines our understanding of adolescent behavioral regulation.
Related Concept Videos
01:30Attention-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.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
01:18Cognitive Development During Adolescence
During adolescence, individuals experience significant cognitive development that enhances their understanding of others' emotions and thoughts, known as cognitive empathy. This period is marked by an increased ability to adapt to others' perspectives and a more nuanced understanding of others' mental states, a skill that is foundational for social problem-solving and conflict avoidance. The development of cognitive empathy relies heavily on the theory of mind — the recognition that people have...
01:24Revisionist Views of Adolescent and Adult Cognition
A revisionist approach to Jean Piaget's theory of cognitive development has brought new insights that challenge and reinterpret his established ideas. Piaget proposed that the formal operational stage, emerging in adolescence, represents the culmination of cognitive maturity. During this stage, individuals are said to develop abstract thinking, engage in systematic problem-solving, and show a form of egocentrism, believing others are as preoccupied with their behavior as they are themselves.