Related Experiment Video
Updated: Jul 10, 2025
07:57
A New Method for Inducing a Depression-Like Behavior in Rats
Published on: February 22, 2018
21.0K
Characterizing positive and negative valence systems function in adolescent depression: An RDoC-informed approach
Kaylin E Hill1, Samantha Pegg1, Anh Dao1
1Department of Psychology and Human Development, Vanderbilt University, USA.
Journal of Mood and Anxiety Disorders
|November 20, 2023
Summary
Adolescent depression is linked to altered emotional processing. A data-driven approach identified two subgroups: one with blunted responsiveness, showing more severe depression symptoms and diagnoses.
Area of Science:
- Neuroscience
- Adolescent Psychiatry
- Computational Psychiatry
Background:
- Depression is a common and severe adolescent disorder requiring better understanding of its underlying mechanisms.
- The Research Domain Criteria (RDoC) framework highlights Positive Valence Systems (PVS) and Negative Valence Systems (NVS) in depression, but their specific alterations remain unclear.
- Existing research often shows inconsistent and small associations between individual neural measures and depressive symptoms.
Purpose of the Study:
- To characterize depression in adolescents using a data-driven approach integrating multiple neural measures.
- To identify subgroups based on PVS and NVS function in adolescents at clinical high risk for depression.
- To investigate the relationship between identified subgroups and depressive symptomatology and diagnosis.
Main Methods:
- Utilized electroencephalogram (EEG) to assess neural measures related to PVS and NVS in 129 adolescents (14-17 years old).
- Employed k-means cluster analysis to identify distinct subgroups based on integrated neural data.
- Oversampled participants for clinical depression and maternal history of depression to increase relevance.
Main Results:
- A two-cluster solution emerged: one cluster with attenuated reward and emotion responsiveness, and another with intact responsiveness.
- Adolescents in the attenuated responsiveness cluster reported significantly higher depressive symptoms.
- Youth in the attenuated cluster were more likely to meet criteria for major depressive disorder.
- Individual neural measures showed non-significant associations with depressive symptoms.
Conclusions:
- Innovative, data-driven neuroscience approaches are crucial for characterizing emotional processing in adolescent depression.
- Identifying subgroups based on integrated neural function, rather than single measures, offers a more robust characterization of depression.
- These findings underscore the potential of RDoC-guided research for advancing clinical utility in adolescent depression treatment.
Related Concept Videos
01:27Depressive Disorders: Etiology
103
Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
103
03:00Self-Evaluation: Self-Enhancement and Self-Verification
5.2K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
5.2K
01:25Cognitive Therapy
153
Cognitive therapy, pioneered by Aaron T. Beck in the 1960s, is a structured approach to addressing psychological distress by focusing on the influence of thoughts on emotions and behaviors. All cognitive therapies involve the basic assumption that human beings have control over their feelings, and that how individuals feel about something depends on how they think about it. Unlike psychoanalytic methods that delve into unconscious processes or humanistic approaches emphasizing...
153
01:30Socioemotional Development during Infancy
55
Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Primary Temperament Types
55
01:22Traits, Mood, and Subjective Wellbeing
79
Subjective well-being (SWB) refers to an individual's self-evaluation of their overall life satisfaction, happiness, and fulfillment. This multifaceted construct is typically assessed by analyzing the balance of positive and negative emotions alongside perceptions of life satisfaction. Personality traits such as neuroticism and extraversion are strongly associated with variations in SWB, offering critical insights into the underlying mechanisms of emotional well-being.
Neuroticism and...
Neuroticism and...
79
01:18Depression: Overview
254
Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
254