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Related Concept Videos

Anxiety: Overview01:18

Anxiety: Overview

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Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
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Role of Cerebellum and Prefrontal Cortex in Memory01:14

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The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
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Social Anxiety Disorder01:28

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Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
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Generalized Anxiety Disorder01:30

Generalized Anxiety Disorder

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Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
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Personality Theory by Eysenck and Eysenck01:29

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Hans and Sybil Eysenck developed a widely recognized theory of personality, which emphasizes the role of temperament and genetically based differences in shaping individual traits. Their theory posits that biological factors primarily determine personality and can be understood through two main dimensions: extroversion/introversion and neuroticism/stability.
In the extroversion/introversion dimension, highly extroverted people are sociable, outgoing, and easily connect with others. In contrast,...
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Traits and States01:17

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Personality traits represent consistent patterns in behavior, thoughts, and emotions, reflecting an individual's tendencies across various situations. For example, extraversion, a well-known trait, manifests in individuals as talkative, energetic, and enthusiastic behaviors. These traits are stable over time, offering a reliable framework for predicting how people might act in different contexts. However, they do not define every moment of an individual's life. In contrast to traits,...
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Related Experiment Video

Updated: Sep 12, 2025

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Fronto-Parietal and Cerebellar Circuits Characterize Individuals With Higher Trait Anxiety.

Teresa Baggio1, Alessandro Grecucci1,2, Fabrice Crivello3

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Young individuals with higher trait anxiety show distinct brain network differences, including altered grey and white matter concentrations. They also exhibit increased stress, impulsivity, and maladaptive coping strategies, aiding early intervention development.

Keywords:
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Area of Science:

  • Neuroscience
  • Psychiatry
  • Machine Learning

Background:

  • Anxiety disorders significantly impact young individuals, particularly during adolescence and young adulthood.
  • Anxiety is associated with psychological traits like impulsivity, aggression, and coping strategies.
  • Understanding the neural underpinnings of trait anxiety is crucial for early intervention.

Purpose of the Study:

  • To comprehensively analyze trait anxiety in young individuals using advanced machine learning.
  • To identify joint grey-white matter networks associated with higher versus lower trait anxiety.
  • To characterize psychological dimensions, including coping strategies, in higher anxiety individuals.

Main Methods:

  • Employed Parallel Independent Component Analysis (ICA), a data fusion technique.
  • Analyzed a sample of young individuals divided into lower (n=252) and higher (n=302) anxiety groups.
  • Investigated neuroanatomical differences and psychological correlates of trait anxiety.

Main Results:

  • Identified a fronto-parieto-cerebellar network with decreased grey matter concentration in higher anxiety individuals.
  • Found a parieto-temporal network with increased white matter concentration, highlighting insula and precuneus involvement.
  • Observed higher stress, cognitive and motor impulsivity, and avoidance/emotional coping in the higher anxiety group.

Conclusions:

  • Distinct neuroanatomical networks are associated with trait anxiety in young individuals.
  • Psychological factors like impulsivity and coping styles are linked to higher anxiety.
  • Findings contribute to understanding anxiety's neural basis and support targeted interventions.