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Related Concept Videos

Introduction to Psychological Disorders01:19

Introduction to Psychological Disorders

Abnormal behavior, often referred to as mental illness, results from changes in brain function that influence thought patterns, behaviors, and social interactions. Psychologists and psychiatrists typically assess abnormal behavior using three primary criteria: deviance, maladaptation, and personal distress, particularly when these traits persist over long periods.
Deviant Behavior
Deviance in behavior refers to actions or thought patterns that significantly diverge from societal norms or...
Stress and Mental Health01:30

Stress and Mental Health

Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...
Bullying02:04

Bullying

A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is bullying.
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
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.

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Related Experiment Video

Updated: Jul 3, 2026

Transcranial Direct Current Stimulation for Online Gamers
06:01

Transcranial Direct Current Stimulation for Online Gamers

Published on: November 9, 2019

Exploring Associations Between Problematic Internet Use and Physical Symptoms Associated With Mental Disorders Among

Danielé Dambrauskaité1,2, Orsolya Király3,4, Zsolt Demetrovics3,5,4

  • 1Faculty of Medicine, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.

Neuropsychopharmacologia Hungarica : a Magyar Pszichofarmakologiai Egyesulet Lapja = Official Journal of the Hungarian Association of Psychopharmacology
|July 2, 2026
PubMed
Summary

Problematic internet use (PIU) in young adults is linked to physical symptoms like pain and fatigue, even when accounting for anxiety and depression. This highlights a connection between excessive online behavior and somatic complaints in students.

Keywords:
internet addiction disorderanxietydepressionmedically unexplained symptomsmental disorders

Related Experiment Videos

Last Updated: Jul 3, 2026

Transcranial Direct Current Stimulation for Online Gamers
06:01

Transcranial Direct Current Stimulation for Online Gamers

Published on: November 9, 2019

Area of Science:

  • Psychiatry
  • Psychology
  • Public Health

Background:

  • Limited data exists on the link between problematic internet use (PIU) and physical symptoms, especially in student populations.
  • Understanding this relationship is crucial for addressing mental and physical health comorbidities.

Purpose of the Study:

  • To investigate the association between problematic internet use (PIU) and physical symptoms in adults.
  • To determine if PIU correlates with specific somatic complaints linked to mental disorders.

Main Methods:

  • An anonymous online survey was administered to 207 students (mean age 23 ± 3 years, 83.6% women).
  • Validated questionnaires assessed PIU (PIUQ-9), physical symptoms (PHQ-15), depression (PHQ-9), and anxiety (GAD-7).

Main Results:

  • Significant correlations were found between PIU scores and physical symptoms.
  • Multivariable regression, adjusted for covariates, revealed PIU was associated with extremity/joint pain, sexual dysfunction, chest pain, and fatigue.

Conclusions:

  • High levels of problematic internet use (PIU) in young adults are associated with physical symptoms, independent of age, sex, depression, and anxiety.
  • These findings suggest PIU may contribute to medically unexplained symptoms in students, warranting further investigation.