Related Experiment Video

Updated: Aug 9, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

Adult psychiatric disorders in psychiatrically ill young adolescents

R A Weller, E B Weller, B Herjanic

    The American Journal of Psychiatry
    |December 1, 1983
    PubMed

    More Related Videos

    Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats09:12

    Three Laboratory Procedures for Assessing Different Manifestations of Impulsivity in Rats

    Published on: March 17, 2019

    Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study07:30

    Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

    Published on: August 18, 2020

    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...
    Diagnostic and Statistical Manual of Mental Disorders (DSM)01:27

    Diagnostic and Statistical Manual of Mental Disorders (DSM)

    The Diagnostic and Statistical Manual of Mental Disorders (DSM) serves as the primary classification system for mental health disorders, providing standardized diagnostic criteria for clinicians and researchers. First published by the American Psychiatric Association (APA) in 1952, the DSM has undergone several revisions to reflect evolving psychiatric understanding. The fifth edition, DSM-5, released in 2013, introduced key updates that expanded diagnostic categories and modified diagnostic...
    Schizophrenia01:17

    Schizophrenia

    Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those diagnosed.
    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.
    Oppositional Defiant Disorder01:30

    Oppositional Defiant Disorder

    A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
    Diagnostic Criteria and...
    Conduct Disorder01:28

    Conduct Disorder

    Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...