Related Experiment Video

Updated: Aug 17, 2026

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
13:08

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia

Published on: December 2, 2015

IQ and child psychiatric disorder

J H Beitchman, P Patterson, B Gelfand

    Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie
    |February 1, 1982
    PubMed

    Insights

    Children in psychiatric care showed lower full scale IQ and verbal IQ scores compared to the general population. These cognitive scores, particularly verbal IQ, were linked to aggressive and hyperkinetic symptoms in childhood psychiatric disorders.

    Area of Science:

    • Child Psychology
    • Psychiatry
    • Educational Psychology

    Background:

    • Intellectual Quotient (IQ) is a key cognitive measure.
    • Understanding cognitive profiles in childhood psychiatric disorders is crucial for effective intervention.
    • Previous research has explored cognitive differences in clinical populations, but specific symptom associations require further investigation.

    Purpose of the Study:

    • To compare the IQ scores of children in a psychiatric treatment center with the standard normal population.
    • To investigate the association between IQ variables (Full Scale IQ, Verbal IQ, Performance IQ) and specific symptom subtypes in children.
    • To highlight the role of IQ, especially Verbal IQ, in understanding childhood psychiatric disorders.

    Main Methods:

    • A sample of 85 children (ages 7-12) from a Regional Treatment Centre participated.
    • WISC-RIQ scores were collected and compared to standard population norms.
    • Analysis of variance (ANOVA) was employed to test for associations between IQ scores and seven defined symptom subtypes.

    Main Results:

    • Significant differences were observed in the distribution and means of Full Scale IQ and Verbal IQ between the clinical sample and the standard population.
    • No significant differences were found for Performance IQ.
    • Significant associations emerged between Full Scale IQ and aggressive symptoms, and between Verbal IQ and hyperkinetic/aggressive symptoms.

    Conclusions:

    • Children with psychiatric disorders exhibit distinct IQ profiles, with lower Full Scale and Verbal IQ.
    • Verbal IQ is particularly important for understanding the nature of childhood psychiatric disorders.
    • Findings have implications for educational policy and targeted interventions for children with psychiatric conditions.

    More Related Videos

    Using Brain Activation (nir-HEG/Q-EEG) and Execution Measures (CPTs) in a ADHD Assessment Protocol13:09

    Using Brain Activation (nir-HEG/Q-EEG) and Execution Measures (CPTs) in a ADHD Assessment Protocol

    Published on: April 1, 2018

    The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients05:48

    The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients

    Published on: June 12, 2020

    Related Concept Videos

    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...
    Dissociative Identity Disorder01:30

    Dissociative Identity Disorder

    Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
    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;...
    Intellectual Disability01:29

    Intellectual Disability

    Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...