Tag: pervasive developmental disorder

November 15, 2025 / Mohammed looti

PERVASIVE DEVELOPMENTAL DISORDER NOT OTHERWISE SPECIFIED (PDDNOS)

Introduction and Historical Context of PDDNOS The designation Pervasive Developmental Disorder Not Otherwise Specified (PDDNOS) served, under the criteria of the DSM-IV-TR, as a crucial yet often contentious residual classification for individuals presenting with significant developmental impairments that did not meet the precise diagnostic thresholds of the four specific Pervasive Developmental Disorders (PDDs): Autistic Disorder, […]

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November 14, 2025 / Mohammed looti

PDDNOS

Introduction to PDDNOS and Definition PDDNOS, an acronym standing for Pervasive Developmental Disorder Not Otherwise Specified, represented a crucial diagnostic category within the fourth edition of the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) and its subsequent text revision (DSM-IV-TR). This classification was utilized when an individual exhibited significant impairments in […]

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November 13, 2025 / Mohammed looti

ASPERGER’S SYNDROME,

ASPERGER’S SYNDROME Asperger’s Syndrome (AS), historically classified as a pervasive developmental disorder (PDD) within the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV), refers to a specific presentation of characteristics now understood as part of the broader Autism Spectrum Disorder (ASD). The syndrome is principally defined by significant and pervasive deficits in social […]

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November 8, 2025 / Mohammed looti

AUTISM

Definition and Historical Context of Autism Spectrum Disorder Autism, now clinically referred to as Autism Spectrum Disorder (ASD), represents a complex neurodevelopmental condition characterized by persistent deficits in social interaction and communication, coupled with restricted, repetitive patterns of behavior, interests, or activities. Historically recognized as a distinct entity, the term originated from clinical observations of […]

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