Introduction to Encopresis Encopresis is a complex pediatric elimination disorder characterized by the repeated, often involuntary, passage of feces into inappropriate locations, such as undergarments or the floor, in children who have reached a developmental age where bowel control is typically expected. Generally diagnosed in children aged four years or older, this condition represents a […]
Introduction and Conceptual Definition Tic Disorder Not Otherwise Specified (TDNOS) functions as a necessary diagnostic category within the spectrum of neurodevelopmental movement disorders. This classification is applied to individuals who exhibit the cardinal symptoms of a tic disorder—namely, sudden, brief, repetitive, non-rhythmic movements or vocalizations—but whose clinical presentation does not meet the full, stringent criteria […]
Introduction and Definition of the Unspecified Category The diagnostic classification Disorders of Infancy, Childhood, or Adolescence Not Otherwise Specified, often abbreviated as NOS, represents a critical residual category within developmental psychopathology. This designation is employed when an individual, whose age falls within the defined developmental period, exhibits clinically significant psychological or behavioral symptoms that cause […]
Introduction and Definitional Scope of Phonological Dysgraphia Phonological dysgraphia is recognized within the field of cognitive neuropsychology as a specific type of acquired writing disorder, or dysgraphia, that severely impairs an individual’s capacity or ability to sound out terms or write them phonetically. This condition reflects a profound deficit in the system responsible for converting […]
Introduction to Transient Tic Disorder Transient Tic Disorder (TTD) is classified as a neurodevelopmental condition characterized by the presence of single or multiple motor and/or vocal tics that occur frequently throughout the day, nearly every day, for a specific, limited duration. Crucially, the defining characteristic of TTD is its time limitation: the symptoms must persist […]
Introduction and Definition of Elimination Disorders Elimination disorders constitute a category of conditions primarily characterized by the repeated, involuntary or intentional voiding of urine or feces in places or at times inappropriate according to societal norms and developmental expectations. These disorders are overwhelmingly diagnosed during childhood and early adolescence, though their impact can extend significantly […]
Historical Context and Nomenclature: The Shift from Atypical Pervasive to PDD-NOS The conceptualization and categorization of developmental disorders characterized by severe and pervasive impairments in multiple areas of functioning have undergone significant revisions within the various editions of the Diagnostic and Statistical Manual of Mental Disorders. Historically, the term Atypical Pervasive Developmental Disorder was employed, […]
Defining Pervasive Developmental Disorders (PDDs) in Historical Context Pervasive Developmental Disorders, or PDDs, constituted a significant residual diagnostic category within the fourth edition, text revision, of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR). This classification grouped together a spectrum of severe and complex neurodevelopmental conditions characterized by profound impairments in several core areas […]
Feeding and Eating Disorders of Infancy and Early Childhood The Core Definition and Scope The category of feeding and eating disorders of infancy and early childhood encompasses a range of pathological behaviors characterized by persistent disturbances in eating or feeding that result in altered consumption or absorption of nutrients. These disturbances typically manifest during the […]
Atypical Stereotyped-Movement Disorder Core Definition of Atypical Stereotyped-Movement Disorder Atypical Stereotyped-Movement Disorder (ASMD) is a distinctive condition characterized by the presence of repetitive, nonfunctional, and purposeless stereotyped movements. These motor behaviors are considered “atypical” when they do not fit neatly into other established diagnostic categories, such as Stereotypic Movement Disorder (SMD) often associated with other […]