Intellectual Developmental Disorder (Severe)

Severe intellectual developmental disorder is characterized by pronounced limitations in intellectual and adaptive functioning, necessitating extensive support for self-care and communication. Etiologies often include chromosomal anomalies, metabolic disorders, or perinatal insults. Clinical features involve significant dependence in daily activities, limited speech, and social deficits. Diagnosis is based on standardized assessments and functional evaluation. Management requires structured environments, multidisciplinary interventions, and comprehensive caregiving, with prognosis reflecting lifelong dependence.