A developmental disorder is any condition that appears at some stage in a child's development and delays the development of one or more psychological functions, such as language skill. Developmental disorders include psychological and physical disorders, for example autism or dyslexia. Developmental disorders are an impairment in the normal development of motor or cognitive skills that are developed before age 22. They are usually expected to continue indefinitely, and there usually is no cure.
Developmental disorders can be grouped into specific developmental disorder and pervasive developmental disorders.
They are sometimes equated with developmental disabilities.
Read more about Developmental Disorder: Emergence of Developmental Disorders, Types of Developmental Disorders
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“When the soul drifts uncertainly between life and the dream, between the mind’s disorder and the return to cool reflection, it is in religious thought that we should seek consolation.”
—Gérard De Nerval (1808–1855)