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Pervasive developmental disorder not otherwise specified (PDD-NOS), which includes atypical autism, and is the most common (47% of autism diagnoses); [10] Typical autism, the best-known; Asperger syndrome (9% of autism diagnoses); Rett syndrome; and; Childhood disintegrative disorder (CDD).
PDD-NOS is not a current part of the Diagnostic and Statistical Manual of Mental Disorders typology (as of the DSM-5), which is the most common diagnostic typology used in the United States. In the still used (though deprecated) ICD-10, it is considered "atypical autism" and "pervasive developmental disorder, unspecified". [8]
Dysthymia (/ d ɪ s ˈ θ aɪ m i ə / dihs-THIY-mee-uh), also known as persistent depressive disorder (PDD), [3] is a mental and behavioral disorder, [5] specifically a disorder primarily of mood, consisting of similar cognitive and physical problems as major depressive disorder, but with longer-lasting symptoms.
.21 Mild.22 Moderate.23 Severe without psychotic features.24 Severe with psychotic features.20 Unspecified.3x Major depressive disorder, recurrent .36 In full remission.35 In partial remission.31 Mild.32 Moderate.33 Severe without psychotic features.34 Severe with psychotic features.30 Unspecified; 300.4 Dysthymic disorder; 311 Depressive ...
Developmental disability is a diverse group of chronic conditions, comprising mental or physical impairments that arise before adulthood. Developmental disabilities cause individuals living with them many difficulties in certain areas of life, especially in "language, mobility, learning, self-help, and independent living". [1]
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]
Most of the other disorders diagnosed in infancy, childhood, or adolescence involve anxiety. If the child is continually put in anxiety producing situations, they could show symptoms of these disorders. Usually, the symptoms will be mild and the child will not get help, which may cause the symptoms to become worse. [21]
Neurodevelopmental disorders are a group of mental conditions affecting the development of the nervous system, which includes the brain and spinal cord.According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, published in 2013, these conditions generally appear in early childhood, usually before children start school, and can ...