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Pervasive Developmental Disorder Causes
pervasive developmental disorder causes




















The condition can seem to develop in days or develop over time, and most commonly begins in the fourth year of life, although there is some variation. CDD occurs in children who have had previously normal development who then appear to regress, sometimes rapidly. What are the common features of Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS) Poor social skills Experience difficulties interacting.The cause is unknown. Forty-eight juvenile delinquency cases, who were sent to a family court between April, 2002 and March, 2005, and diagnosed with Pervasive Developmental Disorder (PDD), were examined regarding the following characteristics: (1) demographic, cognitive and social profiles (sex, age, intellectual development, school register), (2) diagnostic subclasses of PDD, and (3) types (classification.

Pervasive Developmental Drder Causes Full Name For

Presentation SymptomsASD is an umbrella term that covers classic autism, Pervasive Developmental Disorder (PDD), Pervasive Developmental Disorder Not Otherwise Specified.sive Developmental Disorders (see chart at right): (1) Autistic Disor-der, (2) Rett’s Disorder, (3) Child-hood Disintegrative Disorder, (4) Asperger’s Disorder, and (5) Pervasive Developmental Disorder Not Otherwise Specified, or PDDNOS. ASD is a group of developmental disorders.CDD is extremely rare with an incidence of 1.7 in 100,000 children. As of 2013, PDD-NOS is now part of autism spectrum disorder (ASD). In the past, health experts viewed it as a separate subtype of autism. The full name for this disorder is pervasive developmental disorder not otherwise specified (PDD-NOS). EpidemiologyPervasive developmental disorder is a type of autism.

pervasive developmental disorder causes

Other rare metabolic/neurodegenerative conditions - eg, glycogen storage disorders. Creutzfeldt-Jacob disease/new variant CJD. Other specific conditions which need to be ruled out are: Some children describe or seem to be reacting to hallucinations.The differential diagnosis incudes any of the other pervasive developmental disorders, eg autistic spectrum disorder, Rett's Syndrome, pervasive developmental disorder - not otherwise specified (PDD-NOS), or causes of general learning disability.

Other antipsychotics, stimulants and selective serotonin reuptake inhibitors (SSRIs) are sometimes used in expert hands to help in the control of problematic behaviour, particularly aggression. However, there is little evidence of specific efficacy in CDD. Risperidone may be effective in improving behavioural symptoms in PDD. Environmental therapies such as sensory enrichment. Behavioural therapies, such as applied behaviour analysis, which aim to teach the child to relearn language, self-care and social skills systematically. Electroencephalogram (EEG), MRI or CT scan are likely to be used to ensure an alternative diagnosis has not been missed.Therapy is given, as with autism, tailored to the child's disabilities, needs and educational objectives.

pervasive developmental disorder causes

However, more recent studies suggest that mortality of people with autistic spectrum disorders is twice that of the general population, mainly due to complications of epilepsy. Life expectancy has previously been reported as normal. Risk of seizures increases throughout childhood, peaking at adolescence, and seizure threshold may be lowered by SSRIs and neuroleptics. Children will require lifelong support.

pervasive developmental disorder causes