نتایج جستجو برای: pervasive developmental disorders pdd

تعداد نتایج: 789796  

2012
Koray Karabekiroglu

Pervasive Developmental Disorders (PDD), also called Autism Spectrum Disorders (ASD), are defined in terms of abnormalities in social and communication development in the presence of marked repetitive behaviour and narrow interests (APA, 1994). The DSM-IV (APA, 1994) and ICD-10 (WHO, 1993) provide diagnostic criteria for autism and related disorders such as Asperger syndrome (AS), Rett’s, and c...

Journal: :Journal of autism and developmental disorders 2005
Deborah Fein Pamela Dixon Jennifer Paul Harriet Levin

Despite prominent attentional symptoms in Pervasive Developmental Disorders (PDD) the relationship between PDD and Attention Deficit Hyperactivity Disorder (ADHD) has received little direct examination. In addition, outcome studies of children with PDD often focus on language, educational placement, or adaptive skills, but seldom on loss of the PDD diagnosis or change to another clinical syndro...

Journal: :Psychiatry and clinical neurosciences 2010
Tomonori Koyama Eiko Inokuchi Naoko Inada Miho Kuroda Aiko Moriwaki Masatoshi Katagiri Madoka Noriuchi Yoko Kamio

We evaluated the utility of the Japanese version of the Checklist for Autism in Toddlers for predicting pervasive developmental disorders (PDD) among 2-year-old children in clinical settings. Confirmed diagnosis revealed that the pass rate on four items (social interest, proto-imperative pointing, proto-declarative pointing and joint-attention) was significantly lower in 52 PDD children than in...

2010
Bharat Biswal

Autism encompasses a broad range of brain disorders that, by conservative estimates, affects 1 in 500 children. Autism-Spectrum Disorders (ASDs) include Asperger’s Syndrome, Pervasive Developmental Disorder Not Otherwise Specified (PDD-NOS), Rett Syndrome (which affects only girls) and Autism. Autism Spectrum Disorders impair three main areas of human development: speech, communication and soci...

2009
Eric Fombonne Sara Quirke Arlene Hagen

The aims of this article are to provide an up-to-date review of the methodological features and substantive results of published epidemiological surveys of the prevalence of pervasive developmental disorders (PDD). This article updates previous reviews (1, 2) with the inclusion of new studies made available since then. The specific questions addressed inthis article are: a) how are cases of PDD...

Journal: :Journal of intellectual disability research : JIDR 2006
G Galli-Carminati I Chauvet N Deriaz

BACKGROUND In clients with pervasive developmental disorders (PDD), some authors have noticed the presence of gastrointestinal disorders and behavioural disorders. An augmented prevalence of different histological anomalies has also been reported. The aim of our study is to highlight the prevalence of gastrointestinal disorders in this adult with PDD sample and to demonstrate the importance of ...

Journal: :Journal of applied behavior analysis 2009
Louis P Hagopian David E Kuhn Geri E Strother

Social skills deficits are a defining feature of individuals diagnosed with autism and other pervasive developmental disorders (PDD), which can impair functioning and put the individual at higher risk for developing problem behavior (e.g., self-injury, aggression). In the current study, an adolescent with PDD displayed inappropriate social behavior (inappropriate comments, social withdrawal, an...

Journal: :AMIA ... Annual Symposium proceedings. AMIA Symposium 2007
Jess J. Shen Phil Hyoun Lee Jeanette J. A. Holden Hagit Shatkay

Pervasive Developmental Disorders (PDD) are neurodevelopmental disorders characterized by impairments in social interaction, communication and behavior. Given the diversity and varying severity of PDD, diagnostic tools attempt to identify homogeneous subtypes within PDD. Identifying subtypes can lead to targeted etiology studies and to effective type-specific intervention. Cluster analysis can ...

Journal: :Psychological medicine 2004
M B Lauritsen C B Pedersen P B Mortensen

BACKGROUND Based on prevalence studies and the few incidence studies of pervasive developmental disorders (PDDs) the prevalence and incidence of these disorders have been claimed to be increasing. METHOD The annual and age-specific prevalence and incidence rates of childhood autism, atypical autism, Asperger's disorder, and pervasive developmental disorder not otherwise specified (PDD-NOS) in...

Journal: :Acta medica Okayama 2013
Akihito Takeuchi Tatsuya Ogino Kaoru Hanafusa Teruko Morooka Makio Oka Takashi Yorifuji Yoko Ohtsuka

To clarify the relationship between attention deficit/hyperactivity disorder (AD/HD) and pervasive developmental disorders (PDD), we investigated the common features and differences of these disorders in neuropsychological profiles. The subjects were 4 groups of Japanese boys aged 6 to 15 years, categorized by diagnosis:AD/HD (n=20), PDD with comorbid AD/HD (PDD+:n=16), PDD without comorbid AD/...

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