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      Pervasive Developmental Disorders and Autism Spectrum Disorders: Are These Disorders One and the Same?

      brief-report

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          Abstract

          The concept of pervasive developmental disorders (PDD) and autism spectrum disorders (ASD) closely resemble each other. Both ICD-10 and DSM-IV use the term PDD. The authors surveyed the perception of PDD/ASD and attitudes toward terminology. The subjects of this study were 205 medical/social-welfare professionals working in fields relating to developmental disorders. Questionnaires were mailed to site investigators at the collaborating institutes. With regard to what the scope of ASD and PDD encompasses, the answers were almost equally divided among three views: ASD and PDD are the same, PDD is wider in scope and ASD is wider. The terms PDD and autism were used in slightly different ways depended upon the situation. Our results demonstrate that the parameters of PDD and ASD are unclear and that the terms related to PDD/ASD are often used differently. Further studies are required to develop more clear and reliable diagnostic criteria for PDD.

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          Diagnostic and statistical manual of mental disorders.

          Vijay A. Mittal, Elaine Walker (2011)
          Article 0 comments Cited 3519 times – based on 0 reviews     Review now
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            Autistic disturbances of affective contact.

            L Kanner (1968)
            Article 0 comments Cited 226 times – based on 0 reviews     Review now
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              The epidemiology of autism: a review

              ERIC FOMBONNE (1999)
              Psychological Medicine, 29(4), 769-786 ["There is some uncertainty about the rate and correlates of autism.", "Twenty-three epidemiological surveys of autism published in the English language between 1966 and 1998 were reviewed.", "Over 4 million subjects were surveyed; 1533 subjects with autism were identified. The methodological characteristics of each study are summarized, including case definition, case-finding procedures, participation rates and precision achieved. Across surveys, the median prevalence estimate was 5·2/10000. Half the surveys had 95% confidence intervals consistent with population estimates of 5·4–5·5/10000. Prevalence rates significantly increased with publication year, reflecting changes in case definition and improved recognition; the median rate was 7·2/10000 for 11 surveys conducted since 1989. The average male/female ratio was 3·8[ratio ]1, varying according to the absence or presence of mental retardation. Intellectual functioning within the normal range was reported in about 20% of subjects. On average, medical conditions of potential causal significance were found in 6% of subjects with autism, with tuberous sclerosis having a consistently strong association with autism. Social class and immigrant status did not appear to be associated with autism. There was no evidence for a secular increase in the incidence of autism. In eight surveys, rates for other forms of pervasive developmental disorders were two to three times higher than the rate for autism.", "Based on recent surveys, a minimum estimate of 18·7/10000 for all forms of pervasive developmental disorders was derived, which outlines the needs in special services for a large group of children."]
              Article 0 comments Cited 98 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Psychiatry Investig
                Journal ID (publisher-id): PI
                Title: Psychiatry Investigation
                Publisher: Korean Neuropsychiatric Association
                ISSN (Print): 1738-3684
                ISSN (Electronic): 1976-3026
                Publication date (Print): March 2011
                Publication date (Electronic): 24 October 2010
                Volume: 8
                Issue: 1
                Pages: 67-70
                Affiliations
                [1 ]Psycho-Developmental Clinic, Sapporo Medical University Hospital, Sapporo, Japan.
                [2 ]Department of Neuropsychiatry, Sapporo Medical University, School of Medicine, Sapporo, Japan.
                [3 ]Department of Psychiatry, Tohoku University, Graduate School of Medicine, Sendai, Japan.
                [4 ]Kanagawa Psychiatric Center, Serigaya Hospital, Yokohama, Japan.
                [5 ]Psychiatry, Izumihara Hospital, Shunan, Japan.
                [6 ]Department of Psychiatry, School of Medicine, Fukuoka University, Fukuoka, Japan.
                Author notes
                Correspondence: Masaru Tateno, MD, PhD. Department of Neuropsychiatry, Sapporo Medical University, School of Medicine, South-1, West-16, Chuo-ku, Sapporo 0608543, Japan. Tel: +81-11-611-2111, Fax: +81-11-644-3041, tatema@ 123456sapmed.ac.jp
                Article
                DOI: 10.4306/pi.2011.8.1.67
                PMC ID: 3079189
                PubMed ID: 21519540
                SO-VID: 2457c1cf-4856-449d-b567-eb095a9b49ae
                Copyright © Copyright © 2011 Korean Neuropsychiatric Association
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 26 June 2010
                Date revision received : 18 September 2010
                Date accepted : 24 September 2010
                Categories
                Subject: Brief Report

                ScienceOpen disciplines: Clinical Psychology & Psychiatry
                Keywords: autism,pervasive developmental disorders,autism spectrum disorders,diagnostic criteria,asperger's syndrome
                Data availability:
                ScienceOpen disciplines: Clinical Psychology & Psychiatry
                Keywords: autism, pervasive developmental disorders, autism spectrum disorders, diagnostic criteria, asperger's syndrome

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