Personal Research Database
Title: Schizophrenia Bulletin
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- Title: Schizophrenia Research
Title: Schizophrenia BulletinFull Journal Title: Schizophrenia Bulletin ISO Abbreviated Title: JCR Abbreviated Title: ISSN:
Issues/Year: Journal Country/Territory: Language: Publisher: Publisher Address: Subject Categories: : Impact Factor ? Nordgaard, J., Arnfred, S.M., Handest, P. and Parnas, J. (2008), The diagnostic status of first-rank symptoms. Schizophrenia Bulletin, 34 (1), 137-154. Abstract: Objective: In the International Statistical Classification of Diseases, Tenth Revision(ICD-10) and Diagnostic and Statistical Manual of Mental Disorder, Third and Fourth Edition(DSM-III-IV), the presence of one of Schneider “first-rank symptoms” (FRS) is symptomatically sufficient for the schizophrenia diagnosis. Yet, it has been claimed that FRS may also be found in the nonschizophrenic conditions, and therefore, they are not specific or diagnostic for schizophrenia. This review was made to clarify the issue of diagnostic specificity. Methods: (1) A critical review of FRS studies published in English between 1970 and 2005. (2) A highlight of the 5 most frequently cited studies identified in the Web of Science. (3) Theoretical implications of the epistemological issues of FRS. Results: The reviewed studies do not allow for either a reconfirmation or a rejection of Schneider’s claims about FRS. The sources of disagreement between the studies are (1) including or excluding acute patients with potential degradation of consciousness; (2) assessing or not the phenomenological context; (3) assessing patients in different stages of their illness evolution; and (4) differential emphasis on mood symptoms and history of psychiatric symptoms. Conclusion: Both DSM-IV and ICD-10 emphasize FRS to a degree that is not supported by the empirical evidence. Until the status of FRS is clarified in depth, we suggest that the FRS, as these are currently defined, should be de-emphasized in the next revisions of our diagnostic systems. Future studies aiming at validation of FRS as diagnostic features need to apply a phenomenological perspective and include a homogenous group of patients across a wide spectrum of diagnoses. Keywords: 1st Rank Symptoms, Acute, Classification, Criteria, Diagnosis, Diagnostic Systems, Diseases, DSM-IV, Follow-up, History, Illness, Kurt Schneider, Methods, Mood, Patients, Prevalence, Prognostic Implications, Psychosis, Review, Schizophrenia, Schizophrenia, Schneiderian Symptoms, Science, Specificity, Subjective Experience, Symptoms, Validation, Web of Science Title: Schizophrenia ResearchFull Journal Title: Schizophrenia Research ISO Abbreviated Title: JCR Abbreviated Title: ISSN:
Issues/Year: Journal Country Language: Publisher: Publisher Address: Subject Categories: : Impact Factor Takei, N., Verdoux, H. and Nanko, S. (1996), Schizophrenia research activities in non-English speaking countries (13 EEC and 4 Asian countries): A MEDLINE survey. Schizophrenia Research, 18 (2-3), 245. Full Text: S\Sch Res18, 245.pdf Abstract: We investigated schizophrenia research activities in 17 non-English speaking countries (13 EEC and 4 Asian countries) via a MEDLINE survey for publications of English-written papers over a period of 1990-94. The averaged yearly numbers of all papers related to schizophrenia research that had appeared in MEDLINE were 45 (Germany), 40 (Japan), 26 (Sweden), 20 (Italy), 14 (Denmark), 10 (France), 9 (Netherlands), 8 (Finland), 7 (Spain), 5 (Austria), 3 (Belgium, Taiwan, and Greece), 2 (China and South Korea), and nil (Luxembourg and Portugal). Ten countries which produced more than 4 papers per year were further examined in terms of influence of research outputs. We only counted the papers which were published in main psychiatric journals with impact factor (a measure of how influential the paper is in research communication) above one. The yearly numbers of communicable papers adjusted for the number of doctors (per 10,000 doctors) in each country were as follows: 6.6 (Denmark), 4.9 (Sweden), 3.8 (Finland), 1.4 (Netherlands), 1.3 (Germany), 0.7 (Japan), 0.6 (Austria), 0.4 (Italy), 0.3 (France), and 0.2 (Spain). ? Theander, S.S. and Wetterberg, L. (2010), Schizophrenia in Medline 1950-2006: A bibliometric investigation. Schizophrenia Research, 118 (1-3), 279-284. Full Text: 2010\Sch Res118, 279.pdf Abstract: The aim was to perform a bibliometric study, and compare the quantity of publications on schizophrenia with the total medical literature in Medline during 57 years, 1950-2006. The annual additions of literature to Medline are continually increasing and form the Medline growth curve. Comparisons of the number of publications on schizophrenia, or any other disease, to this curve, may be used to estimate the research activity. Methods for the identification of relevant references to papers on schizophrenia were evaluated and three different samples were operationally defined, retrieved and counted. During 1950-2006, 16.28 million references were added to Medline. Nearly 68000, 0.42%, references were related to schizophrenia. The percentage of papers on schizophrenia among the psychiatric literature decreased from 5.2 to 2.6%. The present study indicates that the number of references on schizophrenia in Medline has followed the general increase of medical publications. This pattern differs compared to some other research fields such as dementia, HIV, and peptic ulcer. Samples of references on schizophrenia may be retrieved in Medline by operational definitions of search methods. The quantity of schizophrenia research during 57 years has kept pace with the total medical literature. One interpretation of the results is that more resources are needed to enhance research activities on schizophrenia. (C) 2009 Elsevier B.V. All rights reserved. Keywords: Activities, Bibliometric, Bibliometric Study, Bibliometrics, Bipolar Disorder, Dementia, Eating-Disorders, Elsevier, General Psychiatric Journals, Growth, History, HIV, Identification, Interpretation, Literature, Medical, Medical Literature, Medline, Methods, Number, Number of Publications, Publications, Research, Research Activity, Schizophrenia, Science, Trends
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