Psychoses of the Schizophrenic Spectrum in Twins [electronic resource] : A Discussion on the Nature — Nurture Debate in the Etiology of “Endogenous” Psychoses /

The diagnostic dilemma in psychiatry -- The nature - nurture controversy -- Methods of clinical genetics in psychiatry -- General remarks on twin origination -- Biology of twin origination -- Frequency of twin births -- The twins method in research -- Characteristics of the twin constellation -- The methodological basis of twin research -- Classical twin studies in schizophrenia research -- Severity of illness and concordance rates -- Concordance/discordance and familial pattern -- Concordance/discordance and handedness -- Concordance rate of dizygotic twins and other sibling morbidity rate -- Monozygotic twins reared apart -- Frequency of schizophrenia in twins -- Studies of monozygotic twin pairs discordant for schizophrenia -- Further questions -- Methodology of a systematic twin study -- Twin survey methodology and zygosity diagnosis -- Methodology of psychiatric diagnostics -- Determining the criteria for concordance/discordance -- Selection of further test variables -- Results -- Results of the twin survey and zygosity diagnosis -- Psychiatric diagnoses -- Demographic data of the subjects -- Concordance rates -- Case studies -- Summary of the family history -- Birth history in the intra-pair comparison -- Role assignment in the twin constellation -- Handedness of test persons -- Discussion -- Role assignment (dominant/subordinate) and handedness .... -- Comparability of diagnoses -- Demographic data in polydiagnostic comparison -- Varying genetic dispositions -- The absence of schizophrenic subgroups among twins -- The influence of pre- and perinatal complications -- The role of prenatal developmental disorders -- Acknowledgements.

Bibliographic Details

Main Authors:	Franzek, Ernst. author., Beckmann, Helmut. author., SpringerLink (Online service)
Format:	Texto biblioteca
Language:	eng
Published:	Vienna : Springer Vienna : Imprint: Springer, 1999
Subjects:	Medicine., Human genetics., Neurosciences., Neurology., Psychiatry., Neuropsychology., Medicine & Public Health., Human Genetics.,
Online Access:	http://dx.doi.org/10.1007/978-3-7091-6353-5
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