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Schizotypal Traits Among Patients With Schizophrenia, Their Nonpsychotic Firstdegree Relatives, and Normal Controls
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نویسنده
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Mohammadzadeh Ali ,Khosravani Vahid ,Mahdavai Heris Nadereh
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منبع
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مطالعات روانشناسي باليني - 2019 - دوره : 9 - شماره : 33 - صفحه:63 -78
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چکیده
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Background and objective: evidence has suggested that risk for schizophrenia is likely to occur in nonpsychotic firstdegree relatives of patients with schizophrenia. on the other hand, schizotypal personality disorder is genetically related to schizophrenia. the aim of this study was to compare schizotypal traits (i.e., positive schizotypy, negative schizotypy, cognitive disorganization, and impulsive nonconformity) among patients with schizophrenia and their nonpsychotic firstdegree relatives as well as normal controls. methods: thirtyfour patients with schizophrenia and 50 of their nonpsychotic firstdegree relatives as well as 34 normal controls were included in this study. the data were collected by the oxfordliverpool inventory of feelings and experiences, short version (solife). results: the results showed that the three groups were significantly different from each other regarding mean scores of schizotypal traits. patients with schizophrenia and their nonpsychotic firstdegree relatives exceeded normal controls on schizotypal traits. patients with schizophrenia had higher scores on total schizotypal traits, positive schizotypy, cognitive disorganization, and impulsive nonconformity than their nonpsychotic firstdegree relatives. conclusion: the findings revealed that hereditary factors had an important role in the development of schizophrenia spectrum disorders and it is explainable by the stressvulnerability model.
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کلیدواژه
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Schizophrenia ,Schizotypal Traits ,Firstdegree Relatives ,Normal Controls ,Stressvulnerability Model
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آدرس
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Payam-E-Noor University, Department Of Psychology, Iran, Shahid Beheshti University Of Medical Sciences, Clinical Research Development Center Of Loghmann, Iran, Islamic Azad University, Tabriz Branch, Iran
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پست الکترونیکی
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nadere.mah@gmail.com
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Schizotypal Traits among Patients with Schizophrenia, Their NonPsychotic FirstDegree Relatives, and Normal Controls
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Authors
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Mahdavai Heris Nadereh ,Khosravani Vahid
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Abstract
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Background and objective: Evidence has suggested that risk for schizophrenia is likely to occur in nonpsychotic firstdegree relatives of patients with schizophrenia. On the other hand, schizotypal personality disorder is genetically related to schizophrenia. The aim of this study was to compare schizotypal traits (i.e., positive schizotypy, negative schizotypy, cognitive disorganization, and impulsive nonconformity) among patients with schizophrenia and their nonpsychotic firstdegree relatives as well as normal controls. Methods: Thirtyfour patients with schizophrenia and 50 of their nonpsychotic firstdegree relatives as well as 34 normal controls were included in this study. The data were collected by the OxfordLiverpool Inventory of Feelings and Experiences, short version (sOLIFE). Results: The results showed that the three groups were significantly different from each other regarding mean scores of schizotypal traits. Patients with schizophrenia and their nonpsychotic firstdegree relatives exceeded normal controls on schizotypal traits. Patients with schizophrenia had higher scores on total schizotypal traits, positive schizotypy, cognitive disorganization, and impulsive nonconformity than their nonpsychotic firstdegree relatives. Conclusion: The findings revealed that hereditary factors had an important role in the development of schizophrenia spectrum disorders and it is explainable by the stressvulnerability model.
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Keywords
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Schizophrenia ,Schizotypal traits ,Firstdegree relatives ,Normal controls ,Stressvulnerability model
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