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Mapping psychotic‐like experiences: Results from an online survey.

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Title: Mapping psychotic‐like experiences: Results from an online survey.
Authors: Kusztrits, Isabella, Larøi, Frank, Laloyaux, Julien, Marquardt, Lynn, Sinkeviciute, Igne, Kjelby, Eirik, Johnsen, Erik, Sommer, Iris E., Hugdahl, Kenneth, Hirnstein, Marco
Source: Scandinavian Journal of Psychology. Apr2021, Vol. 62 Issue 2, p237-248. 12p. 1 Diagram, 7 Charts.
Subjects: Hallucinations, Delusions, Schizophrenia, Experience, Surveys, Questionnaires
Abstract: Suggestions have been made that psychotic‐like experiences (PLEs), such as hallucinatory and delusional experiences, exist on a continuum from healthy individuals to patients with a diagnosis of schizophrenia. We used the screening questions of the Questionnaire for Psychotic Experiences (QPE), an interview that captures the presence and phenomenology of various psychotic experiences separately, to assess PLEs in Norway. Based on data from an online survey in a sample of more than 1,400 participants, we demonstrated that the QPE screening questions show satisfactory psychometric properties. Participants with mental disorders reported more frequent lifetime and current hallucinatory experiences than participants without mental disorders. Childhood experiences were rather low and ranged from 0.7% to 5.2%. We further replicated findings that young age, illegal drug use, lower level of education, and having parents with a mental disorder are associated with higher endorsement rates of PLEs. Finally, a binomial regression revealed that the mere presence of PLEs does not discriminate between individuals with and without a mental disorder. Taken together, the findings of the present study support existing models that both hallucinations and delusions exist on a structural and phenomenological continuum. Moreover, we demonstrated that the QPE screening questions can be used by themselves as a complementary tool to the full QPE interview. [ABSTRACT FROM AUTHOR]
Copyright of Scandinavian Journal of Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Mapping psychotic‐like experiences: Results from an online survey.
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  Data: <searchLink fieldCode="AR" term="%22Kusztrits%2C+Isabella%22">Kusztrits, Isabella</searchLink><br /><searchLink fieldCode="AR" term="%22Larøi%2C+Frank%22">Larøi, Frank</searchLink><br /><searchLink fieldCode="AR" term="%22Laloyaux%2C+Julien%22">Laloyaux, Julien</searchLink><br /><searchLink fieldCode="AR" term="%22Marquardt%2C+Lynn%22">Marquardt, Lynn</searchLink><br /><searchLink fieldCode="AR" term="%22Sinkeviciute%2C+Igne%22">Sinkeviciute, Igne</searchLink><br /><searchLink fieldCode="AR" term="%22Kjelby%2C+Eirik%22">Kjelby, Eirik</searchLink><br /><searchLink fieldCode="AR" term="%22Johnsen%2C+Erik%22">Johnsen, Erik</searchLink><br /><searchLink fieldCode="AR" term="%22Sommer%2C+Iris+E%2E%22">Sommer, Iris E.</searchLink><br /><searchLink fieldCode="AR" term="%22Hugdahl%2C+Kenneth%22">Hugdahl, Kenneth</searchLink><br /><searchLink fieldCode="AR" term="%22Hirnstein%2C+Marco%22">Hirnstein, Marco</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Scandinavian+Journal+of+Psychology%22">Scandinavian Journal of Psychology</searchLink>. Apr2021, Vol. 62 Issue 2, p237-248. 12p. 1 Diagram, 7 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Hallucinations%22">Hallucinations</searchLink><br /><searchLink fieldCode="DE" term="%22Delusions%22">Delusions</searchLink><br /><searchLink fieldCode="DE" term="%22Schizophrenia%22">Schizophrenia</searchLink><br /><searchLink fieldCode="DE" term="%22Experience%22">Experience</searchLink><br /><searchLink fieldCode="DE" term="%22Surveys%22">Surveys</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink>
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  Data: Suggestions have been made that psychotic‐like experiences (PLEs), such as hallucinatory and delusional experiences, exist on a continuum from healthy individuals to patients with a diagnosis of schizophrenia. We used the screening questions of the Questionnaire for Psychotic Experiences (QPE), an interview that captures the presence and phenomenology of various psychotic experiences separately, to assess PLEs in Norway. Based on data from an online survey in a sample of more than 1,400 participants, we demonstrated that the QPE screening questions show satisfactory psychometric properties. Participants with mental disorders reported more frequent lifetime and current hallucinatory experiences than participants without mental disorders. Childhood experiences were rather low and ranged from 0.7% to 5.2%. We further replicated findings that young age, illegal drug use, lower level of education, and having parents with a mental disorder are associated with higher endorsement rates of PLEs. Finally, a binomial regression revealed that the mere presence of PLEs does not discriminate between individuals with and without a mental disorder. Taken together, the findings of the present study support existing models that both hallucinations and delusions exist on a structural and phenomenological continuum. Moreover, we demonstrated that the QPE screening questions can be used by themselves as a complementary tool to the full QPE interview. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Scandinavian Journal of Psychology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/sjop.12683
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        Text: English
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      – TitleFull: Mapping psychotic‐like experiences: Results from an online survey.
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              Text: Apr2021
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              Y: 2021
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