Factorial structure of the Hungarian version of Oxford-Liverpool Inventory of Feelings and Experiences and its applicability on the schizophrenia-schizotypy continuum

Kocsis-Bogár, Krisztina; Nemes, Zsófia; Perczel-Forintos, Dóra

doi:10.1016/j.paid.2015.10.039

Cited by 6 publications

(4 citation statements)

References 37 publications

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“…The questionnaire consists of 110 items for women and 109 for men, with all questions requiring a “yes” or “no” response. The 43-item Hungarian version of the shortened Oxford-Liverpool Inventory of Feelings and Experiences (O-LIFE) is used to assess schizotypal personality traits [ 30 ]. The items of the questionnaire can be answered with “yes” or “no”.…”

Section: Introductionmentioning

confidence: 99%

“…In the first step, the intention was to form three homogeneous subgroups in the groups of subjects with low risk traits for schizophrenic-bipolar spectrum disorders. The test package consisted of 4 self-completion tests: the Peters et al Delusions Inventory (PDI-21) [ 32 ] to measure delusions, including distress, preoccupation, and conviction; the Hungarian version [ 44 ] of the TEMPS-A (the Temperament Evaluation of Memphis, Pisa, Paris and San Diego—autoquestionnaire version) [ 29 ] questionnaire’s Cyclothymic Temperament scale; the Hungarian version [ 30 ] of the O-LIFE (the Oxford-Liverpool Inventory of Feelings and Experiences) questionnaire [ 45 ] measuring schizotypy; and the Hungarian version (unpublished) of the MDQ (the Mood Disorder Questionnaire) [ 33 ] assessing possible mood disorders. This primary survey was conducted electronically after recruitment through social media channels commonly used by university students.…”

Section: Introductionmentioning

confidence: 99%

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The Actigraphy-Based Identification of Premorbid Latent Liability of Schizophrenia and Bipolar Disorder

Nagy

Dombi

Fülep

et al. 2023

Sensors

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(1) Background and Goal: Several studies have investigated the association of sleep, diurnal patterns, and circadian rhythms with the presence and with the risk states of mental illnesses such as schizophrenia and bipolar disorder. The goal of our study was to examine actigraphic measures to identify features that can be extracted from them so that a machine learning model can detect premorbid latent liabilities for schizotypy and bipolarity. (2) Methods: Our team developed a small wrist-worn measurement device that collects and identifies actigraphic data based on an accelerometer. The sensors were used by carefully selected healthy participants who were divided into three groups: Control Group (C), Cyclothymia Factor Group (CFG), and Positive Schizotypy Factor Group (PSF). From the data they collected, our team performed data cleaning operations and then used the extracted metrics to generate the feature combinations deemed most effective, along with three machine learning algorithms for categorization. (3) Results: By conducting the training, we were able to identify a set of mildly correlated traits and their order of importance based on the Shapley value that had the greatest impact on the detection of bipolarity and schizotypy according to the logistic regression, Light Gradient Boost, and Random Forest algorithms. (4) Conclusions: These results were successfully compared to the results of other researchers; we had a similar differentiation in features used by others, and successfully developed new ones that might be a good complement for further research. In the future, identifying these traits may help us identify people at risk from mental disorders early in a cost-effective, automated way.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Actigraphy-Based Identification of Premorbid Latent Liability of Schizophrenia and Bipolar Disorder

Nagy

Dombi

Fülep

et al. 2023

Sensors

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“…The authors and qualified research assistants personally administered the scales and working memory tests in the laboratory. We used the standard and validated Hungarian version of the scales and tests ( Balázs et al, 1998 ; Rózsa et al, 2006 ; Simor et al, 2013 ; Kocsis-Bogár et al, 2016 ; Fekete et al, 2019 ).…”

Section: Methodsmentioning

confidence: 99%

“…The Oxford-liverpool inventory of feelings and experiences, short version (sO-LIFE) consists of 43 dichotomous items (yes—no responses) measuring the four dimensions of schizotypal traits: Unusual Experiences (unusual perceptual experiences and non-ordinary beliefs; 12 items), Cognitive Disorganization (loosening of associations, lessened ability to focus attention, and social anxiety; 11 items), Impulsive Nonconformity (impulsivity and weak adherence to social norms; 10 items), and Introvertive Anhedonia (reduced ability to experience pleasure and decreased motivation to participate in social activities; 10 items; Mason et al, 2005 ; Mason and Claridge, 2006 ; Kocsis-Bogár et al, 2016 ). Participants with high scores exhibit pronounced schizotypy.…”

Section: Methodsmentioning

confidence: 99%

The Relationship Among Mentalization, Mindfulness, Working Memory, and Schizotypal Personality Traits in the General Population

Török

Kéri

2022

Front. Psychol.

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Individuals with high schizotypal traits are less able to observe, describe, and monitor inner feelings, thoughts, and experiences, commonly referred to as mindfulness and mentalization. High schizotypy is also associated with impaired working memory (WM). However, the relationship among mindfulness, mentalization, WM, and schizotypal traits is unknown. Three hundred individuals from the community (mean age: 38.0 years, SD = 10.5; 49.3% women) completed questionnaires examining schizotypal traits, mindfulness, and mentalization and performed working memory tasks. Results revealed that mentalization was a general predictor of schizotypal traits, including unusual experiences, cognitive disorganization, introverted anhedonia, and impulsive nonconformity, when the effect of mindfulness and working memory was controlled. We also found a positive correlation between mindfulness and mentalization. Low mindfulness and mentalization performances were associated with high schizotypy. However, poor working memory was only weakly linked to cognitive disorganization and introverted anhedonia. These findings suggest that weak mentalization is a core feature of schizotypy independent of mindfulness and working memory.

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Oxford-Liverpool Inventory of Feelings Experiences (O-LIFE)

Mason¹

2020

Encyclopedia of Personality and Individual Differences

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Factorial structure of the Hungarian version of Oxford-Liverpool Inventory of Feelings and Experiences and its applicability on the schizophrenia-schizotypy continuum

Cited by 6 publications

References 37 publications

The Actigraphy-Based Identification of Premorbid Latent Liability of Schizophrenia and Bipolar Disorder

The Actigraphy-Based Identification of Premorbid Latent Liability of Schizophrenia and Bipolar Disorder

The Relationship Among Mentalization, Mindfulness, Working Memory, and Schizotypal Personality Traits in the General Population

Oxford-Liverpool Inventory of Feelings Experiences (O-LIFE)

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