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Research of time processing disorder within the investigation of specific traits of schizophrenia

Published online by Cambridge University Press:  01 September 2022

I. Szendi Md Habil ,
S. Szalóki ,
A. Bagi ,
E. Rudics  and
E. Hallgató
I. Szendi Md Habil*
Affiliation:
Kiskunhalas Semmelweis Hospital, University Teaching Hospital, Psychiatry Unit, Kiskunhalas, Hungary
S. Szalóki
Affiliation:
University of Szeged, Department Of Psychiatry, Szeged, Hungary
A. Bagi
Affiliation:
University of Szeged, Department Of Psychiatry, Szeged, Hungary
E. Rudics
Affiliation:
University of Szeged, Department Of Psychiatry, Szeged, Hungary
E. Hallgató
Affiliation:
University of Szeged, Institute Of Psychology, Szeged, Hungary
*
*Corresponding author.

Abstract

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Introduction

Schizophrenia is essentially related to one’s self-perception and the relationship to the world. One possible explanation for symptoms of schizophrenia in activities is the disruption of timing, which can develop into a disorder of activity perception and attribution.

Objectives

Our study aimed to investigate the specificity of time perception disorder within the schizophrenia-bipolar spectrum, within the time interval around one second.

Methods

In the study, N = 15 schizophrenic (M = 37.28 years, SD = 9.49 years), N = 9 bipolar (M = 49.44 years, SD = 8.48 years), N = 10 schizoaffective (M = 41.32 years, SD = 10.75 years) patients with compensated clinical condition and N = 28 healthy control subjects (M = 36.5 years, SD = 9.9 years) participated. Time processing was examined with a perceptual (discrimination) and a productive (synchronization) task.

Results

Concerning the interval discrimination, patients with schizophrenia and schizoaffective disorder lag behind controls in the majority of indicators (0.373–0.772). In terms of production and reproduction, the deviation of schizoaffective patients indicates a moderate difference, but subjects with schizophrenia show a large effect size, and subjects with bipolar disorder demonstrate a small effect size.

Conclusions

Our results suggest that the schizophrenic group exhibits a comprehensive time-processing disorder and in this respect can be distinguished from the bipolar affective and the control group. People with schizoaffective disorder show an intermediate performance in reproduction between the schizophrenic and bipolar groups, while in the case of discrimination deficit, they approach schizophrenics.

Disclosure

No significant relationships.

Keywords

subjectivityschizophrenia-bipolar spectruminterval discriminationinterval production
Type
Abstract
Information
European Psychiatry , Volume 65 , Special Issue S1: Abstracts of the 30th European Congress of Psychiatry , June 2022 , pp. S248
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of the European Psychiatric Association
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