The Relationship Between Multisensory Temporal Processing and Schizotypal Traits.

IF 1.8 4区心理学 Q3 BIOPHYSICS Multisensory Research Pub Date : 2021-02-09 DOI:10.1163/22134808-bja10044

Tyler C Dalal, Anne-Marie Muller, Ryan A Stevenson

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Abstract

Recent literature has suggested that deficits in sensory processing are associated with schizophrenia (SCZ), and more specifically hallucination severity. The DSM-5's shift towards a dimensional approach to diagnostic criteria has led to SCZ and schizotypal personality disorder (SPD) being classified as schizophrenia spectrum disorders. With SCZ and SPD overlapping in aetiology and symptomatology, such as sensory abnormalities, it is important to investigate whether these deficits commonly reported in SCZ extend to non-clinical expressions of SPD. In this study, we investigated whether levels of SPD traits were related to audiovisual multisensory temporal processing in a non-clinical sample, revealing two novel findings. First, less precise multisensory temporal processing was related to higher overall levels of SPD symptomatology. Second, this relationship was specific to the cognitive-perceptual domain of SPD symptomatology, and more specifically, the Unusual Perceptual Experiences and Odd Beliefs or Magical Thinking symptomatology. The current study provides an initial look at the relationship between multisensory temporal processing and schizotypal traits. Additionally, it builds on the previous literature by suggesting that less precise multisensory temporal processing is not exclusive to SCZ but may also be related to non-clinical expressions of schizotypal traits in the general population.

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多感官时空处理与分裂型特质之间的关系。

最近的文献表明，感觉处理能力的缺陷与精神分裂症（SCZ）有关，更具体地说，与幻觉的严重程度有关。DSM-5 在诊断标准上向维度方法转变，导致 SCZ 和分裂型人格障碍（SPD）被归类为精神分裂症谱系障碍。由于SCZ和SPD在病因和症状（如感觉异常）方面存在重叠，因此研究SCZ中常见的这些缺陷是否会延伸到SPD的非临床表现中非常重要。在这项研究中，我们在非临床样本中调查了SPD特质的水平是否与视听多感官时间处理有关，发现了两个新发现。首先，较不精确的多感官时间处理与较高的 SPD 症状总体水平有关。其次，这种关系与 SPD 症状的认知-感知领域有关，更具体地说，与异常感知体验和古怪信念或神奇思维症状有关。本研究初步探讨了多感官时间处理与精神分裂症特质之间的关系。此外，本研究还在以往文献的基础上指出，不那么精确的多感官时间处理并非是分裂型精神分裂症的专属症状，它还可能与普通人群中精神分裂症的非临床表现有关。

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来源期刊

Multisensory Research BIOPHYSICS-PSYCHOLOGY

CiteScore

3.50

自引率

12.50%

发文量

期刊介绍： Multisensory Research is an interdisciplinary archival journal covering all aspects of multisensory processing including the control of action, cognition and attention. Research using any approach to increase our understanding of multisensory perceptual, behavioural, neural and computational mechanisms is encouraged. Empirical, neurophysiological, psychophysical, brain imaging, clinical, developmental, mathematical and computational analyses are welcome. Research will also be considered covering multisensory applications such as sensory substitution, crossmodal methods for delivering sensory information or multisensory approaches to robotics and engineering. Short communications and technical notes that draw attention to new developments will be included, as will reviews and commentaries on current issues. Special issues dealing with specific topics will be announced from time to time. Multisensory Research is a continuation of Seeing and Perceiving, and of Spatial Vision.