精神分裂症的嵌入式数字:主要缺陷,但没有特异性

IF 2.3 Q2 PSYCHIATRY
Ophélie Favrod , Andreas Brand , Eka Berdzenishvili , Eka Chkonia , Michel Akselrod , Johan Wagemans , Michael H. Herzog , Maya Roinishvili
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引用次数: 3

摘要

视觉缺陷是精神分裂症的核心缺陷。传统上,缺陷是由要求精细的空间或时间分辨率的心理物理任务决定的。对整体处理的了解较少。在这里,我们采用鲁汶嵌入图形测试(L-EFT)测量格式塔处理的经典方面。目标形状嵌入到上下文中,观察者必须尽可能快地检测目标嵌入到哪个显示器中。目标的封闭性、对称性、复杂性和良好的延续性各不相同。在所有情况下,精神分裂症患者比对照组和抑郁症患者有更长的RTs,比他们的兄弟姐妹有更短的RTs。没有相互作用表明,一旦精神分裂症患者的主要缺陷被抛弃,两组之间的格式塔感知就没有进一步的缺陷。这一结果与越来越多的研究结果一致,这些研究表明,当精神分裂症患者有足够的时间来完成任务时,他们的表现与对照组一样好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Embedded figures in schizophrenia: A main deficit but no specificity

Embedded figures in schizophrenia: A main deficit but no specificity

Embedded figures in schizophrenia: A main deficit but no specificity

Embedded figures in schizophrenia: A main deficit but no specificity

Visual deficits are core deficits of schizophrenia. Classically, deficits are determined with demanding psychophysical tasks requiring fine-grained spatial or temporal resolution. Less is known about holistic processing. Here, we employed the Leuven Embedded Figures Test (L-EFT) measuring classic aspects of Gestalt processing. A target shape is embedded in a context and observers have to detect as quickly as possible in which display the target is embedded. Targets vary in closure, symmetry, complexity, and good continuation. In all conditions, schizophrenia patients had longer RTs compared to controls and depressive patients and to a lesser extent compared to their siblings. There was no interaction suggesting that, once the main deficit of schizophrenia patients is discarded, there are no further deficits in Gestalt perception between the groups. This result is in line with a growing line of research showing that when schizophrenia patients are given sufficient time to accomplish the task, they perform as well as controls.

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来源期刊
CiteScore
5.60
自引率
10.70%
发文量
54
审稿时长
67 days
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