The cognitive origins of specific types of schizophrenic speech disturbances.
The cognitive origins of specific types of schizophrenic speech disturbances.
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特定类型的精神分裂症言语障碍的认知起源。
DOI：
10.1176/ajp.2006.163.12.2111
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发表时间：
2006
期刊：
影响因子：
--
通讯作者：
St-Hilaire,Annie
中科院分区：
文献类型：
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作者：
Docherty,NancyM;Strauss,MiltonE;Dinzeo,ThomasJ;St-Hilaire,Annie
与精神分裂症相关的认知障碍可能会对产生连贯语言的能力产生显着影响，但认知表现和语言障碍之间的联系通常很弱。关于这个问题的研究结果可能受到测量方法和言语障碍异质性的限制。本研究探讨了损害的贡献，在持续的注意力和排序能力，精神分裂症的言语障碍，测量的沟通失败，分为不同类型的disorder.Methodsample自然语音收集严重疾病住院患者与精神分裂症和非精神病比较科目和评级的频率六种类型的沟通失败：四个结构和两个非结构类型。受试者还完成了一系列认知测试，评估注意力和排序能力的几个方面。分层回归被用来识别认知贡献者沟通failures.ResultsImpaired持续关注与更频繁的结构和非结构性沟通失败。正如预测的那样，受损的排序，特别是概念排序，也作出了重大贡献的结构性沟通失败，但不是非结构性的。这些发现举行时，全球水平的损害进行了统计控制。注意力和排序的测试上的表现解释了56%的变异结构性言语disorder.ConclusionsSchizopheric言语障碍是异质性的形式和认知基础。注意力和排序能力的障碍是与语言结构相关的沟通失败的高度预测。
ObjectiveCognitive impairments associated with schizophrenia might be expected to have a marked impact on the ability to produce coherent speech, yet associations between cognitive performance and speech disorder have typically been weak. Findings on this question may have been limited by measurement methods and by the heterogeneity of speech disorder. This study examined the contributions of impairments in sustained attention and sequencing abilities to schizophrenic speech disorder, measured in terms of communication failures and divided into different types of disorder.MethodSamples of natural speech were collected from severely ill inpatients with schizophrenia and nonpsychiatric comparison subjects and rated for frequencies of six types of communication failures: four structural and two nonstructural types. Subjects also completed a battery of cognitive tests assessing several facets of attention and sequencing ability. Hierarchical regression was used to identify cognitive contributors to communication failures.ResultsImpaired sustained attention was associated with more frequent structural and nonstructural communication failures. As predicted, impaired sequencing, and in particular conceptual sequencing, also made a substantial contribution to the structural communication failures, but not to the nonstructural ones. These findings held when global level of impairment was controlled statistically. Performance on the tests of attention and sequencing explained 56% of the variance in structural speech disorder.ConclusionsSchizophrenic speech disorder is heterogeneous in form and in cognitive underpinnings. Impairments in attention and sequencing abilities are highly predictive of communication failures related to language structure.