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言语流畅性任务测量什么?老年人言语流畅性表现的预测因素。

What do verbal fluency tasks measure? Predictors of verbal fluency performance in older adults.

机构信息

The Psychology of Language Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands.

The Psychology of Language Department, Max Planck Institute for Psycholinguistics Nijmegen, Netherlands ; Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Netherlands ; Centre for Language Studies, Radboud University Nijmegen, Netherlands.

出版信息

Front Psychol. 2014 Jul 22;5:772. doi: 10.3389/fpsyg.2014.00772. eCollection 2014.

Abstract

This study examined the contributions of verbal ability and executive control to verbal fluency performance in older adults (n = 82). Verbal fluency was assessed in letter and category fluency tasks, and performance on these tasks was related to indicators of vocabulary size, lexical access speed, updating, and inhibition ability. In regression analyses the number of words produced in both fluency tasks was predicted by updating ability, and the speed of the first response was predicted by vocabulary size and, for category fluency only, lexical access speed. These results highlight the hybrid character of both fluency tasks, which may limit their usefulness for research and clinical purposes.

摘要

本研究考察了言语能力和执行控制对老年人言语流畅性表现的贡献(n=82)。言语流畅性在字母和类别流畅性任务中进行评估,这些任务的表现与词汇量大小、词汇提取速度、更新和抑制能力的指标相关。在回归分析中,两个流畅性任务中生成的单词数量由更新能力预测,第一个反应的速度由词汇量大小预测,而仅在类别流畅性任务中,词汇提取速度也有预测作用。这些结果突出了两个流畅性任务的混合特征,这可能限制了它们在研究和临床目的中的有用性。

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