Evaluating the Contribution of Executive Functions to Language Tasks in Cognitively Demanding Contexts.
Evaluating the Contribution of Executive Functions to Language Tasks in Cognitively Demanding Contexts.
复制标题
评估认知要求环境中执行功能对语言任务的贡献。
DOI：
10.1044/2019_ajslp-cac48-18-0216
复制
发表时间：
2020
影响因子：
2.6
通讯作者：
Martin,Nadine
中科院分区：
文献类型：
--
作者：
Obermeyer,Jessica;Schlesinger,Julie;Martin,Nadine
目的本研究的目的是确定注意转换和抑制的执行功能在多大程度上预测了失语症语言和（言语）短时记忆坦普尔评估（TALSA;）跨越3个间隔条件（无延迟、5秒延迟和5秒填充延迟），旨在增加语言任务的记忆和执行负荷。参与者包括27名失语症患者，他们接受了来自TALSA的5个子测试（重复，单词重复，非单词重复，类别判断和押韵判断），这些子测试被选择用于评估上述3个间隔条件下的输入和输出处理水平。三个执行任务进行管理，以评估抑制（西蒙和Flanker任务）和注意转换（数字-字母移位）。结果自变量比例正确的每个TALSA任务在3个不同的时间条件下，和预测变量是效率的西蒙任务和数字-字母移位任务。线性回归建模完成，这表明，抑制是一个显着的预测比例正确的单词重复和类别判断在5-S填充interval condition.ConclusionsOur研究结果表明，抑制起着重要的作用，在完成任务，需要词汇和/或语义处理在认知要求的条件。注意力转换并不是任何任务的重要预测因素。这些结果是创造在语言产生的背景下评估执行技能的方法的重要一步。补充材料https：doi.org/10.23641/asha.9765107
PurposeThe purpose of this study was to determine the degree to which the executive functions of attention switching and inhibition predicted performance on language subtests from the Temple Assessment of Language and (Verbal) Short-Term Memory in Aphasia (TALSA; ) across 3 interval conditions (no delay, 5-s delay, and 5-s filled delay), which was designed to add a memory and executive load to language tasks.MethodThis study was a post hoc experimental design. Participants included 27 people with aphasia who were administered 5 subtests from the TALSA (Naming, Word Repetition, Nonword Repetition, Category Judgment, and Rhyming Judgment), which were selected to evaluate input and output levels of processing in the 3 interval conditions listed above. Three executive tasks were administered to evaluate inhibition (Simon and Flanker tasks) and attention switching (number–letter shifting).ResultsIndependent variables were proportion correct on each TALSA task in 3 separate time conditions, and predictor variables were efficiency on the Simon task and number–letter shifting task. Linear regression modeling was completed, which revealed that inhibition was a significant predictor of proportion correct for Word Repetition and Category Judgment in the 5-s filled interval condition.ConclusionsOur findings indicate that inhibition plays a role in completing tasks that require lexical and/or semantic processing in cognitively demanding conditions. Attention switching was not a significant predictor for any task. These results are an important step toward creating methods to evaluate executive skills in the context of language production.Supplemental Materialhttps://doi.org/10.23641/asha.9765107
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