原发性进行性失语症对数开放变异型中语音短期记忆障碍对言语重复的影响。

IF 1.6 4区 心理学 Q3 PSYCHOLOGY, DEVELOPMENTAL
Aging, Neuropsychology, and Cognition Pub Date : 2024-07-01 Epub Date: 2023-08-24 DOI:10.1080/13825585.2023.2249198
Joël Macoir, Robert Laforce, Monica Lavoie
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引用次数: 0

摘要

原发性进行性失语症(logopenic variant of primary progressive aphasia,lvPPA)的主要特征是失语、语音错误和句子重复障碍。这些语言障碍的功能性根源主要归咎于语音短时记忆的崩溃。本研究探讨了语音短时记忆障碍对 lvPPA 患者语言处理能力的影响。在两项研究中,11 名患有 lvPPA 的参与者和 11 名健康对照组参与者接受了重复任务,在这些任务中,刺激的类型、长度和施测方式都受到了控制。研究一旨在考察长度和词性(单词与假词)对即时和延迟复述的影响,而研究二则旨在考察长度、句法复杂性(名词化句子与动词化句子)和序列位置对即时句子复述的影响。研究 1 显示,lvPPA 参与者的表现仅在立即重复五音节假词和延迟重复单词和假词时受损。研究 2 显示,在重复名词化句子时,受试者的 lvPPA 能力会受到影响,并观察到了复现效应。在 lvPPA 组中,主谓化句子的复述也受到了影响。这项研究为语音短时记忆是导致 lvPPA 语言障碍的原因这一论点提供了更多支持。在临床上,研究结果表明,评估lvPPA患者复述能力的工具不仅应包括长短名词化句子列表,还应包括单词、假词和名词化句子的延迟复述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The impact of phonological short-term memory impairment on verbal repetition in the logopenic variant of primary progressive aphasia.

The logopenic variant of primary progressive aphasia (lvPPA) is characterized mainly by anomia, production of phonological errors, and impairment in repetition of sentences. The functional origin of these language impairments is mainly attributed to the breakdown of phonological short-term memory. The present study examined the effects of phonological short-term memory impairment on language processing in lvPPA. In two studies, 11 participants with lvPPA and 11 healthy control participants were presented with repetition tasks in which the type and length of stimuli and the mode of administration were manipulated. Study 1 aimed to examine the influence of length and lexicality (words vs. pseudowords) on immediate and delayed repetition, whereas Study 2 aimed to examine the influence of length, syntactic complexity (nominalized vs. pronominalized sentences), and serial position on immediate sentence repetition. Study 1 showed that participants' performance with lvPPA was impaired only on immediate repetition of five-syllable pseudowords and on delayed repetition of words and pseudowords. Study 2 showed that participants' performance with lvPPA was impaired in the repetition of nominalized sentences where a recency effect was observed. Repetition of pronominalized sentences was also impaired in the lvPPA group. This study provides additional support for arguments regarding phonological short-term memory as a cause of language impairment in lvPPA. Clinically, the results of the study suggest that instruments for assessing repetition ability in lvPPA should include not only lists of short or long nominalized sentences, but also delayed repetition of words and pseudowords and pronominalized sentences.

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来源期刊
CiteScore
4.30
自引率
5.30%
发文量
52
期刊介绍: The purposes of Aging, Neuropsychology, and Cognition are to (a) publish research on both the normal and dysfunctional aspects of cognitive development in adulthood and aging, and (b) promote the integration of theories, methods, and research findings between the fields of cognitive gerontology and neuropsychology. The primary emphasis of the journal is to publish original empirical research. Occasionally, theoretical or methodological papers, critical reviews of a content area, or theoretically relevant case studies will also be published.
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