The Impact of Lexical-semantic Impairment on Spoken Verb Production in Individuals With Mild Cognitive Impairment.

IF 1.3 4区 医学 Q4 BEHAVIORAL SCIENCES
Joël Macoir, Robert Laforce, Carol Hudon
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引用次数: 0

Abstract

Background: Although episodic memory is the primary concern in individuals with mild cognitive impairment (MCI), other cognitive functions may also be affected, including language. Language impairment in individuals with MCI has been attributed primarily to the breakdown of semantic representations, difficulties in accessing semantic information, and the weakening of executive functions. However, in most prior studies of word processing in individuals with MCI, researchers have used measures focused on noun production.

Objective: To investigate how verb production tasks might aid in detecting cognitive impairment in individuals with MCI.

Methods: We compared the performance of 45 individuals with MCI and 45 healthy controls on action naming and action fluency tasks.

Results: In the action naming task, the performance of participants with MCI was significantly impaired compared to healthy controls in terms of total score, the number of semantic errors produced, and the use of generic terms. In the action fluency task, participants with MCI produced significantly fewer verbs, fewer clusters, and fewer switches than healthy controls.

Conclusion: The results of our study emphasize the utility of verb production tasks in the identification of cognitive impairment in individuals with MCI and provide evidence of the importance of including action naming and action fluency tasks in the assessment of individuals with MCI.

词汇语义障碍对轻度认知障碍患者口语动词生成的影响。
背景:虽然情节记忆是轻度认知障碍(MCI)患者的主要问题,但其他认知功能也可能受到影响,包括语言。MCI 患者的语言障碍主要归因于语义表征的破坏、获取语义信息的困难以及执行功能的减弱。然而,在之前对 MCI 患者文字处理能力的大多数研究中,研究人员使用的测量方法都侧重于名词的产生:方法:我们比较了45名MCI患者的文字处理能力:我们比较了 45 名 MCI 患者和 45 名健康对照者在动作命名和动作流畅性任务中的表现:在动作命名任务中,与健康对照组相比,MCI患者在总分、语义错误数量和通用术语使用方面的表现明显受损。在动作流畅性任务中,与健康对照组相比,MCI 患者产生的动词数量、词组数量和切换数量都明显较少:我们的研究结果强调了动词制作任务在识别 MCI 患者认知障碍方面的实用性,并证明了在评估 MCI 患者时加入动作命名和动作流畅性任务的重要性。
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来源期刊
CiteScore
2.40
自引率
7.10%
发文量
68
审稿时长
>12 weeks
期刊介绍: Cognitive and Behavioral Neurology (CBN) is a forum for advances in the neurologic understanding and possible treatment of human disorders that affect thinking, learning, memory, communication, and behavior. As an incubator for innovations in these fields, CBN helps transform theory into practice. The journal serves clinical research, patient care, education, and professional advancement. The journal welcomes contributions from neurology, cognitive neuroscience, neuropsychology, neuropsychiatry, and other relevant fields. The editors particularly encourage review articles (including reviews of clinical practice), experimental and observational case reports, instructional articles for interested students and professionals in other fields, and innovative articles that do not fit neatly into any category. Also welcome are therapeutic trials and other experimental and observational studies, brief reports, first-person accounts of neurologic experiences, position papers, hypotheses, opinion papers, commentaries, historical perspectives, and book reviews.
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