The processing of verbal memories after traumatic brain injury.

IF 3 3区 心理学 Q2 CLINICAL NEUROLOGY Clinical Neuropsychologist Pub Date : 2024-07-10 DOI:10.1080/13854046.2024.2374043
Jennie L Ponsford, Pagan Portelli, Eli Vakil, Marina G Downing
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Abstract

Objective: Memory dysfunction is a persistent cognitive symptom following traumatic brain injury (TBI), negatively impacting capacity for independent living and productivity. Traditional scoring of neuropsychological memory tests does not allow for differentiation of specific impairments of encoding, consolidation and/or retrieval, or the potential impact of strategy deficits. Method: The current study examined performance of 142 moderate-to-severe TBI participants and 68 demographically matched healthy controls on the Rey Auditory Verbal Learning Test (RAVLT) using Item Specific Data Analysis (ISDA) and strategy use analyses. Results: Results revealed significantly greater impairments in encoding, consolidation, and retrieval in TBI participants, compared to controls. Encoding deficits significantly explained the most variance in the long-delayed recall of TBI participants, followed by consolidation, and then retrieval. Participants with TBI showed a reduced ability to spontaneously apply strategies during learning, evident in decreased subjective clusters and increased word omissions, compared to controls. No difference was found between groups in passive learning strategy application, shown through serial clustering. Spontaneous strategy measures both uniquely accounted for variance in the encoding ability of TBI participants. Conclusions: These findings highlight the potential value in using ISDA and strategy use measures to assess RAVLT results to better characterize individual memory profiles and inform rehabilitative interventions.

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脑外伤后言语记忆的处理。
目的:记忆功能障碍是创伤性脑损伤(TBI)后的一种持续性认知症状,会对独立生活能力和工作效率产生负面影响。神经心理学记忆测试的传统评分方法无法区分编码、巩固和/或检索的特定障碍,也无法区分策略缺陷的潜在影响。研究方法本研究采用特定项目数据分析(ISDA)和策略使用分析法,对142名中度至重度创伤性脑损伤患者和68名人口统计学上匹配的健康对照者在雷伊听觉言语学习测试(RAVLT)中的表现进行了检测。结果显示结果显示,与对照组相比,TBI 参与者在编码、巩固和检索方面的障碍明显更大。在 TBI 参与者的长时延迟回忆中,编码缺陷能明显解释最大的变异,其次是巩固,然后是检索。与对照组相比,创伤性脑损伤患者在学习过程中自发应用策略的能力有所下降,表现为主观词簇减少和漏词增加。在被动学习策略应用方面,通过序列聚类显示,组间没有发现差异。自发策略测量均能独特地解释 TBI 参与者编码能力的差异。结论:这些研究结果凸显了使用 ISDA 和策略使用测量来评估 RAVLT 结果的潜在价值,从而更好地描述个体记忆特征并为康复干预提供依据。
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来源期刊
Clinical Neuropsychologist
Clinical Neuropsychologist 医学-临床神经学
CiteScore
8.40
自引率
12.80%
发文量
61
审稿时长
6-12 weeks
期刊介绍: The Clinical Neuropsychologist (TCN) serves as the premier forum for (1) state-of-the-art clinically-relevant scientific research, (2) in-depth professional discussions of matters germane to evidence-based practice, and (3) clinical case studies in neuropsychology. Of particular interest are papers that can make definitive statements about a given topic (thereby having implications for the standards of clinical practice) and those with the potential to expand today’s clinical frontiers. Research on all age groups, and on both clinical and normal populations, is considered.
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