Activity memory in traumatic brain injury: The role of encoding and retrieval.

IF 1.4 4区 心理学 Q4 CLINICAL NEUROLOGY
Walter D Lopez-Hernandez, Pavel Y Litvin, Jennifer Kung, Amy Bichlmeier, Heleya Rad, David J Hardy, Deborah Budding, Paul Vespa, David McArthur, David A Hovda, Ellen Woo, Joaquin M Fuster, Matthew J Wright
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引用次数: 0

Abstract

Objective: Under incidental learning conditions, traumatic brain injury (TBI) survivors exhibit worse recall and recognition for completed activities relative to healthy participants, but both groups demonstrate equivalent temporal order memory (TOM) for performed activities. We evaluated the role of encoding, consolidation, and retrieval in the activity memory (AM) in TBI.

Methods: 25 TBI survivors and 24 healthy participants were compared. A battery of neuropsychological tests served as the "activities." Activity ratings were completed after each test, to promote incidental learning. Following the last rating, AM trials were administered. Encoding, consolidation, and retrieval were assessed via Item Specific Deficit Approach.

Results: Age correcting ANCOVAs revealed worse AM recall in TBI participants, but equivalent TOM for activities. Hierarchical regressions showed that encoding predicted AM recall, but both encoding and retrieval predicted TOM for activities in the TBI group.

Conclusions: TBI-related memory deficits for AM recall are related to encoding, like observations of verbal memory deficits in TBI. TOM performances were predicted by both encoding and retrieval, suggesting that temporal order for activities, may be partially encoded by nondeclarative memory processes. This finding is partially consistent with previous work, showing that enhancing encoding improves recall for activities, but not TOM for activities.

外伤性脑损伤中的活动记忆:编码和检索的作用。
目的:在偶然学习条件下,创伤性脑损伤(TBI)幸存者对已完成的活动的回忆和识别能力较差,但两组对已完成的活动表现出相同的时间顺序记忆(TOM)。我们评估了编码、巩固和检索在脑外伤中活动记忆(AM)中的作用。方法:比较25名TBI幸存者和24名健康参与者。一系列的神经心理学测试作为“活动”。每次测试后完成活动评分,以促进附带学习。在最后一次评级之后,进行AM试验。编码、巩固和检索通过项目特定缺陷法进行评估。结果:年龄校正的ANCOVAs显示,脑外伤参与者的AM回忆较差,但对活动的TOM回忆相当。层次回归显示编码预测AM回忆,但编码和检索都预测TBI组的TOM活动。结论:与TBI相关的AM记忆缺陷与编码有关,就像对TBI中言语记忆缺陷的观察一样。通过编码和检索来预测TOM的表现,表明活动的时间顺序可能部分由非陈述性记忆过程编码。这一发现与之前的研究部分一致,表明增强编码可以提高对活动的回忆,但对活动的记忆却没有作用。
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来源期刊
Applied Neuropsychology-Adult
Applied Neuropsychology-Adult CLINICAL NEUROLOGY-PSYCHOLOGY
CiteScore
4.50
自引率
11.80%
发文量
134
期刊介绍: pplied Neuropsychology-Adult publishes clinical neuropsychological articles concerning assessment, brain functioning and neuroimaging, neuropsychological treatment, and rehabilitation in adults. Full-length articles and brief communications are included. Case studies of adult patients carefully assessing the nature, course, or treatment of clinical neuropsychological dysfunctions in the context of scientific literature, are suitable. Review manuscripts addressing critical issues are encouraged. Preference is given to papers of clinical relevance to others in the field. All submitted manuscripts are subject to initial appraisal by the Editor-in-Chief, and, if found suitable for further considerations are peer reviewed by independent, anonymous expert referees. All peer review is single-blind and submission is online via ScholarOne Manuscripts.
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