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学习构型反应的能力是否存在年龄相关差异?

Are There Age-Related Differences in the Ability to Learn Configural Responses?

作者信息

Clark Rachel, Freedberg Michael, Hazeltine Eliot, Voss Michelle W

机构信息

Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, IA, United States of America.

Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, IA, United States of America; Department of Psychological and Brain Sciences, The University of Iowa, Iowa City, IA, United States of America.

出版信息

PLoS One. 2015 Aug 28;10(8):e0137260. doi: 10.1371/journal.pone.0137260. eCollection 2015.

Abstract

Age is often associated with a decline in cognitive abilities that are important for maintaining functional independence, such as learning new skills. Many forms of motor learning appear to be relatively well preserved with age, while learning tasks that involve associative binding tend to be negatively affected. The current study aimed to determine whether age differences exist on a configural response learning task, which includes aspects of motor learning and associative binding. Young (M = 24 years) and older adults (M = 66.5 years) completed a modified version of a configural learning task. Given the requirement of associative binding in the configural relationships between responses, we predicted older adults would show significantly less learning than young adults. Older adults demonstrated lower performance (slower reaction time and lower accuracy). However, contrary to our prediction, older adults showed similar rates of learning as indexed by a configural learning score compared to young adults. These results suggest that the ability to acquire knowledge incidentally about configural response relationships is largely unaffected by cognitive aging. The configural response learning task provides insight into the task demands that constrain learning abilities in older adults.

摘要

年龄常常与认知能力的下降相关联,而这些认知能力对于维持功能独立性很重要,比如学习新技能。许多形式的运动学习似乎随年龄增长相对保持良好,而涉及联想联结的学习任务往往会受到负面影响。当前的研究旨在确定在一种构型反应学习任务上是否存在年龄差异,该任务包括运动学习和联想联结的方面。年轻人(平均年龄 = 24岁)和老年人(平均年龄 = 66.5岁)完成了一个构型学习任务的修改版本。鉴于在反应之间的构型关系中存在联想联结的要求,我们预测老年人的学习表现会明显低于年轻人。老年人表现出较低的成绩(反应时间较慢且准确性较低)。然而,与我们的预测相反,与年轻人相比,老年人在构型学习分数所衡量的学习速率上表现相似。这些结果表明,偶然获取关于构型反应关系的知识的能力在很大程度上不受认知老化的影响。构型反应学习任务为限制老年人学习能力的任务要求提供了见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3953/4552811/2bd924d99f0e/pone.0137260.g001.jpg

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