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151.
Motor imagery (MI), the mental rehearsal of a motor task, is thought to be a synergistic interaction between processes that allow for the generation, maintenance, and manipulation, of motor images. While our understanding of the multidimensional nature of MI stems from research examining various methods to assess MI ability, limited research has been conducted employing multiple assessments across participants to probe the underlying dimensions of MI. Accordingly, the current study sought to explore the multidimensional nature of MI using an exploratory approach that would allow for the dimensions of imagery to be examined and linked to each assessment measure. Specifically, participants (N = 81) underwent a battery of MI-assessments (including questionnaires, mental chronometry, a hand laterality judgment task, and a MI-based learning task), and data was analyzed via principal component analysis (PCA). Three components resulted, which were named based on which outcome measures loaded on to the component: generation, maintenance, and manipulation of motor images. We further discuss a fourth component, named ‘temporal sequencing’ of motor images, identified via the initial component solution. Concordant with previous research, we highlight the importance of employing multiple measures when assessing imagery ability prior to its use in training. Notably, this work allowed us to link assessments of MI to the different dimensions of MI, informing on the nature of MI. 相似文献
152.
学业成绩是衡量学生掌握知识水平的重要指标,受到认知能力、社会支持和学习动机等多重因素的显著影响,而这多重因素间的关系及其对学业成绩的共同作用机制尚不明确。本研究采用标准化的认知能力测验、社会支持量表、学习动机量表对4,973名初中生进行测试,并以各科测验成绩总分的平均值作为学业成绩指标。结果表明:(1)认知能力、社会支持、学习动机均与学业成绩正相关;(2)社会支持在认知能力对学业成绩的影响中起调节作用,学生感受到的社会支持水平越高,学业成绩表现越好,且其认知能力对学业成绩的预测作用越强;(3)社会支持的调节作用部分通过学习动机这一中介变量实现。本研究构建了一个基于个体因素(认知能力和学习动机)和环境因素(社会支持)共同影响学业成绩的理论模型,有利于人们深入理解认知能力影响学业成绩的内在机制和边界条件,为提升学生学业成绩提供了理论依据和实证支持。 相似文献
153.
ABSTRACT Long-term memory retrieval ability and working memory can share attention control ability. Based on cognitive plasticity, a hypothesis that cognitive training could improve long-term memory retrieval efficiency and that this could transfer to retrieval involving working memory was proposed. 60 undergraduates were randomly assigned to a group of training and an active control group; all the participants completed the same tasks in the same order before and after the training, the tasks included a long-term memory retrieval access task, a intelligence test, a switching task, a working memory updating task, a response inhibition task and an interference control task. The statistics results indicate that cognitive training can improve long-term memory retrieval efficiency and has a transfer effect on working memory updating, interference control and switching ability, but not on response inhibition or intelligence. This reveal the plasticity of long-term memory retrieval and its influence on working memory. 相似文献
154.
155.
Acalculia and Dyscalculia 总被引:5,自引:0,他引:5
Even though it is generally recognized that calculation ability represents a most important type of cognition, there is a significant paucity in the study of acalculia. In this paper the historical evolution of calculation abilities in humankind and the appearance of numerical concepts in child development are reviewed. Developmental calculation disturbances (developmental dyscalculia) are analyzed. It is proposed that calculation ability represents a multifactor skill, including verbal, spatial, memory, body knowledge, and executive function abilities. A general distinction between primary and secondary acalculias is presented, and different types of acquired calculation disturbances are analyzed. The association between acalculia and aphasia, apraxia and dementia is further considered, and special mention to the so-called Gerstmann syndrome is made. A model for the neuropsychological assessment of numerical abilities is proposed, and some general guidelines for the rehabilitation of calculation disturbances are presented. 相似文献
156.
注意能力测评方法的初步研究 总被引:11,自引:0,他引:11
本研究自行开发了"BT-LYR注意能力测试软件(1.0版)",并发展了一套融专家经验与实际测试为一体的注意能力模糊综合评价方法.结果显示,注意能力测试软件及模糊综合评价方法都具有较高的信度和效度,值得在实践中进一步检验与推广. 相似文献
157.
Benjamin Aguilar Kathryn M. O'Brien Gerald J. August Suzanne L. Aoun Joel M. Hektner 《Journal of abnormal child psychology》2001,29(6):479-489
Sibling influence on the learning and enactment of aggressive behavior has been consistently demonstrated in studies of sibling relationships. Available evidence suggests that, compared with nonaggressive children's sibling interactions, the sibling interactions of aggressive children are marked by more frequent, intense, and prolonged aggressive behaviors. Although research on normative and aggressive children's sibling interactions has increased recently, a number of limitations in this literature were addressed in this study by: (1) including both an aggressive and nonaggressive comparison group, (2) examining both positive and negative features of sibling relationships, (3) employing a multimethod/multiinformant approach to data collection, and (4) utilizing an improved self-report method. In support of our hypotheses and consistent with previous research, results showed that aggressive children's sibling relationships were marked by higher levels of observed conflict and lower levels of self-reported positive features. When gender was examined, results showed that older brother/younger sister dyads were characterized by higher levels of negative features and lower levels of positive features. 相似文献
158.
关于小学四年级至初中一年级学生阅读理解能力的研究 总被引:3,自引:0,他引:3
本研究从一般性阅读理解的角度.对738名小学四年级至初中一年级学生的阅读理解能力进行研究,得出由七种成分构成的阅读理解能力结构,并初步探讨了各年级学生以及不同阅读理解能力学生的发展特点。 相似文献
159.
160.
使用数点数广度任务(C-span)、Stroop任务、威斯康星卡片分类任务(WCST)测查儿童的执行功能,用《小学儿童数学能力测查量表》(一年级)、《韦克斯勒儿童智力测量》分别测查儿童的数学能力和智力,对64名小学一年级儿童的执行功能(抑制、转换、刷新)和数学能力的关系进行了研究,相关分析和回归分析发现,数学能力与执行功能任务测量都有显著相关,抑制、转换和刷新都分别对数学能力存在显著回归效应;在此基础上,建立了执行功能及其对儿童数学能力的预测模型。结果表明,抑制控制、转换和刷新都能对数学能力产生直接影响,但抑制控制还通过转换和刷新对数学能力产生间接影响。说明儿童数学能力的认知差异,主要在于抑制控制能力的差异,而抑制控制的差异又导致转换和刷新能力表现的差异。 相似文献