Inference Processes in Adults with Right Brain Damage
右脑损伤成人的推理过程
基本信息
- 批准号:6694770
- 负责人:
- 金额:$ 7.43万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-01-01 至 2006-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
DESCRIPTION (provided by applicant): Right hemisphere brain damage (RHD) in adults frequently causes comprehension difficulties. One particular aspect of comprehension, inferencing, has been implicated as a source of these difficulties, although it is not clear what stage(s) of the inferencing process could be impaired. Studies of normal inferencing processes suggest that characteristics of contexts, such as recency of mention of inferences and strength of contextual bias, may affect such inferencing processes. Individual differences in comprehension skill and working memory capacity also play a role. These factors have received little attention in the RHD literature. The long-term objective of the proposed project is to build a theory of inferencing deficits in adults with RHD. These objectives are related to the health and well being of stroke patients, as the results of the study will provide a clearer understanding of RHD communication disorders and may improve the efficacy and efficiency of therapy approaches. The specific aims are to: (a) test competing hypotheses regarding recency of mention effects, such that predictive inferences 'disappear' when tested at a point distant from where they were suggested, (b) examine the influence of contextual bias on predictive inferencing, (c) test the assumption that specific inferencing processes are related to discourse comprehension skill and working memory, and (d) explore brain behavior relationships associated with inferencing processes. Two studies will be conducted to address these aims. Methods: Both studies will employ a line-by-line reading time task using experimental stories constructed to bias toward a specific predictive inference, with a target sentence that disconfirms the intended inference. Slowed reading time on the target sentence in experimental versus control conditions will indicate activation of the intended inference. Study A will address recency of mention effects by manipulating the distance between when an inference is suggested and the point of measurement. Reading times for target and post-target sentences will provide evidence for the source of recency of mention effects. In Study B, strength of contextual bias will be manipulated to examine inferencing under contexts will contain either weak or strong bias toward a specific predictive inference. Data from the reading time studies will be correlated with performance on a general discourse comprehension test and a working memory task to
evaluate the relationship between inferencing and these participant characteristics. For both studies, the research design will be a mixed design, with group (RHD and non-brain-damaged) as the between-subjects variable and story condition as the within-subjects variable.
描述(由申请人提供):成人右半球脑损伤(RHD)经常导致理解困难。理解的一个特殊方面,即推理,已被认为是这些困难的一个来源,尽管不清楚推理过程的哪个阶段可能受到损害。对正常推理过程的研究表明,语境的特征,如提及推理的频率和语境偏见的强度,可能会影响这种推理过程。理解能力和工作记忆容量的个体差异也发挥了作用。这些因素在RHD文献中很少受到关注。该项目的长期目标是建立一个推断成人RHD缺陷的理论。这些目标与中风患者的健康和福祉有关,因为研究结果将提供对RHD沟通障碍的更清晰理解,并可能提高治疗方法的疗效和效率。具体目的是:(a)测试关于提及近因效应的竞争性假设,这样预测推理在远离建议地点的地方测试时会“消失”,(b)检查情境偏见对预测推理的影响,(c)测试特定推理过程与话语理解技能和工作记忆相关的假设,以及(d)探索与推理过程相关的大脑行为关系。将进行两项研究以实现这些目标。方法:两项研究都将采用逐行阅读时间任务,使用实验故事来构建偏向于特定预测推断的故事,目标句子与预期推断不符。与对照条件相比,实验条件下目标句子的阅读时间变慢表明预期推理被激活。研究A将通过操纵提出推理和测量点之间的距离来解决提及的近代性效应。目标句和后目标句的阅读时间将为最近提及效应的来源提供证据。在研究B中,情境偏差的强度将被操纵,以检查情境下的推理将包含对特定预测推理的弱或强偏见。阅读时间研究的数据将与一般话语理解测试和工作记忆任务的表现相关联
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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MARGARET LEHMAN BLAKE其他文献
MARGARET LEHMAN BLAKE的其他文献
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{{ truncateString('MARGARET LEHMAN BLAKE', 18)}}的其他基金
Recovery of language and theory of mind after stroke
中风后语言和心理理论的恢复
- 批准号:
10390577 - 财政年份:2022
- 资助金额:
$ 7.43万 - 项目类别:
Recovery of language and theory of mind after stroke
中风后语言和心理理论的恢复
- 批准号:
10735907 - 财政年份:2022
- 资助金额:
$ 7.43万 - 项目类别:
Recovery of language and theory of mind after stroke
中风后语言和心理理论的恢复
- 批准号:
10630056 - 财政年份:2022
- 资助金额:
$ 7.43万 - 项目类别:
Recovery of language and theory of mind after stroke
中风后语言和心理理论的恢复
- 批准号:
10925497 - 财政年份:2022
- 资助金额:
$ 7.43万 - 项目类别:
Inference Processes in Adults with Right Brain Damage
右脑损伤成人的推理过程
- 批准号:
6840427 - 财政年份:2004
- 资助金额:
$ 7.43万 - 项目类别:
Inference Processes in Adults with Right Brain Damage
右脑损伤成人的推理过程
- 批准号:
6998457 - 财政年份:2004
- 资助金额:
$ 7.43万 - 项目类别:
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