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当儿童在接受视觉刺激的故事时,更多地利用执行功能网络与较低的阅读能力有关。

Greater utilization of executive functions networks when listening to stories with visual stimulation is related to lower reading abilities in children.

机构信息

Department of Biomedical Engineering, Technion - IIT, Haifa, Israel.

Department of Biomedical Engineering, Technion - IIT, Haifa, Israel; Educational Neuroimaging Group, Faculty of Education in Science and Technology, Technion - IIT, Haifa, Israel.

出版信息

Brain Cogn. 2024 Jun;177:106161. doi: 10.1016/j.bandc.2024.106161. Epub 2024 May 1.

Abstract

Narrative comprehension relies on basic sensory processing abilities, such as visual and auditory processing, with recent evidence for utilizing executive functions (EF), which are also engaged during reading. EF was previously related to the "supporter" of engaging the auditory and visual modalities in different cognitive tasks, with evidence of lower efficiency in this process among those with reading difficulties in the absence of a visual stimulus (i.e. while listening to stories). The current study aims to fill out the gap related to the level of reliance on these neural circuits while visual aids (pictures) are involved during story listening in relation to reading skills. Functional MRI data were collected from 44 Hebrew-speaking children aged 8-12 years while listening to stories with vs without visual stimuli (i.e., pictures). Functional connectivity of networks supporting reading was defined in each condition and compared between the conditions against behavioral reading measures. Lower reading skills were related to greater functional connectivity values between EF networks (default mode and memory networks), and between the auditory and memory networks for the stories with vs without the visual stimulation. A greater difference in functional connectivity between the conditions was related to lower reading scores. We conclude that lower reading skills in children may be related to a need for greater scaffolding, i.e., visual stimulation such as pictures describing the narratives when listening to stories, which may guide future intervention approaches.

摘要

叙事理解依赖于基本的感官处理能力,如视觉和听觉处理,最近的证据表明还利用了执行功能(EF),阅读时也会用到这些功能。EF 之前与在不同认知任务中“支持”听觉和视觉模式的“支持者”有关,在没有视觉刺激(即听故事时)的情况下,阅读困难的人在这个过程中效率较低。本研究旨在填补与在听故事时使用视觉辅助工具(图片)时依赖这些神经回路的程度相关的空白,同时与阅读技能有关。从 44 名 8-12 岁的希伯来语儿童那里收集了功能磁共振成像数据,这些儿童在听有和没有视觉刺激(即图片)的故事时。在每种情况下都定义了支持阅读的网络的功能连接,并将其与行为阅读测量结果进行了比较。较低的阅读技能与 EF 网络(默认模式和记忆网络)之间以及有和没有视觉刺激的故事之间的听觉和记忆网络之间的功能连接值更大有关。条件之间功能连接的差异越大,阅读分数越低。我们得出结论,儿童较低的阅读技能可能与需要更大的支撑有关,即当听故事时使用描述叙述的图片等视觉刺激,这可能为未来的干预方法提供指导。

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