发展性阅读障碍的言语短期记忆：颞顶区的作用

IF 2.1 2区心理学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY

Brain and Language Pub Date : 2025-03-21 DOI:10.1016/j.bandl.2025.105570

S. Lukic , T. Qi , C. Watson Pereira , M.L. Mandelli , R. Bogley , M. Shabash , E. Caverzasi , V. Borghesani , N. Dronkers , M.L. Gorno-Tempini

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引用次数: 0

摘要

发展性阅读障碍（DD）的特征是阅读困难，但包括一般的言语短期记忆（vSTM）障碍。然而，DD中vSTM缺陷的行为和大脑基础尚不清楚。81名DD儿童和17名正常发育（TD）儿童完成了核磁共振成像和口头重复任务，其中短语的长度（6和9音节短语）和意义不同（或多或少有意义的短语）。对所有患有DD的儿童进行了一系列的阅读、语音和vSTM测试。与TD相比，患有DD的儿童的重复能力受损，尤其是在重复长而无意义的短语时。重复次数的减少与DD患者左侧颞顶皮层厚度的增加有关。这一研究结果进一步加深了我们对DD的一种神经认知机制的理解，提示重复缺陷可能与语音短期储存和听觉背流有关。

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Verbal short-term memory in developmental dyslexia: The role of the temporoparietal area

Developmental dyslexia (DD) is characterized by difficulties in reading but includes a general verbal short-term memory (vSTM) dysfunction. However, the behavioral and brain basis of vSTM deficits within DD are unknown.

81 children with DD and 17 typically developing (TD) children completed MRI and a verbal repetition task in which length (6 and 9-syllable phrases) and meaningfulness of phrases varied (more or less meaningful phrases). A battery of reading, phonological, and vSTM tests was administered to all children with DD.

Children with DD had impaired repetition compared to TD, especially when repeating long and non-meaningful phrases. Lower repetition was associated with greater cortical thickness in the left temporoparietal area in DD. The findings enhance our understanding of one of the neurocognitive mechanisms of DD, suggesting that the repetition deficit may be related to the phonological short-term store and the auditory dorsal stream.

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来源期刊

Brain and Language 医学-神经科学

CiteScore

4.50

自引率

8.00%

发文量

审稿时长

20.5 weeks

期刊介绍： An interdisciplinary journal, Brain and Language publishes articles that elucidate the complex relationships among language, brain, and behavior. The journal covers the large variety of modern techniques in cognitive neuroscience, including functional and structural brain imaging, electrophysiology, cellular and molecular neurobiology, genetics, lesion-based approaches, and computational modeling. All articles must relate to human language and be relevant to the understanding of its neurobiological and neurocognitive bases. Published articles in the journal are expected to have significant theoretical novelty and/or practical implications, and use perspectives and methods from psychology, linguistics, and neuroscience along with brain data and brain measures.