Brain and Language最新文献

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Language proficiency is associated with neural representational dimensionality of semantic concepts 语言能力与语义概念的神经表征维度有关。
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-10-09 DOI: 10.1016/j.bandl.2024.105485
Jingxian Zhang, Huiling Li, Jing Qu, Xiaoyu Liu, Xiaoxue Feng, Xin Fu, Leilei Mei
{"title":"Language proficiency is associated with neural representational dimensionality of semantic concepts","authors":"Jingxian Zhang,&nbsp;Huiling Li,&nbsp;Jing Qu,&nbsp;Xiaoyu Liu,&nbsp;Xiaoxue Feng,&nbsp;Xin Fu,&nbsp;Leilei Mei","doi":"10.1016/j.bandl.2024.105485","DOIUrl":"10.1016/j.bandl.2024.105485","url":null,"abstract":"<div><div>Previous studies suggest that semantic concepts are characterized by high-dimensional neural representations and that language proficiency affects semantic processing. However, it is not clear whether language proficiency modulates the dimensional representations of semantic concepts at the neural level. To address this question, the present study adopted principal component analysis (PCA) and representational similarity analysis (RSA) to examine the differences in representational dimensionalities (RDs) and in semantic representations between words in highly proficient (Chinese) and less proficient (English) language. PCA results revealed that language proficiency increased the dimensions of lexical representations in the left inferior frontal gyrus, temporal pole, inferior temporal gyrus, supramarginal gyrus, angular gyrus, and fusiform gyrus. RSA results further showed that these regions represented semantic information and that higher semantic representations were observed in highly proficient language relative to less proficient language. These results suggest that language proficiency is associated with the neural representational dimensionality of semantic concepts.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142402074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mapping the basal temporal language network: a SEEG functional connectivity study 绘制基底颞叶语言网络图:SEEG 功能连接研究。
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-10-09 DOI: 10.1016/j.bandl.2024.105486
Olivier Aron , Insafe Mezjan , Julien Krieg , Mickael Ferrand , Sophie Colnat-Coulbois , Louis Maillard
{"title":"Mapping the basal temporal language network: a SEEG functional connectivity study","authors":"Olivier Aron ,&nbsp;Insafe Mezjan ,&nbsp;Julien Krieg ,&nbsp;Mickael Ferrand ,&nbsp;Sophie Colnat-Coulbois ,&nbsp;Louis Maillard","doi":"10.1016/j.bandl.2024.105486","DOIUrl":"10.1016/j.bandl.2024.105486","url":null,"abstract":"<div><div>The Basal Temporal Language Area (BTLA) is recognized in epilepsy surgery setting when cortical electrical stimulation (CES) of the ventral temporal cortex (VTC) trigger anomia or paraphasia during naming tasks. Despite acknowledging a ventral language stream, current cognitive language models fail to properly integrate this entity. In this SEEG study we used cortico-cortical evoked potentials in nine epileptic patients to assess and compare the effective connectivity of 73 sites in the left VTC of which 26 were deemed eloquent for naming after CES (BTLA). Eloquent sites connectivity supports the existence of a basal temporal language network (BTLN) structured around posterior projectors while the fusiform gyrus behaved as an integrator. BTLN was strongly connected to the amygdala and hippocampus unlike the non-eloquent sites, except for the anterior fusiform gyrus (FG). These observations support the FG as a multimodal functional hub and add to our understanding of ventral temporal language processing.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142402075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Subject relative clause preference in Basque: ERP evidence 巴斯克语中的主语相对从句偏好:ERP证据
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-10-03 DOI: 10.1016/j.bandl.2024.105475
Svetlana Zimnukhova , Mikel Santesteban , Adam Zawiszewski
{"title":"Subject relative clause preference in Basque: ERP evidence","authors":"Svetlana Zimnukhova ,&nbsp;Mikel Santesteban ,&nbsp;Adam Zawiszewski","doi":"10.1016/j.bandl.2024.105475","DOIUrl":"10.1016/j.bandl.2024.105475","url":null,"abstract":"<div><div>Subject-object processing within relative clause (RC) attachments exhibits cross-linguistic asymmetries influenced by various factors, including filler-gap linear or structural distance, morphological case marking, and subject-first preferences (<span><span>Lau &amp; Tanaka, 2021</span></span>). In the Basque language, filler-gap linear distance and morphological case marking have been posited as explanatory factors for the observed object relative clause (ORC) preference in prenominal RCs (<span><span>Carreiras et al., 2010</span></span>). However, recent studies by <span><span>Yetano et al., (2019)</span></span> have identified a behavioral preference for subject relative clause (SRC) constructions in Basque postnominal RCs. To ascertain the primary determinant impacting RC processing, we employed EEG signatures to scrutinize subject-object preferences in temporally ambiguous Basque postnominal RCs. Analysis of event-related potentials (ERPs) unveiled a SRC preference: ORCs elicited augmented negative (LAN: 200–400 ms) and positive (P600: 700–900 ms) components compared to SRCs. Our findings suggest that preferences in RC disambiguation are predominantly shaped by filler-gap linear distance and/or subject-first bias.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142376354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Delineating Region-Specific contributions and connectivity patterns for semantic association and categorization through ROI and Granger causality analysis 通过 ROI 和格兰杰因果关系分析,为语义关联和分类划分特定区域贡献和连接模式
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-10-01 DOI: 10.1016/j.bandl.2024.105476
Chun Yin Liu , Lang Qin , Ran Tao , Wenxiyuan Deng , Tian Jiang , Nizhuan Wang , Stephen Matthews , Wai Ting Siok
{"title":"Delineating Region-Specific contributions and connectivity patterns for semantic association and categorization through ROI and Granger causality analysis","authors":"Chun Yin Liu ,&nbsp;Lang Qin ,&nbsp;Ran Tao ,&nbsp;Wenxiyuan Deng ,&nbsp;Tian Jiang ,&nbsp;Nizhuan Wang ,&nbsp;Stephen Matthews ,&nbsp;Wai Ting Siok","doi":"10.1016/j.bandl.2024.105476","DOIUrl":"10.1016/j.bandl.2024.105476","url":null,"abstract":"<div><div>The neural mechanisms supporting semantic association and categorization are examined in this study. Semantic association involves linking concepts through shared themes, events, or scenes, while semantic categorization organizes meanings hierarchically based on defining features. Twenty-three adults participated in an fMRI study performing categorization and association judgment tasks. Results showed stronger activation in the inferior frontal gyrus during association and marginally weaker activation in the posterior middle temporal gyrus (pMTG) during categorization. Granger causality analysis revealed bottom-up connectivity from the visual cortex to the hippocampus during semantic association, whereas semantic categorization exhibited strong reciprocal connections between the pMTG and frontal semantic control regions, together with information flow from the visual association area and hippocampus to the pars triangularis. We propose that demands on semantic retrieval, precision of semantic representation, perceptual experiences and world knowledge result in observable differences between these two semantic relations.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142359560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Is frontal EEG gamma power a neural correlate of language in toddlerhood? An examination of late talking and expressive language ability 额叶脑电图伽玛功率是幼儿期语言的神经相关因素吗?对晚期说话和语言表达能力的研究。
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-10-01 DOI: 10.1016/j.bandl.2024.105462
Julia I. Nikolaeva , Brittany L. Manning , Elaine Y.L. Kwok , Soujin Choi , Yudong Zhang , Gina M. Giase , Lauren S. Wakschlag , Elizabeth S. Norton
{"title":"Is frontal EEG gamma power a neural correlate of language in toddlerhood? An examination of late talking and expressive language ability","authors":"Julia I. Nikolaeva ,&nbsp;Brittany L. Manning ,&nbsp;Elaine Y.L. Kwok ,&nbsp;Soujin Choi ,&nbsp;Yudong Zhang ,&nbsp;Gina M. Giase ,&nbsp;Lauren S. Wakschlag ,&nbsp;Elizabeth S. Norton","doi":"10.1016/j.bandl.2024.105462","DOIUrl":"10.1016/j.bandl.2024.105462","url":null,"abstract":"<div><div>Few studies have examined neural correlates of late talking in toddlers, which could aid in understanding etiology and improving diagnosis of developmental language disorder (DLD). Greater frontal gamma activity has been linked to better language skills, but findings vary by risk for developmental disorders, and this has not been investigated in late talkers. This study examined whether frontal gamma power (30–50 Hz), from baseline-state electroencephalography (EEG), was related to DLD risk (categorical late talking status) and a continuous measure of expressive language in <em>n</em> = 124 toddlers. Frontal gamma power was significantly associated with late talker status when controlling for demographic factors and concurrent receptive language (<em>β</em> = 1.96, McFadden’s Pseudo <em>R<sup>2</sup></em> = 0.21). Demographic factors and receptive language did not significantly moderate the association between frontal gamma power and late talker status. A continuous measure of expressive language ability was not significantly associated with gamma (<em>r</em> = -0.07). Findings suggest that frontal gamma power may be useful in discriminating between groups of children that differ in DLD risk, but not for expressive language along a continuous spectrum of ability.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Longitudinal trajectories of the neural encoding mechanisms of speech-sound features during the first year of life 一岁内语言声音特征神经编码机制的纵向轨迹
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-09-25 DOI: 10.1016/j.bandl.2024.105474
Marta Puertollano , Teresa Ribas-Prats , Natàlia Gorina-Careta , Siham Ijjou-Kadiri , Sonia Arenillas-Alcón , Alejandro Mondéjar-Segovia , María Dolores Gómez-Roig , Carles Escera
{"title":"Longitudinal trajectories of the neural encoding mechanisms of speech-sound features during the first year of life","authors":"Marta Puertollano ,&nbsp;Teresa Ribas-Prats ,&nbsp;Natàlia Gorina-Careta ,&nbsp;Siham Ijjou-Kadiri ,&nbsp;Sonia Arenillas-Alcón ,&nbsp;Alejandro Mondéjar-Segovia ,&nbsp;María Dolores Gómez-Roig ,&nbsp;Carles Escera","doi":"10.1016/j.bandl.2024.105474","DOIUrl":"10.1016/j.bandl.2024.105474","url":null,"abstract":"<div><div>Infants quickly recognize the sounds of their mother language, perceiving the spectrotemporal acoustic features of speech. However, the underlying neural machinery remains unclear. We used an auditory evoked potential termed frequency-following response (FFR) to unravel the neural encoding maturation for two speech sound characteristics: voice pitch and temporal fine structure. 37 healthy-term neonates were tested at birth and retested at the ages of six and twelve months. Results revealed a reduction in neural phase-locking onset to the stimulus envelope from birth to six months, stabilizing by twelve months. While neural encoding of voice pitch remained consistent across ages, temporal fine structure encoding matured rapidly from birth to six months, without further improvement from six to twelve months. Results highlight the critical importance of the first six months of life in the maturation of neural encoding mechanisms that are crucial for phoneme discrimination during early language acquisition.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142319931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temporary ambiguity and memory for the context of spoken language in adults with moderate-severe traumatic brain injury 中重度脑外伤成人口语语境的暂时模糊性和记忆力
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-09-23 DOI: 10.1016/j.bandl.2024.105471
Kaitlin M. Lord , Melissa C. Duff , Sarah Brown-Schmidt
{"title":"Temporary ambiguity and memory for the context of spoken language in adults with moderate-severe traumatic brain injury","authors":"Kaitlin M. Lord ,&nbsp;Melissa C. Duff ,&nbsp;Sarah Brown-Schmidt","doi":"10.1016/j.bandl.2024.105471","DOIUrl":"10.1016/j.bandl.2024.105471","url":null,"abstract":"<div><div>Language is processed incrementally, with addressees considering multiple candidate interpretations as speech unfolds, supporting the retention of these candidate interpretations in memory. For example, after interpreting the utterance, “<em>Click on the striped bag”</em>, listeners exhibit better memory for non-mentioned items in the context that were temporarily consistent with what was said (e.g., dotted bag), vs. not consistent (e.g., dotted tie), reflecting the encoding of linguistic context in memory. Here, we examine the impact of moderate-severe traumatic brain injury (TBI) on memory for the contexts of language use. Participants with moderate-severe TBI (N=71) and non-injured comparison participants (NC, N=85) interpreted temporarily ambiguous utterances in rich contexts. A subsequent memory test demonstrated that participants with TBI exhibited impaired memory for context items and an attenuated memory advantage for mentioned items compared to NC participants. Nonetheless, participants with TBI showed similar, although attenuated, patterns in memory for temporarily-activated items as NC participants.</div></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142310507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revisiting nonword repetition as a clinical marker of developmental language disorder: Evidence from monolingual and bilingual L2 Cantonese 重新审视作为发育性语言障碍临床标志的非词重复:来自单语和双语中级粤语的证据
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-09-20 DOI: 10.1016/j.bandl.2024.105450
Nga Ching Fu , Angel Chan , Si Chen , Kamila Polišenská , Shula Chiat
{"title":"Revisiting nonword repetition as a clinical marker of developmental language disorder: Evidence from monolingual and bilingual L2 Cantonese","authors":"Nga Ching Fu ,&nbsp;Angel Chan ,&nbsp;Si Chen ,&nbsp;Kamila Polišenská ,&nbsp;Shula Chiat","doi":"10.1016/j.bandl.2024.105450","DOIUrl":"10.1016/j.bandl.2024.105450","url":null,"abstract":"<div><p>Cross-linguistically, nonword repetition (NWR) tasks have been found to differentiate between typically developing (TD) children and those with Developmental Language Disorder (DLD), even when second-language TD (L2-TD) children are considered. This study examined such group differences in Cantonese. Fifty-seven age-matched children (19 monolingual DLD (MonDLD); 19 monolingual TD (MonTD); and 19 L2-TD) repeated language-specific nonwords with varying lexicality levels and Cantonese-adapted quasi-universal nonwords. At whole-nonword level scoring, on the language-specific, High-Lexicality nonwords, MonDLD scored significantly below MonTD and L2-TD groups which did not differ significantly from each other. At syllable-level scoring, the same pattern of group differentiation was found on quasi-universal nonwords. These findings provide evidence from a typologically distinct and understudied language that NWR tasks can capture significant TD/DLD group differences, even for L2-Cantonese TD children with reduced language experience. Future studies should compare the performance of an L2-DLD group and evaluate the sensitivity and specificity of Cantonese NWR.</p></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0093934X24000737/pdfft?md5=2e7057cdf3ef2663005d3477ff594bea&pid=1-s2.0-S0093934X24000737-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142274714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lateralization of activation within the superior temporal gyrus during speech perception in sleeping infants is associated with subsequent language skills in kindergarten: A passive listening task-fMRI study 睡眠中婴儿语言感知过程中颞上回的侧向激活与随后的幼儿园语言能力有关:被动倾听任务-核磁共振成像研究
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-09-14 DOI: 10.1016/j.bandl.2024.105461
Jin Wang , Ted Turesky , Megan Loh , Ja’Kala Barber , Victoria Hue , Elizabeth Escalante , Adrian Medina , Jennifer Zuk , Nadine Gaab
{"title":"Lateralization of activation within the superior temporal gyrus during speech perception in sleeping infants is associated with subsequent language skills in kindergarten: A passive listening task-fMRI study","authors":"Jin Wang ,&nbsp;Ted Turesky ,&nbsp;Megan Loh ,&nbsp;Ja’Kala Barber ,&nbsp;Victoria Hue ,&nbsp;Elizabeth Escalante ,&nbsp;Adrian Medina ,&nbsp;Jennifer Zuk ,&nbsp;Nadine Gaab","doi":"10.1016/j.bandl.2024.105461","DOIUrl":"10.1016/j.bandl.2024.105461","url":null,"abstract":"<div><p>Brain asymmetries are hypothesized to reduce functional duplication and thus have evolutionary advantages. The goal of this study was to examine whether early brain lateralization contributes to skill development within the speech-language domain. To achieve this goal, 25 infants (2–13 months old) underwent behavioral language examination and fMRI during sleep while listening to forward and backward speech, and then were assessed on various language skills at 55–69 months old. We observed that infant functional lateralization of the superior temporal gyrus (STG) for forward &gt; backward speech was associated with phonological, vocabulary, and expressive language skills 4 to 5 years later. However, we failed to observe that infant language skills or the anatomical lateralization of STG were related to subsequent language skills. Overall, our findings suggest that infant functional lateralization of STG for speech perception may scaffold subsequent language acquisition, supporting the hypothesis that functional hemisphere asymmetries are advantageous.</p></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transcranial direct stimulation over left inferior frontal gyrus improves language production and comprehension in post-stroke aphasia: A double-blind randomized controlled study 经颅直接刺激左额叶下回可提高中风后失语症患者的语言能力和理解能力:一项双盲随机对照研究。
IF 2.1 2区 心理学
Brain and Language Pub Date : 2024-09-05 DOI: 10.1016/j.bandl.2024.105459
Zhong Sheng Zheng , Kevin Xing-Long Wang , Henry Millan , Sharon Lee , Melissa Howard , Aaron Rothbart , Emily Rosario , Caroline Schnakers
{"title":"Transcranial direct stimulation over left inferior frontal gyrus improves language production and comprehension in post-stroke aphasia: A double-blind randomized controlled study","authors":"Zhong Sheng Zheng ,&nbsp;Kevin Xing-Long Wang ,&nbsp;Henry Millan ,&nbsp;Sharon Lee ,&nbsp;Melissa Howard ,&nbsp;Aaron Rothbart ,&nbsp;Emily Rosario ,&nbsp;Caroline Schnakers","doi":"10.1016/j.bandl.2024.105459","DOIUrl":"10.1016/j.bandl.2024.105459","url":null,"abstract":"<div><p>Transcranial direct current stimulation (tDCS) targeting Broca’s area has shown promise for augmenting language production in post-stroke aphasia (PSA). However, previous research has been limited by small sample sizes and inconsistent outcomes. This study employed a double-blind, parallel, randomized, controlled design to evaluate the efficacy of anodal Broca’s tDCS, paired with 20-minute speech and language therapy (SLT) focused primarily on expressive language, across 5 daily sessions in 45 chronic PSA patients. Utilizing the Western Aphasia Battery-Revised, which assesses a spectrum of linguistic abilities, we measured changes in both expressive and receptive language skills before and after intervention. The tDCS group demonstrated significant improvements over sham in aphasia quotient, auditory verbal comprehension, and spontaneous speech. Notably, tDCS improved both expressive and receptive domains, whereas sham only benefited expression. These results underscore the broader linguistic benefits of Broca’s area stimulation and support the integration of tDCS with SLT to advance aphasia rehabilitation.</p></div>","PeriodicalId":55330,"journal":{"name":"Brain and Language","volume":null,"pages":null},"PeriodicalIF":2.1,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142146932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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