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Brain and Language

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https://www.readbyqxmd.com/read/28926795/dissociable-intrinsic-functional-networks-support-noun-object-and-verb-action-processing
#1
Huichao Yang, Qixiang Lin, Zaizhu Han, Hongyu Li, Luping Song, Lingjuan Chen, Yong He, Yanchao Bi
The processing mechanism of verbs-actions and nouns-objects is a central topic of language research, with robust evidence for behavioral dissociation. The neural basis for these two major word and/or conceptual classes, however, remains controversial. Two experiments were conducted to study this question from the network perspective. Experiment 1 found that nodes of the same class, obtained through task-evoked brain imaging meta-analyses, were more strongly connected with each other than nodes of different classes during resting-state, forming segregated network modules...
September 18, 2017: Brain and Language
https://www.readbyqxmd.com/read/28917165/cerebellar-induced-differential-polyglot-aphasia-a-neurolinguistic-and-fmri-study
#2
Peter Mariën, Kim van Dun, Johanna Van Dormael, Dorien Vandenborre, Stefanie Keulen, Mario Manto, Jo Verhoeven, Jubin Abutalebi
Research has shown that linguistic functions in the bilingual brain are subserved by similar neural circuits as in monolinguals, but with extra-activity associated with cognitive and attentional control. Although a role for the right cerebellum in multilingual language processing has recently been acknowledged, a potential role of the left cerebellum remains largely unexplored. This paper reports the clinical and fMRI findings in a strongly right-handed (late) multilingual patient who developed differential polyglot aphasia, ataxic dysarthria and a selective decrease in executive function due to an ischemic stroke in the left cerebellum...
September 13, 2017: Brain and Language
https://www.readbyqxmd.com/read/28899551/relationship-between-neuronal-network-architecture-and-naming-performance-in-temporal-lobe-epilepsy-a-connectome-based-approach-using-machine-learning
#3
REVIEW
B C Munsell, G Wu, J Fridriksson, K Thayer, N Mofrad, N Desisto, D Shen, L Bonilha
Impaired confrontation naming is a common symptom of temporal lobe epilepsy (TLE). The neurobiological mechanisms underlying this impairment are poorly understood but may indicate a structural disorganization of broadly distributed neuronal networks that support naming ability. Importantly, naming is frequently impaired in other neurological disorders and by contrasting the neuronal structures supporting naming in TLE with other diseases, it will become possible to elucidate the common systems supporting naming...
September 9, 2017: Brain and Language
https://www.readbyqxmd.com/read/28869842/changes-in-intrinsic-local-connectivity-after-reading-intervention-in-children-with-autism
#4
Jose O Maximo, Donna L Murdaugh, Sarah O'Kelley, Rajesh K Kana
Most of the existing behavioral and cognitive intervention programs in autism spectrum disorders (ASD) have not been tested at the neurobiological level, thus falling short of finding quantifiable neurobiological changes underlying behavioral improvement. The current study takes a translational neuroimaging approach to test the impact of a structured visual imagery-based reading intervention on improving reading comprehension and assessing its underlying local neural circuitry. Behavioral and resting state functional MRI (rs-fMRI) data were collected from children with ASD who were randomly assigned to an Experimental group (ASD-EXP; n=14) and a Wait-list control group (ASD-WLC; n=14)...
September 1, 2017: Brain and Language
https://www.readbyqxmd.com/read/28865283/the-supramarginal-and-angular-gyri-underlie-orthographic-competence-in-spanish-language
#5
Andrés Antonio González-Garrido, Fernando Alejandro Barrios, Fabiola Reveca Gómez-Velázquez, Daniel Zarabozo-Hurtado
Orthographic competence allows automatic word recognition and reading fluency. To elucidate how the orthographic competence in Spanish-speaking adults might affect the neurofunctional mechanisms of visual word recognition, 32 young adults equally divided in two groups (HSS: High Spelling Skills, and LSS: Low Spelling Skills) were evaluated using fMRI methods, while they performed an orthographic recognition task involving pseudohomophones. HSS achieved significantly more correct responses and lower reaction times than LSS...
August 30, 2017: Brain and Language
https://www.readbyqxmd.com/read/28850882/tone-grammar-association-within-words-concurrent-erp-and-fmri-show-rapid-neural-pre-activation-and-involvement-of-left-inferior-frontal-gyrus-in-pseudoword-processing
#6
Pelle Söderström, Merle Horne, Peter Mannfolk, Danielle van Westen, Mikael Roll
Using a concurrent ERP/fMRI paradigm, we investigated how listeners take advantage of morphologically relevant tonal information at the beginning of words to predict and pre-activate likely word endings. More predictive, low tone word stems gave rise to a 'pre-activation negativity' (PrAN) in the ERPs, a brain potential which has previously been found to increase along with the degree of predictive certainty as regards how a word is going to end. It is suggested that more predictive, low tone stems lead to rapid access to word endings with processing subserved by the left primary auditory cortex as well as the supramarginal gyrus, while high tone stems - which are less predictive - decrease predictive certainty, leading to increased competition between activated word endings, which needs to be resolved by the left inferior frontal gyrus...
August 26, 2017: Brain and Language
https://www.readbyqxmd.com/read/28818624/white-matter-microstructure-integrity-in-relation-to-reading-proficiency%C3%A2
#7
C Nikki Arrington, Paulina A Kulesz, Jenifer Juranek, Paul T Cirino, Jack M Fletcher
Components of reading proficiency such asaccuracy, fluency, and comprehension require the successful coordination of numerous, yet distinct, cortical regions. Underlying white matter tracts allow for communication among these regions. This study utilized unique residualized tract - based spatial statistics methodology to identify the relations of white matter microstructure integrity to three components of reading proficiency in 49 school - aged children with typically developing phonological decoding skills and 27 readers with poor decoders...
August 14, 2017: Brain and Language
https://www.readbyqxmd.com/read/28806599/resting-state-functional-connectivity-of-the-anterior-striatum-and-prefrontal-cortex-predicts-reading-performance-in-school-age-children
#8
Sarael Alcauter, Liliana García-Mondragón, Zeus Gracia-Tabuenca, Martha B Moreno, Juan J Ortiz, Fernando A Barrios
The current study investigated the neural basis of reading performance in 60 school-age Spanish-speaking children, aged 6 to 9years. By using a data-driven approach and an automated matching procedure, we identified a left-lateralized resting state network that included typical language regions (Wernicke's and Broca's regions), prefrontal cortex, pre- and post-central gyri, superior and middle temporal gyri, cerebellum, and subcortical regions, and explored its relevance for reading performance (accuracy, comprehension and speed)...
August 12, 2017: Brain and Language
https://www.readbyqxmd.com/read/28803212/data-driven-classification-of-patients-with-primary-progressive-aphasia
#9
Paul Hoffman, Seyed Ahmad Sajjadi, Karalyn Patterson, Peter J Nestor
Current diagnostic criteria classify primary progressive aphasia into three variants-semantic (sv), nonfluent (nfv) and logopenic (lv) PPA-though the adequacy of this scheme is debated. This study took a data-driven approach, applying k-means clustering to data from 43 PPA patients. The algorithm grouped patients based on similarities in language, semantic and non-linguistic cognitive scores. The optimum solution consisted of three groups. One group, almost exclusively those diagnosed as svPPA, displayed a selective semantic impairment...
August 10, 2017: Brain and Language
https://www.readbyqxmd.com/read/28750252/neural-correlates-of-bilingual-language-control-during-interlingual-homograph-processing-in-a-logogram-writing-system
#10
Ming-Che Hsieh, Hyeonjeong Jeong, Kelssy Hitomi Dos Santos Kawata, Yukako Sasaki, Hsun-Cheng Lee, Satoru Yokoyama, Motoaki Sugiura, Ryuta Kawashima
Bilingual studies using alphabetic languages have shown parallel activation of two languages during word recognition. However, little is known about the brain mechanisms of language control during word comprehension with a logogram writing system. We manipulated the types of words (interlingual homographs (IH), cognates, and language-specific words) and the types of participants (Chinese (L1)-Japanese (L2) bilinguals vs. Japanese monolinguals). Greater activation was found in the bilateral inferior frontal gyri, supplementary motor area, caudate nucleus and left fusiform gyrus, when the bilinguals processed IH, as compared to cognates...
July 24, 2017: Brain and Language
https://www.readbyqxmd.com/read/28738219/finding-features-figuratively
#11
Sarah H Solomon, Sharon L Thompson-Schill
Object concepts refer to unique clusters of properties that can be selectively activated or inhibited depending on what information is currently relevant. This conceptual "stretching" enables limitless new meanings to be generated, and figurative language provides a useful framework in which to study this conceptual flexibility. Here we probe the cognitive and neural mechanisms underlying the comprehension of novel metaphors as a means of understanding the conceptual flexibility inherent to language processing more generally...
July 21, 2017: Brain and Language
https://www.readbyqxmd.com/read/28738218/common-variation-in-the-autism-risk-gene-cntnap2-brain-structural-connectivity-and-multisensory-speech-integration
#12
Lars A Ross, Victor A Del Bene, Sophie Molholm, Young Jae Woo, Gizely N Andrade, Brett S Abrahams, John J Foxe
Three lines of evidence motivated this study. 1) CNTNAP2 variation is associated with autism risk and speech-language development. 2) CNTNAP2 variations are associated with differences in white matter (WM) tracts comprising the speech-language circuitry. 3) Children with autism show impairment in multisensory speech perception. Here, we asked whether an autism risk-associated CNTNAP2 single nucleotide polymorphism in neurotypical adults was associated with multisensory speech perception performance, and whether such a genotype-phenotype association was mediated through white matter tract integrity in speech-language circuitry...
July 21, 2017: Brain and Language
https://www.readbyqxmd.com/read/28715717/reading-network-in-dyslexia-similar-yet-different
#13
Karen E Waldie, Anna J Wilson, Reece P Roberts, David Moreau
Dyslexia is a developmental disorder characterized by reading and phonological difficulties, yet important questions remain regarding its underlying neural correlates. In this study, we used partial least squares (PLS), a multivariate analytic technique, to investigate the neural networks used by dyslexics while performing a word-rhyming task. Although the overall reading network was largely similar in dyslexics and typical readers, it did not correlate with behavior in the same way in the two groups. In particular, there was a positive association between reading performance and both right superior temporal gyrus and bilateral insula activation in dyslexic readers but a negative correlation in typical readers...
July 15, 2017: Brain and Language
https://www.readbyqxmd.com/read/28715718/when-speaker-identity-is-unavoidable-neural-processing-of-speaker-identity-cues-in-natural-speech
#14
Alba Tuninetti, Kateřina Chládková, Varghese Peter, Niels O Schiller, Paola Escudero
Speech sound acoustic properties vary largely across speakers and accents. When perceiving speech, adult listeners normally disregard non-linguistic variation caused by speaker or accent differences, in order to comprehend the linguistic message, e.g. to correctly identify a speech sound or a word. Here we tested whether the process of normalizing speaker and accent differences, facilitating the recognition of linguistic information, is found at the level of neural processing, and whether it is modulated by the listeners' native language...
July 14, 2017: Brain and Language
https://www.readbyqxmd.com/read/28711720/onset-age-of-l2-acquisition-influences-language-network-in-early-and-late-cantonese-mandarin-bilinguals
#15
Xiaojin Liu, Liu Tu, Junjing Wang, Bo Jiang, Wei Gao, Ximin Pan, Meng Li, Miao Zhong, Zhenzhen Zhu, Meiqi Niu, Yanyan Li, Ling Zhao, Xiaoxi Chen, Chang Liu, Zhi Lu, Ruiwang Huang
Early second language (L2) experience influences the neural organization of L2 in neuro-plastic terms. Previous studies tried to reveal these plastic effects of age of second language acquisition (AoA-L2) and proficiency-level in L2 (PL-L2) on the neural basis of language processing in bilinguals. Although different activation patterns have been observed during language processing in early and late bilinguals by task-fMRI, few studies reported the effect of AoA-L2 and high PL-L2 on language network at resting state...
July 13, 2017: Brain and Language
https://www.readbyqxmd.com/read/28709112/mens-inversus-in-corpore-inverso-language-lateralization-in-a-boy-with-situs-inversus-totalis
#16
Anna-Lisa Schuler, Gregor Kasprian, Ernst Schwartz, Rainer Seidl, Mariana C Diogo, Christian Mitter, Georg Langs, Daniela Prayer, Lisa Bartha-Doering
Situs inversus totalis is a rare condition where the visceral organs are organized as a mirror image of default organ position. In this study we picture the co-development between brain and visceral organs in a case of situs inversus totalis from a fetal stage to adolescence and compare our findings to an age-, gender-, and education-matched control with normal position of thoracic and abdominal organs. We show that in this case of situs inversus, functional and structural brain lateralization do not coincide with visceral organ situs...
July 11, 2017: Brain and Language
https://www.readbyqxmd.com/read/28692932/axon-guidance-pathways-served-as-common-targets-for-human-speech-language-evolution-and-related-disorders
#17
Huimeng Lei, Zhangming Yan, Xiaohong Sun, Yue Zhang, Jianhong Wang, Caihong Ma, Qunyuan Xu, Rui Wang, Erich D Jarvis, Zhirong Sun
Human and several nonhuman species share the rare ability of modifying acoustic and/or syntactic features of sounds produced, i.e. vocal learning, which is the important neurobiological and behavioral substrate of human speech/language. This convergent trait was suggested to be associated with significant genomic convergence and best manifested at the ROBO-SLIT axon guidance pathway. Here we verified the significance of such genomic convergence and assessed its functional relevance to human speech/language using human genetic variation data...
July 7, 2017: Brain and Language
https://www.readbyqxmd.com/read/28841425/insensitivity-to-response-contingent-feedback-in-adolescents-with-developmental-language-disorder-dld
#18
Joanna C Lee
The aim of the study was to investigate the efficiency of the use of response-contingent feedback in adolescents with and without developmental language disorder (DLD) by using the balloon analogue risk task (BART). The BIS/BAS scales were also used to evaluate a participant's responses to reward- or punishment-related events in everyday situations. The results showed that adolescents with DLD performed on the BART at a suboptimal level due to inefficient use of response-contingent feedback. Findings of the BIS/BAS scales also generate a possible hypothesis of reduced motivational salience for larger monetary outcomes in DLD...
November 2017: Brain and Language
https://www.readbyqxmd.com/read/28646665/the-n400-in-processing-repeated-name-and-pronoun-anaphors-in-sentences-and-discourse
#19
Amit Almor, Veena A Nair, Timothy W Boiteau, Jennifer M C Vendemia
We report two EEG/ERP experiments that examined processing of repeated name (e.g., Bill; Experiment 1) and pronoun (e.g., he; Experiment 2) subject anaphors to single antecedents (e.g., Bill) and to antecedents embedded in a conjunction (e.g., Bill and Mary) within sentences and discourses. Experiment 1 replicated previous reports of repeated references to single antecedents eliciting greater N400 negativity than repeated references to conjoined antecedents within sentences, and extended these results to cross-sentence (discourse) references...
October 2017: Brain and Language
https://www.readbyqxmd.com/read/28867043/genes-brain-and-language-a-brief-introduction-to-the-special-issue
#20
EDITORIAL
Greig de Zubicaray, Simon E Fisher
No abstract text is available yet for this article.
September 2017: Brain and Language
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