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https://www.readbyqxmd.com/read/28447226/the-effects-of-phonological-short-term-memory-and-speech-perception-on-spoken-sentence-comprehension-in-children-simulating-deficits-in-an-experimental-design
#1
Meaghan C Higgins, Sarah B Penney, Erin K Robertson
The roles of phonological short-term memory (pSTM) and speech perception in spoken sentence comprehension were examined in an experimental design. Deficits in pSTM and speech perception were simulated through task demands while typically-developing children (N [Formula: see text] 71) completed a sentence-picture matching task. Children performed the control, simulated pSTM deficit, simulated speech perception deficit, or simulated double deficit condition. On long sentences, the double deficit group had lower scores than the control and speech perception deficit groups, and the pSTM deficit group had lower scores than the control group and marginally lower scores than the speech perception deficit group...
April 26, 2017: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/28443048/the-contribution-of-phonological-awareness-to-reading-fluency-and-its-individual-sub-skills-in-readers-aged-9-to-12-years
#2
Zena Elhassan, Sheila G Crewther, Edith L Bavin
Research examining phonological awareness (PA) contributions to reading in established readers of different skill levels is limited. The current study examined the contribution of PA to phonological decoding, visual word recognition, reading rate, and reading comprehension in 124 fourth to sixth grade children (aged 9-12 years). On the basis of scores on the FastaReada measure of reading fluency participants were allocated to one of three reading ability categories: dysfluent (n = 47), moderate (n = 38) and fluent (n = 39)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28442358/an-oscillopathic-approach-to-developmental-dyslexia-from-genes-to-speech-processing
#3
REVIEW
Miguel Jiménez-Bravo, Victoria Marrero, Antonio Benítez-Burraco
Developmental dyslexia is a heterogeneous condition entailing problems with reading and spelling. Several genes have been linked or associated to the disease, many of which contribute to the development and function of brain areas important for auditory and phonological processing. Nonetheless, a clear link between genes, the brain, and the symptoms of dyslexia is still pending. The goal of this paper is contributing to bridge this gap. With this aim, we have focused on how the dyslexic brain fails to process speech sounds and reading cues...
April 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28441063/validating-the-psycholinguistic-aspects-of-litmus-clt-evidence-from-polish-and-norwegian
#4
Pernille Hansen, Hanne Gram Simonsen, Magdalena Łuniewska, Ewa Haman
The novel assessment tool Cross-Linguistic Lexical Tasks (LITMUS-CLT) aims for comparable cross-linguistic assessment of multilingual children's lexical skills by basing each language version on two language-specific variables: age of acquisition (AoA) and complexity index (CI), a novel measure related to phonology, morphology, exposure and etymology. This article investigates the validity of this methodology, asking whether the underlying properties are robust predictors of children's performance. The Polish and Norwegian CLTs were used to assess 32 bilingual Polish-Norwegian, 34 monolingual Norwegian and 36 monolingual Polish children...
April 25, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28440815/15q11-2-cnv-affects-cognitive-structural-and-functional-correlates-of-dyslexia-and-dyscalculia
#5
M O Ulfarsson, G B Walters, O Gustafsson, S Steinberg, A Silva, O M Doyle, M Brammer, D F Gudbjartsson, S Arnarsdottir, G A Jonsdottir, R S Gisladottir, G Bjornsdottir, H Helgason, L M Ellingsen, J G Halldorsson, E Saemundsen, B Stefansdottir, L Jonsson, V K Eiriksdottir, G R Eiriksdottir, G H Johannesdottir, U Unnsteinsdottir, B Jonsdottir, B B Magnusdottir, P Sulem, U Thorsteinsdottir, E Sigurdsson, D Brandeis, A Meyer-Lindenberg, H Stefansson, K Stefansson
Several copy number variants have been associated with neuropsychiatric disorders and these variants have been shown to also influence cognitive abilities in carriers unaffected by psychiatric disorders. Previously, we associated the 15q11.2(BP1-BP2) deletion with specific learning disabilities and a larger corpus callosum. Here we investigate, in a much larger sample, the effect of the 15q11.2(BP1-BP2) deletion on cognitive, structural and functional correlates of dyslexia and dyscalculia. We report that the deletion confers greatest risk of the combined phenotype of dyslexia and dyscalculia...
April 25, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28439565/shared-temporoparietal-dysfunction-in-dyslexia-and-typical-readers-with-discrepantly-high-iq
#6
Roeland Hancock, John D E Gabrieli, Fumiko Hoeft
It is currently believed that reading disability (RD) should be defined by reading level without regard to broader aptitude (IQ). There is debate, however, about how to classify individuals who read in the typical range but less well than would be expected by their higher IQ. We used functional magnetic resonance imaging (fMRI) in 49 children to examine whether those with typical, but discrepantly low reading ability relative to IQ, show dyslexia-like activation patterns during reading. Children who were typical readers with high-IQ discrepancy showed reduced activation in left temporoparietal neocortex relative to two control groups of typical readers without IQ discrepancy...
December 2016: Trends in Neuroscience and Education
https://www.readbyqxmd.com/read/28439144/vocabulary-size-and-auditory-word-recognition-in-preschool-children
#7
Franzo Law, Tristan Mahr, Alissa Schneeberg, Jan Edwards
Recognizing familiar words quickly and accurately facilitates learning new words, as well as other aspects of language acquisition. This study used the visual world paradigm with semantic and phonological competitors to study lexical processing efficiency in 2-5 year-old children. Experiment 1 found this paradigm was sensitive to vocabulary-size differences. Experiment 2 included a more diverse group of children who were tested in their native dialect (either African American English or Mainstream American English)...
January 2017: Applied Psycholinguistics
https://www.readbyqxmd.com/read/28437659/the-relationship-between-maternal-education-and-the-neural-substrates-of-phoneme-perception-in-children-interactions-between-socioeconomic-status-and-proficiency-level
#8
Lisa L Conant, Einat Liebenthal, Anjali Desai, Jeffrey R Binder
Relationships between maternal education (ME) and both behavioral performances and brain activation during the discrimination of phonemic and nonphonemic sounds were examined using fMRI in children with different levels of phoneme categorization proficiency (CP). Significant relationships were found between ME and intellectual functioning and vocabulary, with a trend for phonological awareness. A significant interaction between CP and ME was seen for nonverbal reasoning abilities. In addition, fMRI analyses revealed a significant interaction between CP and ME for phonemic discrimination in left prefrontal cortex...
April 21, 2017: Brain and Language
https://www.readbyqxmd.com/read/28436476/multiplex-lexical-networks-reveal-patterns-in-early-word-acquisition-in-children
#9
Massimo Stella, Nicole M Beckage, Markus Brede
Network models of language have provided a way of linking cognitive processes to language structure. However, current approaches focus only on one linguistic relationship at a time, missing the complex multi-relational nature of language. In this work, we overcome this limitation by modelling the mental lexicon of English-speaking toddlers as a multiplex lexical network, i.e. a multi-layered network where N = 529 words/nodes are connected according to four relationship: (i) free association, (ii) feature sharing, (iii) co-occurrence, and (iv) phonological similarity...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28434678/do-not-let-the-spanish-s-misguide-you
#10
João Malta Barbosa, Graciela Granda Gill, João Mendez Caramês
The orthographic representation of the "s" in the Spanish language may have three phonetic variations and be associated with other phonological phenomena that add to its unpredictability when used to evaluate the closest speaking space. These are of clinical interest since each of these variations may represent a more or less pronounced difference from what is observed in the English language and patient population. The present article explains the previously mentioned variations and reviews the suggested Spanish terms for evaluation of the closest speaking space...
April 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28434284/injection-of-basic-fibroblast-growth-factor-for-unilateral-vocal-cord-paralysis
#11
Takeharu Kanazawa, Kazuya Kurakami, Kazutaka Kashima, Ujimoto Konomi, Daigo Komazawa, Kazuhiro Nakamura, Koji Matsushima, Yusuke Akagi, Kiyoshi Misawa, Hiroshi Nishino, Yusuke Watanabe
OBJECTIVE: Unilateral vocal cord paralysis (UVCP) not only induces severe dysphonia, but aspiration as well. Although laryngeal framework surgery is usually performed to treat this condition, the procedure is not tolerated by some patients. In the previous study, basic fibroblast growth factor (bFGF) injections for vocal cord scarring and sulcus have been reported to provide favorable outcomes while being minimally invasive. In this study, the authors retrospectively investigated phonological outcomes after bFGF injection in patients with UVCP...
April 22, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28434153/machine-learning-xgboost-analysis-of-language-networks-to-classify-patients-with-epilepsy
#12
L Torlay, M Perrone-Bertolotti, E Thomas, M Baciu
Our goal was to apply a statistical approach to allow the identification of atypical language patterns and to differentiate patients with epilepsy from healthy subjects, based on their cerebral activity, as assessed by functional MRI (fMRI). Patients with focal epilepsy show reorganization or plasticity of brain networks involved in cognitive functions, inducing 'atypical' (compared to 'typical' in healthy people) brain profiles. Moreover, some of these patients suffer from drug-resistant epilepsy, and they undergo surgery to stop seizures...
April 22, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28433347/phonological-and-semantic-processing-during-comprehension-in-wernicke-s-aphasia-an-n400-and-phonological-mapping-negativity-study
#13
Holly Robson, Emma Pilkington, Louise Evans, Vincent Deluca, James L Keidel
Comprehension impairments in Wernicke's aphasia are thought to result from a combination of impaired phonological and semantic processes. However, the relationship between these cognitive processes and language comprehension has only been inferred through offline neuropsychological tasks. This study used ERPs to investigate phonological and semantic processing during online single word comprehension. EEG was recorded in a group of Wernicke's aphasia n=8 and control participants n=10 while performing a word-picture verification task...
April 19, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28432867/examining-the-direct-and-indirect-effects-of-visual-verbal-paired-associate-learning-on-chinese-word-reading
#14
George Georgiou, Cuina Liu, Shiyang Xu
Associative learning, traditionally measured with paired associate learning (PAL) tasks, has been found to predict reading ability in several languages. However, it remains unclear whether it also predicts word reading in Chinese, which is known for its ambiguous print-sound correspondences, and whether its effects are direct or indirect through the effects of other reading-related skills such as phonological awareness and rapid naming. Thus, the purpose of this study was to examine the direct and indirect effects of visual-verbal PAL on word reading in an unselected sample of Chinese children followed from the second to the third kindergarten year...
April 19, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28430974/using-transcranial-magnetic-stimulation-of-the-undamaged-brain-to-identify-lesion-sites-that-predict-language-outcome-after-stroke
#15
Diego L Lorca-Puls, Andrea Gajardo-Vidal, Mohamed L Seghier, Alexander P Leff, Varun Sethi, Susan Prejawa, Thomas M H Hope, Joseph T Devlin, Cathy J Price
Transcranial magnetic stimulation focused on either the left anterior supramarginal gyrus or opercular part of the left inferior frontal gyrus has been reported to transiently impair the ability to perform phonological more than semantic tasks. Here we tested whether phonological processing abilities were also impaired following lesions to these regions in right-handed, English speaking adults, who were investigated at least 1 year after a left-hemisphere stroke. When our regions of interest were limited to 0...
April 18, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28430531/phonological-development-of-danish-speaking-children-a-normative-cross-sectional-study
#16
Marit Carolin Clausen, Annette Fox-Boyer
Detailed knowledge about speech development in children acquiring different languages provides important information from a clinical and a theoretical perspective: First, it provides a baseline for the evaluation of whether a child shows typical, delayed or deviant speech development. Further, differences in speech development across languages can help to understand how the phonological systems of ambient languages affects children's speech acquisition. To date, little is known about Danish. It was suggested, however, that the acquisition process might be slower for Danish-speaking children due to the "blurry" sound structure of Danish...
April 21, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28427030/the-relationship-between-sign-production-and-sign-comprehension-what-handedness-reveals
#17
Freya Watkins, Robin L Thompson
Unlike the phonological loop in spoken language monitoring, sign language users' own production provides mostly proprioceptive feedback and only minimal visual feedback. Here we investigate whether sign production influences sign comprehension by exploiting hand dominance in a picture-sign matching task performed by left-handed signers and right-handed signers. Should all signers perform better to right-handed input, this would suggest that a frequency effect in sign perception drives comprehension. However, if signers perform better to congruent-handed input, this would implicate the production system's role in comprehension...
April 17, 2017: Cognition
https://www.readbyqxmd.com/read/28426889/concurrent-and-longitudinal-predictors-of-reading-for-deaf-and-hearing-children-in-primary-school
#18
Margaret Harris, Emmanouela Terlektsi, Fiona Elizabeth Kyle
Forty-one children with severe-profound prelingual hearing loss were assessed on single word reading, reading comprehension, English vocabulary, phonological awareness and speechreading at three time points, 1 year apart (T1-T3). Their progress was compared with that of a group of hearing children of similar nonverbal IQ, initially reading at the same level. Single word reading improved at each assessment point for the deaf children but there was no growth in reading comprehension from T2 to T3. There were no differences between children with cochlear implants and those with hearing aids on either reading measure but orally educated children had higher scores than children who signed in the classroom...
April 1, 2017: Journal of Deaf Studies and Deaf Education
https://www.readbyqxmd.com/read/28425563/differences-in-interregional-brain-connectivity-in-children-with-unilateral-hearing-loss
#19
Matthew E Jung, Miranda Colletta, Rebecca Coalson, Bradley L Schlaggar, Judith E C Lieu
OBJECTIVES: To identify functional network architecture differences in the brains of children with unilateral hearing loss (UHL) using resting-state functional-connectivity magnetic resonance imaging (rs-fcMRI). STUDY DESIGN: Prospective observational study. METHODS: Children (7 to 17 years of age) with severe to profound hearing loss in one ear, along with their normal hearing (NH) siblings, were recruited and imaged using rs-fcMRI. Eleven children had right UHL; nine had left UHL; and 13 had normal hearing...
April 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28424650/the-role-of-the-left-anterior-temporal-lobe-for-unpredictable-and-complex-mappings-in-word-reading
#20
Marilyne Joyal, Simona M Brambati, Robert J Laforce, Maxime Montembeault, Mariem Boukadi, Isabelle Rouleau, Joël Macoir, Sven Joubert, Shirley Fecteau, Maximiliano A Wilson
The anterior temporal lobes (ATLs) have been consistently associated with semantic processing which, in turn, has a key role in reading aloud single words. This study aimed to investigate (1) the reading abilities in patients with the semantic variant of primary progressive aphasia (svPPA), and (2) the relationship between gray matter (GM) volume of the left ATL and word reading performance using voxel-based morphometry (VBM). Three groups of participants (svPPA, Alzheimer's Disease, AD and healthy elderly adults) performed a reading task with exception words, regular words and pseudowords, along with a structural magnetic resonance imaging scan...
2017: Frontiers in Psychology
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