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https://www.readbyqxmd.com/read/28350892/dynamic-assessment-of-narratives-efficient-accurate-identification-of-language-impairment-in-bilingual-students
#1
Douglas B Petersen, Helen Chanthongthip, Teresa A Ukrainetz, Trina D Spencer, Roger W Steeve
Purpose: This study investigated the classification accuracy of a concentrated English narrative dynamic assessment (DA) for identifying language impairment (LI). Method: Forty-two Spanish-English bilingual kindergarten to third-grade children (10 LI and 32 with no LI) were administered two 25-min DA test-teach-test sessions. Pre- and posttest narrative retells were scored in real time. Using a structured intervention approach, examiners taught children missing story grammar elements and subordination...
March 28, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28344564/investigating-the-grammatical-and-pragmatic-origins-of-wh-questions-in-children-with-autism-spectrum-disorders
#2
Manya Jyotishi, Deborah Fein, Letitia Naigles
Compared to typically developing children, children with autism (ASD) show delayed production of wh-questions. It is currently controversial the degree to which such deficits derive from social-pragmatic requirements and/or because these are complex grammatical structures. The current study employed the intermodal preferential looking (IPL) paradigm, which reduces social-pragmatic demands. The IPL paradigm can help distinguish these proposals, as successful comprehension promotes the "pragmatics-origins" argument whereas comprehension difficulties would implicate a "grammatical-origins" argument...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28339747/deep-learning-for-pharmacovigilance-recurrent-neural-network-architectures-for-labeling-adverse-drug-reactions-in-twitter-posts
#3
Anne Cocos, Alexander G Fiks, Aaron J Masino
Objective: Social media is an important pharmacovigilance data source for adverse drug reaction (ADR) identification. Human review of social media data is infeasible due to data quantity, thus natural language processing techniques are necessary. Social media includes informal vocabulary and irregular grammar, which challenge natural language processing methods. Our objective is to develop a scalable, deep-learning approach that exceeds state-of-the-art ADR detection performance in social media...
February 22, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28301102/neural-correlates-of-language-variability-in-preschool-aged-boys-with-autism-spectrum-disorder
#4
Letitia R Naigles, Ryan Johnson, Ann Mastergeorge, Sally Ozonoff, Sally J Rogers, David G Amaral, Christine Wu Nordahl
Children with autism vary widely in their language abilities, yet the neural correlates of this language variability remain unclear, especially early in development. Diffusion tensor imaging (DTI) was used to examine diffusivity measures along the length of 18 major fiber tracts in 104 preschool-aged boys with autism spectrum disorder (ASD). The boys were assigned to subgroups according to their level of language development (Low: no/low language, Middle: small vocabulary, High: large vocabulary and grammar), based on their raw scores on the expressive language (EL) and receptive language (RL) sections of the Mullen Scales of Early Learning (MSEL)...
March 16, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28287768/eye-movements-in-implicit-artificial-grammar-learning
#5
Susana Silva, Filomena Inácio, Vasiliki Folia, Karl Magnus Petersson
Artificial grammar learning (AGL) has been probed with forced-choice behavioral tests (active tests). Recent attempts to probe the outcomes of learning (implicitly acquired knowledge) with eye-movement responses (passive tests) have shown null results. However, these latter studies have not tested for sensitivity effects, for example, increased eye movements on a printed violation. In this study, we tested for sensitivity effects in AGL tests with (Experiment 1) and without (Experiment 2) concurrent active tests (preference- and grammaticality classification) in an eye-tracking experiment...
March 13, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28278601/age-4-predictors-of-oppositional-defiant-disorder-in-early-grammar-school
#6
John V Lavigne, Fred B Bryant, Joyce Hopkins, Karen R Gouze
Our ability to predict which children will exhibit oppositional defiant disorder (ODD) at the time of entry into grammar school at age 6 lags behind our understanding of the risk factors for ODD. This study examined how well a set of multidomain risk factors for ODD assessed in 4-year-old children predicted age 6 ODD diagnostic status. Participants were a diverse sample of 796 4-year-old children (391 boys).The sample was 54% White, non-Hispanic; 16.8% African American, 20.4% Hispanic; 2.4% Asian; and 4.4% Other or mixed race...
February 26, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28277720/artificial-grammar-learning-in-tamarins-saguinus-oedipus-in-varying-stimulus-contexts
#7
Julie J Neiworth, Justin M London, Michael J Flynn, Deborah D Rupert, Owen Alldritt, Caleb Hyde
The human ability to detect regularities in sound sequences is a fundamental substrate of our language faculty. However, is this an ability exclusive to human language processing, or have we usurped a more general learning mechanism for this purpose, one shared with other species? The current study is an attempt to replicate and extend Hauser, Weiss, and Marcus's (2002) retracted study (2010) of artificial grammar learning in tamarins to determine if tamarins can detect an underlying grammatical structure in a pattern of sounds...
March 9, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28266811/multiword-constructions-in-the-grammar
#8
Peter W Culicover, Ray Jackendoff, Jenny Audring
There is ample evidence that speakers' linguistic knowledge extends well beyond what can be described in terms of rules of compositional interpretation stated over combinations of single words. We explore a range of multiword constructions (MWCs) to get a handle both on the extent of the phenomenon and on the grammatical constraints that may govern it. We consider idioms of various sorts, collocations, compounds, light verbs, syntactic nuts, and assorted other constructions, as well as morphology. Our conclusion is that MWCs highlight the central role that grammar plays in licensing MWCs in the lexicon and the creation of novel MWCs, and they help to clarify how the lexicon articulates with the rest of the grammar...
March 7, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28263441/-form-is-easy-meaning-is-hard-revisited-re-characterizing-the-strengths-and-weaknesses-of-language-in-children-with-autism-spectrum-disorder
#9
REVIEW
Letitia R Naigles, Saime Tek
Children with autism spectrum disorder (ASD) demonstrate impairments in social interaction and communication, and in repetitive/stereotypical behaviors. The degree to which children with ASD also manifest impairments in structural language-such as lexicon and grammar-is currently quite controversial. We reframe this controversy in terms of Naigles' (Naigles, Cognition 2002, 86: 157-199) 'form is easy, meaning is hard' thesis, and propose that the social difficulties of children with ASD will lead the meaning-related components of their language to be relatively more impaired than the form-related components...
March 6, 2017: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/28256534/cell-type-specific-epigenomic-analysis-reveals-a-uniquely-closed-chromatin-architecture-in-mouse-rod-photoreceptors
#10
Andrew E O Hughes, Jennifer M Enright, Connie A Myers, Susan Q Shen, Joseph C Corbo
Rod photoreceptors are specialized neurons that mediate vision in dim light and are the predominant photoreceptor type in nocturnal mammals. The rods of nocturnal mammals are unique among vertebrate cell types in having an 'inverted' nuclear architecture, with a dense mass of heterochromatin in the center of the nucleus rather than dispersed clumps at the periphery. To test if this unique nuclear architecture is correlated with a unique epigenomic landscape, we performed ATAC-seq on mouse rods and their most closely related cell type, cone photoreceptors...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28252359/an-across-breed-genome-wide-association-analysis-of-susceptibility-to-paratuberculosis-in-dairy-cattle
#11
Ahmed M Sallam, Yalda Zare, Fazli Alpay, George E Shook, Michael T Collins, Samir Alsheikh, Mahmoud Sharaby, Brian W Kirkpatrick
Paratuberculosis is a chronic disease of ruminants caused by Mycobacterium avium subspecies paratuberculosis (MAP). It occurs worldwide and causes a significant loss in the animal production industry. There is no cure for MAP infection and vaccination is problematic. Identification of genetics of susceptibility could be a useful adjunct for programs that focus on management, testing and culling of diseased animals. A case-control, genome-wide association study (GWAS) was conducted using Holstein and Jersey cattle in a combined analysis in order to identify markers and chromosomal regions associated with susceptibility to MAP infection across-breed...
February 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28241829/real-time-qrs-complex-detection-using-dfa-and-regular-grammar
#12
Salah Hamdi, Asma Ben Abdallah, Mohamed Hedi Bedoui
BACKGROUND: The sequence of Q, R, and S peaks (QRS) complex detection is a crucial procedure in electrocardiogram (ECG) processing and analysis. We propose a novel approach for QRS complex detection based on the deterministic finite automata with the addition of some constraints. This paper confirms that regular grammar is useful for extracting QRS complexes and interpreting normalized ECG signals. A QRS is assimilated to a pair of adjacent peaks which meet certain criteria of standard deviation and duration...
February 28, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28229511/what-explains-the-correlation-between-growth-in-vocabulary-and-grammar-new-evidence-from-latent-change-score-analyses-of-simultaneous-bilingual-development
#13
Erika Hoff, Jamie M Quinn, David Giguere
A close relationship between children's vocabulary size and the grammatical complexity of their speech is well attested but not well understood. The present study used latent change score modeling to examine the dynamic relationships between vocabulary and grammar growth within and across languages in longitudinal data from 90 simultaneous Spanish-English bilingual children who were assessed at 6-month intervals between 30 and 48 months. Slopes of vocabulary and grammar growth were strongly correlated within each language and showed moderate or nonsignificant relationships across languages...
February 22, 2017: Developmental Science
https://www.readbyqxmd.com/read/28220459/-how-would-you-call-this-in-english-being-reflective-about-translations-in-international-cross-cultural-qualitative-research
#14
Esther Helmich, Sayra Cristancho, Laura Diachun, Lorelei Lingard
INTRODUCTION: Medical education researchers increasingly collaborate in international teams, collecting data in different languages and from different parts of the world, and then disseminating them in English-language journals. Although this requires an ever-present need to translate, it often occurs uncritically. With this paper we aim to enhance researchers' awareness and reflexivity regarding translations in qualitative research. METHODS: In an international study, we carried out interviews in both Dutch and English...
February 20, 2017: Perspectives on Medical Education
https://www.readbyqxmd.com/read/28219476/genetic-parameters-and-genome-wide-associations-of-twinning-rate-in-a-local-breed-the-maremmana-cattle
#15
B Moioli, R Steri, C Marchitelli, G Catillo, L Buttazzoni
This study seeks to verify the feasibility of increasing twinning in a herd of the Italian autochtonous Maremmana breed. The data set included 1260 individuals born from 1963 to 2014, 527 males and 733 females, 402 of them calving at least once from 1983 through 2015. Breeding values for twinning were estimated by a single-trait linear animal model. However, since twinning is a dichotomous trait and the frequency of twins is far smaller than the frequency of single births, breeding values were also estimated by a single-trait animal threshold model...
February 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28212388/multiple-processes-in-two-dimensional-visual-statistical-learning
#16
Eiichi Hoshino, Ken Mogi
Knowledge about the arrangement of visual elements is an important aspect of perception. This study investigates whether humans learn rules of two-dimensional abstract patterns (exemplars) generated from Reber's artificial grammar. The key question is whether the subjects can implicitly learn them without explicit instructions, and, if so, how they use the acquired knowledge to judge new patterns (probes) in relation to their finite experience of the exemplars. The analysis was conducted using dissimilarities among patterns, which are defined with n-gram probabilities and the Levenshtein distance...
2017: PloS One
https://www.readbyqxmd.com/read/28193859/genetic-regulatory-signatures-underlying-islet-gene-expression-and-type-2-diabetes
#17
Arushi Varshney, Laura J Scott, Ryan P Welch, Michael R Erdos, Peter S Chines, Narisu Narisu, Ricardo D'O Albanus, Peter Orchard, Brooke N Wolford, Romy Kursawe, Swarooparani Vadlamudi, Maren E Cannon, John P Didion, John Hensley, Anthony Kirilusha, Lori L Bonnycastle, D Leland Taylor, Richard Watanabe, Karen L Mohlke, Michael Boehnke, Francis S Collins, Stephen C J Parker, Michael L Stitzel
Genome-wide association studies (GWAS) have identified >100 independent SNPs that modulate the risk of type 2 diabetes (T2D) and related traits. However, the pathogenic mechanisms of most of these SNPs remain elusive. Here, we examined genomic, epigenomic, and transcriptomic profiles in human pancreatic islets to understand the links between genetic variation, chromatin landscape, and gene expression in the context of T2D. We first integrated genome and transcriptome variation across 112 islet samples to produce dense cis-expression quantitative trait loci (cis-eQTL) maps...
February 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28192818/-benefits-of-measures-to-promote-development-in-language-mathematics-and-singing-in-kindergardeners-analysis-of-data-collected-at-school-entrance-examination-in-the-county-of-biberach
#18
Ulrike Hart, Manfred Wildner, Daniela Krämer, Alexander Crispin
To evaluate the benefits of implementing measures to promote skills in the areas of language, mathematics and singing in kindergardeners by statistical analysis of data collected during the school entrance examination (ESU) of 4-5-year-old children from the county of Biberach. Study 1 employs multivariate regression analysis to analyse - in chronological order - the ESU data on 4 cohorts (2011-2014; n=7 148) of children of the Biberach county. Study 2 qualitatively compares identical data representative of the entire state of Baden-Württemberg (N=3×80 000) with the Biberach results...
February 13, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28187370/language-comprehension-in-children-adolescents-and-adults-with-down-syndrome
#19
Bernadette Witecy, Martina Penke
BACKGROUND: There is conflicting evidence as to whether receptive language abilities of individuals with Down syndrome (DS) continue to improve into adulthood, reach a plateau in late adolescence, or even start to decline. AIM: The study aims to shed light on the question whether receptive syntactic skills change from childhood/adolescence to adulthood and provides a detailed qualitative analysis of the receptive abilities of adults with DS. METHODS: 58 individuals with DS participated in the study: 31 children/adolescents (aged: 4;6-19;0 years) and 27 adults (aged: 20;8-40;3 years)...
March 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28174530/an-event-related-field-study-of-rapid-grammatical-plasticity-in-adult-second-language-learners
#20
Ainhoa Bastarrika, Douglas J Davidson
The present study used magnetoencephalography (MEG) to investigate how Spanish adult learners of Basque respond to morphosyntactic violations after a short period of training on a small fragment of Basque grammar. Participants (n = 17) were exposed to violation and control phrases in three phases (pretest, training, generalization-test). In each phase participants listened to short Basque phrases and they judged whether they were correct or incorrect. During the pre-test and generalization-test, participants did not receive any feedback...
2017: Frontiers in Human Neuroscience
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