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Phonological processes

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https://www.readbyqxmd.com/read/27933029/drifting-through-basic-subprocesses-of-reading-a-hierarchical-diffusion-model-analysis-of-age-effects-on-visual-word-recognition
#1
Eva Froehlich, Johanna Liebig, Johannes C Ziegler, Mario Braun, Ulman Lindenberger, Hauke R Heekeren, Arthur M Jacobs
Reading is one of the most popular leisure activities and it is routinely performed by most individuals even in old age. Successful reading enables older people to master and actively participate in everyday life and maintain functional independence. Yet, reading comprises a multitude of subprocesses and it is undoubtedly one of the most complex accomplishments of the human brain. Not surprisingly, findings of age-related effects on word recognition and reading have been partly contradictory and are often confined to only one of four central reading subprocesses, i...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27931245/brain-activation-in-frontotemporal-and-alzheimer-s-dementia-a-functional-near-infrared-spectroscopy-study
#2
Florian G Metzger, Betti Schopp, Florian B Haeussinger, Katja Dehnen, Matthis Synofzik, Andreas J Fallgatter, Ann-Christine Ehlis
BACKGROUND: Frontotemporal dementia is an increasingly studied disease, the underlying functional impairments on a neurobiological level of which have not been fully understood. Patients with the behavioral-subtype frontotemporal dementia (bvFTD) are particularly challenging for clinical measurements such as functional imaging due to their behavioral symptoms. Here, an alternative imaging method, functional near-infrared spectroscopy (fNIRS), is introduced to measure task-related cortical brain activation based on blood oxygenation...
December 8, 2016: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/27930777/involvement-of-the-central-cognitive-mechanism-in-word-production-in-adults-who-stutter
#3
Pei-Tzu Tsai, Nan Bernstein Ratner
Purpose: The study examined whether semantic and phonological encoding processes were capacity demanding, involving the central cognitive mechanism, in adults who do and do not stutter (AWS and NS) to better understand the role of cognitive demand in linguistic processing and stuttering. We asked (a) whether the two linguistic processes in AWS are capacity demanding, which can temporally disrupt the processing of a concurrent nonlinguistic task, and (b) whether AWS and NS show similar patterns of temporal disruption in the two processes...
December 8, 2016: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/27929337/where-to-look-for-american-sign-language-asl-sublexical-structure-in-the-visual-world-reply-to-salverda-2016
#4
Amy M Lieberman, Arielle Borovsky, Marla Hatrak, Rachel I Mayberry
In this reply to Salverda (2016), we address a critique of the claims made in our recent study of real-time processing of American Sign Language (ASL) signs using a novel visual world eye-tracking paradigm (Lieberman, Borovsky, Hatrak, & Mayberry, 2015). Salverda asserts that our data do not support our conclusion that native signers and late-learning signers show variable patterns of activation in the presence of phonological competitors. We provide a logical rationale for our study design and present a reanalysis of our data using a modified time window, providing additional evidence for our claim...
December 2016: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/27929336/absence-of-sublexical-representations-in-late-learning-signers-a-statistical-critique-of-lieberman-et-al-2015
#5
Anne Pier Salverda
Lieberman, Borovsky, Hatrak, and Mayberry (2015) used a modified version of the visual-world paradigm to examine the real-time processing of signs in American Sign Language. They examined the activation of phonological and semantic competitors in native signers and late-learning signers and concluded that their results provide evidence that the mental lexicon of late learners is organized differently from that of native signers. In particular, they claimed that late-learning signers, in contrast to native signers, do not activate phonological competitors during the real-time recognition of spoken words...
December 2016: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/27920731/do-you-read-how-i-read-systematic-individual-differences-in-semantic-reliance-amongst-normal-readers
#6
Anna M Woollams, Matthew A Lambon Ralph, Gaston Madrid, Karalyn E Patterson
The extent to which meaning is involved in reading aloud has proven an area of longstanding debate, and current computational models differ on this dimension. The connectionist triangle model proposes that normal individuals rely on semantic information for correct reading of words with atypical spelling-sound relationships, but to varying degrees. This proposed individual difference would account for the varying stage of decline at which patients with semantic dementia first show the reading impairment known as surface dyslexia...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27913156/the-oral-spelling-profile-of-posterior-cortical-atrophy-and-the-nature-of-the-graphemic-representation
#7
Silvia Primativo, Keir X X Yong, Timothy J Shakespeare, Sebastian J Crutch
Spelling is a complex cognitive task where central and peripheral components are involved in engaging resources from many different cognitive processes. The present paper aims to both characterize the oral spelling deficit in a population of patients affected by a neurodegenerative condition and to clarify the nature of the graphemic representation within the currently available spelling models. Indeed, the nature of graphemic representation as a linear or multi-componential structure is still debated. Different hypotheses have been raised about its nature in the orthographic lexicon, with one positing that graphemes are complex objects whereby quantity and identity are separately represented in orthographic representations and can thus be selectively impaired...
November 29, 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27908787/fractionating-the-anterior-temporal-lobe-mvpa-reveals-differential-responses-to-input-and-conceptual-modality
#8
Charlotte Murphy, Shirley-Ann Rueschemeyer, David Watson, Theodoros Karapanagiotidis, Jonathan Smallwood, Elizabeth Jefferies
Words activate cortical regions in accordance with their modality of presentation (i.e., written vs. spoken), yet there is a long-standing debate about whether patterns of activity in any specific brain region capture modality-invariant conceptual information. Deficits in patients with semantic dementia highlight the anterior temporal lobe (ATL) as an amodal store of semantic knowledge but these studies do not permit precise localisation of this function. The current investigation used multiple imaging methods in healthy participants to examine functional dissociations within ATL...
November 28, 2016: NeuroImage
https://www.readbyqxmd.com/read/27903440/auditory-cortical-delta-entrainment-interacts-with-oscillatory-power-in-multiple-fronto-parietal-networks
#9
Anne Keitel, Robin A A Ince, Joachim Gross, Christoph Kayser
The timing of slow auditory cortical activity aligns to the rhythmic fluctuations in speech. This entrainment is considered to be a marker of the prosodic and syllabic encoding of speech, and has been shown to correlate with intelligibility. Yet, whether and how auditory cortical entrainment is influenced by the activity in other speech-relevant areas remains unknown. Using source-localized MEG data, we quantified the dependency of auditory entrainment on the state of oscillatory activity in fronto-parietal regions...
November 26, 2016: NeuroImage
https://www.readbyqxmd.com/read/27900770/what-are-standardized-literacy-and-numeracy-tests-testing-evidence-of-the-domain-general-contributions-to-students-standardized-educational-test-performance
#10
Steven J Howard, Stuart Woodcock, John Ehrich, Sahar Bokosmaty
BACKGROUND: A fundamental aim of standardized educational assessment is to achieve reliable discrimination between students differing in the knowledge, skills and abilities assessed. However, questions of the purity with which these tests index students' genuine abilities have arisen. Specifically, literacy and numeracy assessments may also engage unintentionally assessed capacities. AIMS: The current study investigated the extent to which domain-general processes - working memory (WM) and non-verbal reasoning - contribute to students' standardized test performance and the pathway(s) through which they exert this influence...
November 30, 2016: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/27899738/beyond-phonology-visual-processes-predict-alphanumeric-and-nonalphanumeric-rapid-naming-in-poor-early-readers
#11
Richard S Kruk, Cassia Luther Ruban
Visual processes in Grade 1 were examined for their predictive influences in nonalphanumeric and alphanumeric rapid naming (RAN) in 51 poor early and 69 typical readers. In a lagged design, children were followed longitudinally from Grade 1 to Grade 3 over 5 testing occasions. RAN outcomes in early Grade 2 were predicted by speeded and nonspeeded visual processing measures, after controlling for initial (Grade 1) RAN, matrix reasoning, phonological awareness, and word decoding abilities. A predictive influence of backward visual masking-a speeded visual discrimination task-was found for nonalphanumeric RAN in early Grade 2 but not for alphanumeric RAN or subsequent RAN ability in Grades 2 and 3...
November 29, 2016: Journal of Learning Disabilities
https://www.readbyqxmd.com/read/27894378/an-experimental-approach-to-linguistic-representation
#12
Holly P Branigan, Martin J Pickering
Within the cognitive sciences, most researchers assume that it is the job of linguists to investigate how language is represented, and that they do so largely by building theories based on explicit judgments about patterns of acceptability - whereas it is the task of psychologists to determine how language is processed, and that in doing so, they do not typically question the linguists' representational assumptions. We challenge this division of labor, by arguing that structural priming provides an implicit method of investigating linguistic representations that should end the current reliance on acceptability judgments...
November 29, 2016: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/27891743/ingressive-speech-errors-a-service-evaluation-of-speech-sound-therapy-in-a-child-aged-4-6
#13
Laura Hrastelj, Rachael-Anne Knight
BACKGROUND: A pattern of ingressive substitutions for word-final sibilants can be identified in a small number of cases in child speech disorder, with growing evidence suggesting it is a phonological difficulty, despite the unusual surface form. Phonological difficulty implies a problem with the cognitive process of organizing speech into sound contrasts. AIMS: To evaluate phonological therapy approaches in the remediation of non-pulmonic speech errors. Thus, adding to evidence concerning the nature of ingressive substitutions and their remediation whilst highlighting their occurrence within child speech disorder population for practising and training speech and language therapists...
November 27, 2016: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/27890803/neural-signatures-of-phonological-deficits-in-chinese-developmental-dyslexia
#14
Fan Cao, Xin Yan, Zhao Wang, Yanni Liu, Jin Wang, Gregory J Spray, Yuan Deng
There has been debate on whether phonological deficits explain reading difficulty in Chinese, since Chinese is a logographic language which does not employ grapheme-phoneme-correspondence rules and remote memorization seems to be the main method to acquire reading. In the current study, we present neuroimaging evidence that the phonological deficit is also a signature of Chinese dyslexia. Specifically, we found that Chinese children with dyslexia (DD) showed reduced brain activation in the left dorsal inferior frontal gyrus (dIFG) when compared to both age-matched controls (AC) and reading-matched controls (RC) during an auditory rhyming judgment task...
November 24, 2016: NeuroImage
https://www.readbyqxmd.com/read/27883911/examining-the-relationship-between-rapid-automatized-naming-and-arithmetic-fluency-in-chinese-kindergarten-children
#15
Jiaxin Cui, George K Georgiou, Yiyun Zhang, Yixun Li, Hua Shu, Xinlin Zhou
Rapid automatized naming (RAN) has been found to predict mathematics. However, the nature of their relationship remains unclear. Thus, the purpose of this study was twofold: (a) to examine how RAN (numeric and non-numeric) predicts a subdomain of mathematics (arithmetic fluency) and (b) to examine what processing skills may account for the RAN-arithmetic fluency relationship. A total of 160 third-year kindergarten Chinese children (83 boys and 77 girls, mean age=5.11years) were assessed on RAN (colors, objects, digits, and dice), nonverbal IQ, visual-verbal paired associate learning, phonological awareness, short-term memory, speed of processing, approximate number system acuity, and arithmetic fluency (addition and subtraction)...
November 21, 2016: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/27881196/assessment-of-reading-precursors-in-spanish-speaking-children
#16
Anibal Puente, Jesús M Alvarado, Paz Fernández, Mónica Rosselli, Alfredo Ardila, Amelia Jiménez
This study's purpose was to analyse basic reading processes in different age groups of Spanish-speaking children using confirmatory factor analysis (CFA) and regression analysis. Two hundred forty-five children (aged 4 years and 9 months, to 9 years and 7 months; 120 boys, 125 girls), native Spanish-speakers, were selected from schools in Madrid. All participants were in either their last year of preschool or the first three years of elementary school, depending on their age. Nine classic reading tasks were created and administered to measure three reading skills: word recognition, phonological awareness, and reading comprehension...
November 24, 2016: Spanish Journal of Psychology
https://www.readbyqxmd.com/read/27877120/fronto-parietal-contributions-to-phonological-processes-in-successful-artificial-grammar-learning
#17
Dariya Goranskaya, Jens Kreitewolf, Jutta L Mueller, Angela D Friederici, Gesa Hartwigsen
Sensitivity to regularities plays a crucial role in the acquisition of various linguistic features from spoken language input. Artificial grammar learning paradigms explore pattern recognition abilities in a set of structured sequences (i.e., of syllables or letters). In the present study, we investigated the functional underpinnings of learning phonological regularities in auditorily presented syllable sequences. While previous neuroimaging studies either focused on functional differences between the processing of correct vs...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27875715/common-and-divergent-neural-correlates-of-anomia-in-amnestic-and-logopenic-presentations-of-alzheimer-s-disease
#18
Cristian E Leyton, John R Hodges, Olivier Piguet, Kirrie J Ballard
The majority of logopenic variant primary progressive aphasia (lv-PPA) cases harbour Alzheimer pathology, suggesting that lv-PPA constitutes an atypical presentation of Alzheimer's disease (AD). However, even if caused by Alzheimer pathology, the clinical manifestations of lv-PPA differ from those observed in the typical or amnestic AD presentation: in lv-PPA, aphasia is the main feature while amnestic AD is characterised by impaired episodic memory. Anomia or impaired naming, however, is present in both AD presentations...
November 5, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27875590/spatio-temporal-progression-of-cortical-activity-related-to-continuous-overt-and-covert-speech-production-in-a-reading-task
#19
Jonathan S Brumberg, Dean J Krusienski, Shreya Chakrabarti, Aysegul Gunduz, Peter Brunner, Anthony L Ritaccio, Gerwin Schalk
How the human brain plans, executes, and monitors continuous and fluent speech has remained largely elusive. For example, previous research has defined the cortical locations most important for different aspects of speech function, but has not yet yielded a definition of the temporal progression of involvement of those locations as speech progresses either overtly or covertly. In this paper, we uncovered the spatio-temporal evolution of neuronal population-level activity related to continuous overt speech, and identified those locations that shared activity characteristics across overt and covert speech...
2016: PloS One
https://www.readbyqxmd.com/read/27872371/statistical-learning-in-songbirds-from-self-tutoring-to-song-culture
#20
Olga Fehér, Iva Ljubičić, Kenta Suzuki, Kazuo Okanoya, Ofer Tchernichovski
At the onset of vocal development, both songbirds and humans produce variable vocal babbling with broadly distributed acoustic features. Over development, these vocalizations differentiate into the well-defined, categorical signals that characterize adult vocal behaviour. A broadly distributed signal is ideal for vocal exploration, that is, for matching vocal production to the statistics of the sensory input. The developmental transition to categorical signals is a gradual process during which the vocal output becomes differentiated and stable...
January 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
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