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Dyslexia speech perception

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https://www.readbyqxmd.com/read/28938227/do-prereaders-auditory-processing-and-speech-perception-predict-later-literacy
#1
Sophie Vanvooren, Hanne Poelmans, Astrid De Vos, Pol Ghesquière, Jan Wouters
Developmental dyslexia has frequently been linked to deficits in auditory processing and speech perception. However, the presence and precise nature of these deficits and the direction of their relation with reading, remains debated. In this longitudinal study, 87 five-year-olds at high and low family risk for dyslexia were followed before and during different stages of reading acquisition. The processing of different auditory cues was investigated, together with performance on speech perception and phonology and reading...
September 19, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28712970/cortical-responses-to-tone-and-phoneme-mismatch-as-a-predictor-of-dyslexia-a-systematic-review
#2
Susanne Volkmer, Gerd Schulte-Körne
Evidence from event-related-potential (ERP) studies has repeatedly shown differences in the perception and processing of auditory stimuli in children with dyslexia compared to control children. The mismatch negativity (MMN) - an ERP component reflecting passive auditory change detection ability - has been found to be reduced, not only in children with a diagnosis of dyslexia, but also in infants and preschool children at risk of developing dyslexia. However, the results are controversial due to the different methods, age of the children and stimuli used...
July 13, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28608732/beyond-auditory-sensory-processing-deficits-lexical-tone-perception-deficits-in-chinese-children-with-developmental-dyslexia
#3
Xiuhong Tong, Xiuli Tong, Fung King Yiu
Increasing evidence suggests that children with developmental dyslexia exhibit a deficit not only at the segmental level of phonological processing but also, by extension, at the suprasegmental level. However, it remains unclear whether such a suprasegmental phonological processing deficit is due to a difficulty in processing acoustic cues of speech rhythm, such as rise time and intensity. This study set out to investigate to what extent suprasegmental phonological processing (i.e., Cantonese lexical tone perception) and rise time sensitivity could distinguish Chinese children with dyslexia from typically developing children...
June 1, 2017: Journal of Learning Disabilities
https://www.readbyqxmd.com/read/28406683/evaluating-the-sources-and-functions-of-gradiency-in-phoneme-categorization-an-individual-differences-approach
#4
Efthymia C Kapnoula, Matthew B Winn, Eun Jong Kong, Jan Edwards, Bob McMurray
During spoken language comprehension listeners transform continuous acoustic cues into categories (e.g., /b/ and /p/). While long-standing research suggests that phonetic categories are activated in a gradient way, there are also clear individual differences in that more gradient categorization has been linked to various communication impairments such as dyslexia and specific language impairments (Joanisse, Manis, Keating, & Seidenberg, 2000; López-Zamora, Luque, Álvarez, & Cobos, 2012; Serniclaes, Van Heghe, Mousty, Carré, & Sprenger-Charolles, 2004; Werker & Tees, 1987)...
September 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28383990/revisiting-the-enigma-of-musicians-with-dyslexia-auditory-sequencing-and-speech-abilities
#5
Jennifer Zuk, Paula Bishop-Liebler, Ola Ozernov-Palchik, Emma Moore, Katie Overy, Graham Welch, Nadine Gaab
Previous research has suggested a link between musical training and auditory processing skills. Musicians have shown enhanced perception of auditory features critical to both music and speech, suggesting that this link extends beyond basic auditory processing. It remains unclear to what extent musicians who also have dyslexia show these specialized abilities, considering often-observed persistent deficits that coincide with reading impairments. The present study evaluated auditory sequencing and speech discrimination in 52 adults comprised of musicians with dyslexia, nonmusicians with dyslexia, and typical musicians...
April 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28290075/audio-visual-speech-perception-in-adult-readers-with-dyslexia-an-fmri-study
#6
Jascha Rüsseler, Zheng Ye, Ivonne Gerth, Gregor R Szycik, Thomas F Münte
Developmental dyslexia is a specific deficit in reading and spelling that often persists into adulthood. In the present study, we used slow event-related fMRI and independent component analysis to identify brain networks involved in perception of audio-visual speech in a group of adult readers with dyslexia (RD) and a group of fluent readers (FR). Participants saw a video of a female speaker saying a disyllabic word. In the congruent condition, audio and video input were identical whereas in the incongruent condition, the two inputs differed...
March 13, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28256107/peripheral-and-central-contribution-to-the-difficulty-of-speech-in-noise-perception-in-dyslexic-children
#7
Axelle Calcus, Paul Deltenre, Cécile Colin, Régine Kolinsky
Noise typically induces both peripheral and central masking of an auditory target. Whereas the idea that a deficit of speech in noise perception is inherent to dyslexia is still debated, most studies have actually focused on the peripheral contribution to the dyslexics' difficulties of perceiving speech in noise. Here, we investigated the respective contribution of both peripheral and central noise in three groups of children: dyslexic, chronological age matched controls (CA), and reading-level matched controls (RL)...
March 2, 2017: Developmental Science
https://www.readbyqxmd.com/read/28223953/predicting-future-reading-problems-based-on-pre-reading-auditory-measures-a-longitudinal-study-of-children-with-a-familial-risk-of-dyslexia
#8
Jeremy M Law, Maaike Vandermosten, Pol Ghesquière, Jan Wouters
Purpose: This longitudinal study examines measures of temporal auditory processing in pre-reading children with a family risk of dyslexia. Specifically, it attempts to ascertain whether pre-reading auditory processing, speech perception, and phonological awareness (PA) reliably predict later literacy achievement. Additionally, this study retrospectively examines the presence of pre-reading auditory processing, speech perception, and PA impairments in children later found to be literacy impaired. Method: Forty-four pre-reading children with and without a family risk of dyslexia were assessed at three time points (kindergarten, first, and second grade)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28056152/a-general-audiovisual-temporal-processing-deficit-in-adult-readers-with-dyslexia
#9
Ana A Francisco, Alexandra Jesse, Margriet A Groen, James M McQueen
Purpose: Because reading is an audiovisual process, reading impairment may reflect an audiovisual processing deficit. The aim of the present study was to test the existence and scope of such a deficit in adult readers with dyslexia. Method: We tested 39 typical readers and 51 adult readers with dyslexia on their sensitivity to the simultaneity of audiovisual speech and nonspeech stimuli, their time window of audiovisual integration for speech (using incongruent /aCa/ syllables), and their audiovisual perception of phonetic categories...
January 1, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/27990724/audio-visual-speech-in-noise-perception-in-dyslexia
#10
Thijs van Laarhoven, Mirjam Keetels, Lemmy Schakel, Jean Vroomen
Individuals with developmental dyslexia (DD) may experience, besides reading problems, other speech-related processing deficits. Here, we examined the influence of visual articulatory information (lip-read speech) at various levels of background noise on auditory word recognition in children and adults with DD. We found that children with a documented history of DD have deficits in their ability to gain benefit from lip-read information that disambiguates noise-masked speech. We show with another group of adult individuals with DD that these deficits persist into adulthood...
December 18, 2016: Developmental Science
https://www.readbyqxmd.com/read/27942706/the-role-of-categorical-speech-perception-and-phonological-processing-in-familial-risk-children-with-and-without-dyslexia
#11
Britt Hakvoort, Elise de Bree, Aryan van der Leij, Ben Maassen, Ellie van Setten, Natasha Maurits, Titia L van Zuijen
Purpose: This study assessed whether a categorical speech perception (CP) deficit is associated with dyslexia or familial risk for dyslexia, by exploring a possible cascading relation from speech perception to phonology to reading and by identifying whether speech perception distinguishes familial risk (FR) children with dyslexia (FRD) from those without dyslexia (FRND). Method: Data were collected from 9-year-old FRD (n = 37) and FRND (n = 41) children and age-matched controls (n = 49) on CP identification and discrimination and on the phonological processing measures rapid automatized naming, phoneme awareness, and nonword repetition...
December 1, 2016: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/27785865/mothers-speak-differently-to-infants-at-risk-for-dyslexia
#12
Marina Kalashnikova, Usha Goswami, Denis Burnham
Dyslexia is a neurodevelopmental disorder manifested in deficits in reading and spelling skills that is consistently associated with difficulties in phonological processing. Dyslexia is genetically transmitted, but its manifestation in a particular individual is thought to depend on the interaction of epigenetic and environmental factors. We adopt a novel interactional perspective on early linguistic environment and dyslexia by simultaneously studying two pre-existing factors, one maternal and one infant, that may contribute to these interactions; and two behaviours, one maternal and one infant, to index the effect of these factors...
October 27, 2016: Developmental Science
https://www.readbyqxmd.com/read/27648974/dichotic-listening-as-an-index-of-lateralization-of-speech-perception-in-familial-risk-children-with-and-without-dyslexia
#13
Britt Hakvoort, Aryan van der Leij, Ellie van Setten, Natasha Maurits, Ben Maassen, Titia van Zuijen
Atypical language lateralization has been marked as one of the factors that may contribute to the development of dyslexia. Indeed, atypical lateralization of linguistic functions such as speech processing in dyslexia has been demonstrated using neuroimaging studies, but also using the behavioral dichotic listening (DL) method. However, so far, DL results have been mixed. The current study assesses lateralization of speech processing by using DL in a sample of children at familial risk (FR) for dyslexia. In order to determine whether atypical lateralization of speech processing relates to reading ability, or is a correlate of being at familial risk, the current study compares the laterality index of FR children who did and did not become dyslexic, and a control group of readers without dyslexia...
November 2016: Brain and Cognition
https://www.readbyqxmd.com/read/27628699/people-with-dyslexia-and%C3%A2-heart-chest-skin-digestive-musculoskeletal-vision-learning-speech-and-mental-disorders-were-more-dissatisfied-with-neighbourhoods-scottish-household-survey-2007-2008
#14
Ivy Shiue
Rarely do we know the perception toward neighbourhoods in people specifically with health conditions. Therefore, the aim of the present study was to understand the perception toward neighbourhoods among adults with a series of the existing health conditions in a country-wide and population-based setting. Data were retrieved from and analysed in Scottish Household Survey, 2007-2008. Information on demographics, self-reported health conditions and perception toward neighbourhoods and the surrounding facilities was obtained by household interview...
December 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27556908/is-there-a-relationship-between-speech-identification-in-noise-and-categorical-perception-in-children-with-dyslexia
#15
Axelle Calcus, Christian Lorenzi, Gregory Collet, Cécile Colin, Régine Kolinsky
PURPOSE: Children with dyslexia have been suggested to experience deficits in both categorical perception (CP) and speech identification in noise (SIN) perception. However, results regarding both abilities are inconsistent, and the relationship between them is still unclear. Therefore, this study aimed to investigate the relationship between CP and the psychometric function of SIN perception. METHOD: Sixteen children with dyslexia, 16 chronological-age controls, and 16 reading-level controls were evaluated in CP of a voicing continuum and in consonant identification in both stationary and fluctuating noises...
August 1, 2016: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/27378833/temporally-regular-musical-primes-facilitate-subsequent-syntax-processing-in-children-with-specific-language-impairment
#16
Nathalie Bedoin, Lucie Brisseau, Pauline Molinier, Didier Roch, Barbara Tillmann
Children with developmental language disorders have been shown to be also impaired in rhythm and meter perception. Temporal processing and its link to language processing can be understood within the dynamic attending theory. An external stimulus can stimulate internal oscillators, which orient attention over time and drive speech signal segmentation to provide benefits for syntax processing, which is impaired in various patient populations. For children with Specific Language Impairment (SLI) and dyslexia, previous research has shown the influence of an external rhythmic stimulation on subsequent language processing by comparing the influence of a temporally regular musical prime to that of a temporally irregular prime...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27303348/perception-of-filtered-speech-by-children-with-developmental-dyslexia-and-children-with-specific-language-impairments
#17
Usha Goswami, Ruth Cumming, Maria Chait, Martina Huss, Natasha Mead, Angela M Wilson, Lisa Barnes, Tim Fosker
Here we use two filtered speech tasks to investigate children's processing of slow (<4 Hz) versus faster (∼33 Hz) temporal modulations in speech. We compare groups of children with either developmental dyslexia (Experiment 1) or speech and language impairments (SLIs, Experiment 2) to groups of typically-developing (TD) children age-matched to each disorder group. Ten nursery rhymes were filtered so that their modulation frequencies were either low-pass filtered (<4 Hz) or band-pass filtered (22 - 40 Hz)...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27115239/development-of-a-pitch-discrimination-screening-test-for-preschool-children
#18
Maria Kulick Abramson, Peter J Lloyd
BACKGROUND: There is a critical need for tests of auditory discrimination for young children as this skill plays a fundamental role in the development of speaking, prereading, reading, language, and more complex auditory processes. Frequency discrimination is important with regard to basic sensory processing affecting phonological processing, dyslexia, measurements of intelligence, auditory memory, Asperger syndrome, and specific language impairment. PURPOSE: This study was performed to determine the clinical feasibility of the Pitch Discrimination Test (PDT) to screen the preschool child's ability to discriminate some of the acoustic demands of speech perception, primarily pitch discrimination, without linguistic content...
April 2016: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/26950210/relationships-between-categorical-perception-of-phonemes-phoneme-awareness-and-visual-attention-span-in-developmental-dyslexia
#19
Rachel Zoubrinetzky, Gregory Collet, Willy Serniclaes, Marie-Ange Nguyen-Morel, Sylviane Valdois
We tested the hypothesis that the categorical perception deficit of speech sounds in developmental dyslexia is related to phoneme awareness skills, whereas a visual attention (VA) span deficit constitutes an independent deficit. Phoneme awareness tasks, VA span tasks and categorical perception tasks of phoneme identification and discrimination using a d/t voicing continuum were administered to 63 dyslexic children and 63 control children matched on chronological age. Results showed significant differences in categorical perception between the dyslexic and control children...
2016: PloS One
https://www.readbyqxmd.com/read/26834689/music-and-dyslexia-a-new-musical-training-method-to-improve-reading-and-related-disorders
#20
Michel Habib, Chloé Lardy, Tristan Desiles, Céline Commeiras, Julie Chobert, Mireille Besson
Numerous arguments in the recent neuroscientific literature support the use of musical training as a therapeutic tool among the arsenal already available to therapists and educators for treating children with dyslexia. In the present study, we tested the efficacy of a specially-designed Cognitivo-Musical Training (CMT) method based upon three principles: (1) music-language analogies: training dyslexics with music could contribute to improve brain circuits which are common to music and language processes; (2) the temporal and rhythmic features of music, which could exert a positive effect on the multiple dimensions of the "temporal deficit" characteristic of some types of dyslexia; and (3) cross-modal integration, based on converging evidence of impaired connectivity between brain regions in dyslexia and related disorders...
2016: Frontiers in Psychology
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