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Inducing Letter-by-letter Dyslexia in Normal Readers

Daniel Fiset, Frédéric Gosselin, Caroline Blais, Martin Arguin
2006 Journal of Cognitive Neuroscience  
Sequential and parallel letter processing in letter-by-letter dyslexia. Cognitive Neuropsychology, 19, 535-555, 2002].  ...  In Experiments 1 and 2, we succeeded in replicating the main features characterizing LBL dyslexia by having normal individuals read low-contrast, high-pass-filtered words.  ...  Fiset, Arguin, and Fiset (in press) attempted to produce LBL dyslexia in normal readers by using lowcontrast, low-pass-filtered words matched for n size and all other relevant variables.  ... 
doi:10.1162/jocn.2006.18.9.1466 pmid:16989548 fatcat:nky3ug6dzjakledou4ljklcw7i

Page 1467 of Journal of Cognitive Neuroscience Vol. 18, Issue 9 [page]

2006 Journal of Cognitive Neuroscience  
Fiset, Arguin, and Fiset (in press) attempted to pro- duce LBL dyslexia in normal readers by using low- contrast, low-pass-filtered words matched for 7 size and all other relevant variables.  ...  By contrast with LBL dyslexic patients, normal readers show no letter confusability effect with normal, broad- band words (Fiset, Arguin & McCabe, 2006; Arguin et al., 2002).  ... 

A Selective Deficit in Phonetic Recalibration by Text in Developmental Dyslexia

Mirjam Keetels, Milene Bonte, Jean Vroomen
2018 Frontiers in Psychology  
Results showed that individuals with DD, unlike normal readers, did not use text to recalibrate their phoneme categories, whereas their recalibration by lipread speech was spared.  ...  In particular, these results highlight diminished reading-related audiovisual learning in addition to the commonly reported phonological problems in developmental dyslexia.  ...  Importantly, dyslexics' recalibration by lipread speech was as in normal readers.  ... 
doi:10.3389/fpsyg.2018.00710 pmid:29867675 pmcid:PMC5962785 fatcat:6wrrkiayorhypldce7225gh77y

Dyslexia: Bridging the Gap between Hearing and Reading

Mark T. Wallace
2009 Current Biology  
By comparison, IFNb is not induced in response to the TLR9 ligand, CpG DNA, in macrophages [8] . The hunt for the cytoplasmic DNA sensor(s) then began in earnest.  ...  [2] reported in this issue of Current Biology provides important new insights into the neural bases of developmental dyslexia, by showing changes in brain activation patterns in dyslexic readers that  ... 
doi:10.1016/j.cub.2009.01.025 pmid:19321145 pmcid:PMC4013749 fatcat:7et5xn3fhzekbnh7az5d2sae5u

Shorter Lines Facilitate Reading in Those Who Struggle

Matthew H. Schneps, Jenny M. Thomson, Gerhard Sonnert, Marc Pomplun, Chen Chen, Amanda Heffner-Wong, Peter Bex
2013 PLoS ONE  
The effects of attention modulation by the hand, and of increased letter spacing to reduce crowding, were also found to modulate the oculomotor dynamics in reading, but whether these factors resulted in  ...  People with dyslexia, who ordinarily struggle to read, sometimes remark that reading is easier when e-readers are used.  ...  While the stronger readers had no difficulty with either spaced or normal text, for the weaker readers, by contrast, spacing did make a difference.  ... 
doi:10.1371/journal.pone.0071161 pmid:23940709 pmcid:PMC3734020 fatcat:fbiwhuqxc5f7djteebhacgb3di

Change detection is impaired in children with dyslexia

Jacqueline S. Rutkowski, David P. Crewther, Sheila G. Crewther
2003 Journal of Vision  
The severe deficits in rapid automatized naming demonstrated by children with developmental dyslexia has usually been interpreted in terms of a deficit in speed of access to the lexicon rather than as  ...  We investigated whether children with developmental dyslexia (DD) were less able to detect change in a simple display-gap-display paradigm than normal reading (NR) children of the same age and children  ...  Development of the magnocellular VEP in children: implications for reading disability. Electroencephalogr Clin Neurophysiol Suppl, 49, 123-128. [PubMed]  ... 
doi:10.1167/3.1.10 pmid:12678629 fatcat:lexva7p2i5aenjxdgkftm6xeju

Holistic word processing in dyslexia

Aisling Conway, Nuala Brady, Karuna Misra, Philip Allen
2017 PLoS ONE  
In Experiment 1 students with dyslexia and controls judged the similarity of pairs of 6-and 7letter words or pairs of words whose letters had been partially jumbled.  ...  While both groups showed sensitivity to orthographic regularity, both word inversion and letter jumbling were more detrimental to skilled than dyslexic readers supporting the idea that the latter may read  ...  normal readers, the VWFA in dyslexic readers does not make this distinction.  ... 
doi:10.1371/journal.pone.0187326 pmid:29121046 pmcid:PMC5679523 fatcat:ruf3iqkkonclziibeadzlsmaxm

Slow perceptual processing at the core of developmental dyslexia: A parameter-based assessment of visual attention

Prisca Stenneken, Johanna Egetemeir, Gerd Schulte-Körne, Hermann J. Müller, Werner X. Schneider, Kathrin Finke
2011 Neuropsychologia  
We investigated a group of high-achieving young adults with persisting dyslexia and matched normal readers in an experimental whole report and a partial report of briefly presented letter arrays.  ...  normal readers.  ...  as normal readers.  ... 
doi:10.1016/j.neuropsychologia.2011.08.021 pmid:21903119 fatcat:qyc6xuyd3farrejsevjynvgjhi

Extra-large letter spacing improves reading in dyslexia

M. Zorzi, C. Barbiero, A. Facoetti, I. Lonciari, M. Carrozzi, M. Montico, L. Bravar, F. George, C. Pech-Georgel, J. C. Ziegler
2012 Proceedings of the National Academy of Sciences of the United States of America  
Thirty Italian children from a public primary school in Trieste, recommended as normal readers by their teachers, were tested individually by an experimenter in a quiet classroom.  ...  If such optimization fails in dyslexic children, their optimal letter spacing will be increased compared with normal readers.  ... 
doi:10.1073/pnas.1205566109 pmid:22665803 pmcid:PMC3396504 fatcat:h46xa67wgvbunpepjwugvhzlq4

Simulating reading acquisition: The link between reading outcome and multimodal brain signatures of letter–speech sound learning in prereaders

Iliana I. Karipidis, Georgette Pleisch, Daniel Brandeis, Alexander Roth, Martina Röthlisberger, Maya Schneebeli, Susanne Walitza, Silvia Brem
2018 Scientific Reports  
We simulated the first step of reading acquisition by performing artificial-letter training with prereading children at risk for dyslexia.  ...  Neuroimaging and behavioural studies have established that impaired audiovisual integration of letters and speech sounds is a core deficit in individuals with developmental dyslexia.  ...  Acknowledgements We thank all children and their families who participated in this study.  ... 
doi:10.1038/s41598-018-24909-8 pmid:29740067 pmcid:PMC5940897 fatcat:dg7cuala7bew5p7fvwmarqvuye

Does Dyslexia Develop from Learning the Alphabet in the Wrong Hemisphere? A Cognitive Neuroscience Analysis

David S. Mather
2001 Brain and Language  
The letter-level and whole-word subtypes of dyslexia are seen as differing responses adopted to cope with this predicament.  ...  A new perspective is described which views developmental dyslexia as the outcome of learning to write the alphabet in the nondominant (right) hemisphere.  ...  The second line of evidence comporting to an anterior-posterior letter-encoding dissociation in dyslexia is the ability of normal readers to encode letters either by distinctive feature sets or by overall  ... 
doi:10.1006/brln.2000.2424 pmid:11247646 fatcat:xc5jeuuykvhtnjadnwtnv55fnu

Reading-Induced Shifts in Speech Perception in Dyslexic and Typically Reading Children

Linda Romanovska, Roef Janssen, Milene Bonte
2019 Frontiers in Psychology  
Recent research in adults demonstrated this text-induced perceptual shift in typical, but not in dyslexic readers.  ...  Our current results instead show significant text-induced recalibration in both typically reading children and children with dyslexia.  ...  ACKNOWLEDGMENTS We would like to thank Giancarlo Valente and Fabian van den Berg for their advice on data analysis and all the children and parents for the time they took to participate in our research  ... 
doi:10.3389/fpsyg.2019.00221 pmid:30792685 pmcid:PMC6374624 fatcat:n5mjpugwynfi5m53ze2mpy6uzq

A General Audiovisual Temporal Processing Deficit in Adult Readers With Dyslexia

Ana A. Francisco, Alexandra Jesse, Margriet A. Groen, James M. McQueen
2017 Journal of Speech, Language and Hearing Research  
Acknowledgments This work was supported by Innovational Research Incentives Scheme Veni Grant 275-89-017 from the Netherlands Organisation for Scientific Research (awarded to Margriet A. Groen).  ...  Readers with dyslexia inadequately process letter-sound associations.  ...  D evelopmental dyslexia is characterized by severe difficulties in attaining an adequate reading level despite normal intelligence and educational opportunities and in the absence of any sensory or neurological  ... 
doi:10.1044/2016_jslhr-h-15-0375 pmid:28056152 fatcat:otsxpi7h5bazvedy6d73nhghui

Intact crowding and temporal masking in dyslexia

Adi Doron, Mauro Manassi, Michael H. Herzog, Merav Ahissar
2015 Journal of Vision  
Vernier stimuli are visually similar to letters and are strongly affected by crowding, even in the fovea. To increase task difficulty, Verniers are often followed by a mask (i.e., backward masking).  ...  We found no group differences in any of these conditions. Controls with fast visual processing (good backward masking performance), were faster readers.  ...  The authors conclude that the children who showed reading acquisition deficits did not suffer from extensive crowding in comparison to normal readers.  ... 
doi:10.1167/15.14.13 pmid:26505966 fatcat:awkwxxfmdvggtfcgaexxxjeugi

Disrupted left fusiform response to print in beginning kindergartners is associated with subsequent reading

T.M. Centanni, E.S. Norton, O. Ozernov-Palchik, A. Park, S.D. Beach, K. Halverson, N. Gaab, J.D.E. Gabrieli
2019 NeuroImage: Clinical  
Here, we measured fMRI activation in response to letters and false fonts in bilateral fusiform gyrus in children with and without risk for dyslexia (defined by family history or low scores on assessments  ...  Compared to typical readers who exhibited no risk factors for reading impairment in kindergarten, there was significant hypoactivation to both letters and false-fonts in the left fusiform gyrus in at-risk  ...  This work was supported by grants from NIH/NICHD (R01HD067312) to JDEG and NG (5R01HD065762) and from the Chan Zuckerberg Foundation to JDEG. Declarations of interest None.  ... 
doi:10.1016/j.nicl.2019.101715 pmid:30798165 pmcid:PMC6389729 fatcat:22kbn2p75rhptldrba7r2dsqn4
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