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Total 40 results found since Jan 2013.
A DTI tractography study in pre-readers at risk for dyslexia
Publication date: Available online 26 May 2015 Source:Developmental Cognitive Neuroscience Author(s): Maaike Vandermosten , Jolijn Vanderauwera , Catherine Theys , Astrid De Vos , Sophie Vanvooren , Stefan Sunaert , Jan Wouters , Pol Ghesquière In adults and school-aged children, phonological aspects of reading seem to be sustained by left dorsal regions, while ventral regions seem to be involved in orthographic word recognition. Yet, given that the brain reorganizes during reading acquisition, it is unknown when and how these reading routes emerge and whether neural deficits in dyslexia predate reading onset. Using dif...
Source: Developmental Cognitive Neuroscience - May 27, 2015 Category: Neuroscience Source Type: research
Cognitive Abilities Underlying Reading Accuracy, Fluency and Spelling Acquisition in Korean Hangul Learners from Grades 1 to 4: A Cross‐Sectional Study
The purpose of this cross‐sectional study was to examine the cognitive abilities that predict reading and spelling performance in Korean children in Grades 1 to 4, depending on expertise and reading experience. As a result, visual cognition, phonological awareness, naming speed and receptive vocabulary significantly predicted reading accuracy in children in Grades 1 and 2, whereas visual cognition, phonological awareness and rapid naming speed did not predict reading accuracy in children in higher grades. For reading, fluency, phonological awareness, rapid naming speed and receptive vocabulary were crucial abilities in c...
Source: Dyslexia - May 1, 2015 Category: Neurology Authors: Hyun‐Rin Park, Akira Uno Tags: Research Article Source Type: research
Short‐ and long‐term rhythmic interventions: perspectives for language rehabilitation
We present data testing the hypothesis that temporal attention can be influenced by external rhythmic auditory stimulation (i.e., musical rhythm) and benefits subsequent language processing, including syntax processing and speech production. We also present data testing the hypothesis that phonological awareness can be influenced by several months of musical training and, more particularly, rhythmic training, which in turn improves reading skills. Together, our data support the hypothesis of a causal role of rhythm‐based processing for language processing and acquisition. These results open new avenues for music‐based ...
Source: Annals of the New York Academy of Sciences - March 13, 2015 Category: Science Authors: Daniele Schön, Barbara Tillmann Tags: Original Article Source Type: research
Impaired stress awareness in Spanish children with developmental dyslexia
Publication date: February 2015 Source:Research in Developmental Disabilities, Volume 37 Author(s): Gracia Jiménez-Fernández , Nicolás Gutiérrez-Palma , Sylvia Defior The role of segmental phonology in developmental dyslexia (DD) is well established (e.g., deficit in phonological awareness), but the role of suprasegmental phonology (prosody) has been less widely investigated. Stress is one of the main prosodic features and refers to the relative prominence of syllables (strong/weak) within a word. The aim of the present study is to examine stress awareness in children with dyslexia and the possible mediation of phone...
Source: Research in Developmental Disabilities - December 8, 2014 Category: Disability Source Type: research
Spatial and temporal analysis of postural control in dyslexic children
Postural control involves an intricate relationship between sensory information and motor activity (Lacour and Borel, 1993). In everyday life, quiet standing is a rather simple postural task that is regulated automatically by subcortical nervous structures and spinal motoneuronal pools (Massion, 1994). Dyslexia is a neurobiological disorder characterized by a difficulty in reading acquisition despite adequate intelligence, conventional education and motivation (American Psychiatric Association, 1994).
Source: Clinical Neurophysiology - October 19, 2014 Category: Neuroscience Authors: Nathalie Gouleme, Christophe Loic Gerard, Emmanuel Bui-Quoc, Maria Pia Bucci Source Type: research
Reading in the Brain Revised and Extended: Response to Comments
Reading in the Brain (Les neurones de la lecture, 2007) examined the origins of human reading abilities in the light of contemporary cognitive neuroscience. It argued that reading acquisition, in all cultures, recycles preexisting cortical circuits dedicated to invariant visual recognition, and that the organization of these circuits imposes strong constraints on the invention and cultural evolution of writing systems. In this article, seven years later, I briefly review new experimental evidence, particularly from brain imaging studies of illiterate adults, which indicates that reading acquisition invades culturally unive...
Source: Mind and Language - June 4, 2014 Category: Psychiatry & Psychology Authors: STANISLAS DEHAENE Tags: SYMPOSIUM ON BY STANISLAS DEHAENE Source Type: research
Neurocognitive mechanisms of learning to read: print tuning in beginning readers related to word‐reading fluency and semantics but not phonology
This study demonstrates the presence of print tuning in the first year of reading acquisition and its development at the individual level. Moreover, individual differences in print tuning are not only related to word‐reading fluency, but also to semantic knowledge.
Source: Developmental Science - May 1, 2014 Category: Child Development Authors: Aleksandra K. Eberhard‐Moscicka, Lea B. Jost, Margit Raith, Urs Maurer Tags: Paper Source Type: research
Deconvolution of magnetic acoustic change complex (mACC)
The ability of neurons in the auditory cortex to decode rapidly changing acoustic stimuli is assumed to be necessary for the acquisition of language. Deficiencies in processing rapid auditory information have been linked to disorders of language, presumably because these result in less precise phonological representations of speech (Hämäläinen et al., 2012). Deficits in the perception of time varying sounds (representing spectro-temporal changes in speech) are commonly observed in a variety of clinical populations, including developmental dyslexia, the hearing impaired and cochlear implant users and the children with sp...
Source: Clinical Neurophysiology - March 17, 2014 Category: Neuroscience Authors: Fabrice Bardy, Catherine M. McMahon, Shu Hui Yau, Blake W. Johnson Source Type: research
Contributions of Syntactic Awareness to Reading in Chinese‐speaking Adolescent Readers with and without Dyslexia
This study investigated the relative contribution of syntactic awareness to Chinese reading among Chinese‐speaking adolescent readers with and without dyslexia. A total of 78 junior high school students in Hong Kong, 26 dyslexic adolescent readers, 26 average adolescent readers of the same age (chronological age control group) and 26 younger readers matched with the same reading level (reading‐level group) participated and were administered measures of IQ, syntactic awareness, morphological awareness, vocabulary knowledge, working memory, word reading, and reading comprehension. Results showed that dyslexic readers sco...
Source: Dyslexia - January 21, 2013 Category: Neurology Authors: Kevin K. H. Chung, Connie S‐H Ho, David W. Chan, Suk‐Man Tsang, Suk‐Han Lee Tags: Research Article Source Type: research
