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Decoding the information structure underlying the neural representation of concepts
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In: Proc Natl Acad Sci U S A (2022)
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Deep Artificial Neural Networks Reveal a Distributed Cortical Network Encoding Propositional Sentence-Level Meaning
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In: J Neurosci (2021)
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Differential Activation of the Visual Word Form Area During Auditory Phoneme Perception in Youth with Dyslexia
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In: Neuropsychologia (2020)
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An Integrated Neural Decoder of Linguistic and Experiential Meaning
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Lesion localization of speech comprehension deficits in chronic aphasia
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The Relationship Between Maternal Education and the Neural Substrates of Phoneme Perception in Children: Interactions Between Socioeconomic Status and Proficiency Level
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Surface Errors Without Semantic Impairment in Acquired Dyslexia: A Voxel-Based Lesion-Symptom Mapping Study ...
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Heteromodal Cortical Areas Encode Sensory-Motor Features of Word Meaning
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Predicting brain activation patterns associated with individual lexical concepts based on five sensory-motor attributes
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Cerebral Localization of Impaired Phonological Retrieval During Rhyme Judgment
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Anatomy is strategy: Skilled reading differences associated with structural connectivity differences in the reading network
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FMRI of Phonemic Perception and Its Relationship to Reading Development in Elementary- to Middle-School-Age Children
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Abstract:
Neuroimaging studies suggest that categorical perception of speech phonemes in adults is primarily subserved by a pathway from bilateral primary auditory areas to association areas in the left middle superior temporal cortex, but the neural substrates underlying categorical speech perception in children are not yet known. Here, fMRI was used to examine the neural substrates associated with phoneme perception in 7- to 12-year-old children as well as the relationships among level of expertise in phoneme perception, the associated activation, and the development of reading and phonological processing abilities. While multiple regions in left frontal, temporal, and parietal cortex were found to be more responsive to phonemic than nonphonemic sounds, the extent of left lateralization in posterior temporal and parietal regions during phonemic relative to nonphonemic discrimination differed depending on the degree of categorical phoneme perception. In addition, an unexpected finding was that proficiency in categorical perception was strongly related to activation in the left ventral occipitotemporal cortex, an area frequently associated with orthographic processing. Furthermore, in children who showed lower proficiency in categorical perception, the level of categorical perception was positively correlated with reading ability and reading and reading-related abilities were inversely correlated with right mid-temporal activation in the phonemic relative to nonphonemic perception contrast. These results suggest that greater specialization of left hemisphere temporal and parietal regions for the categorical perception of phonemes, as well as activation of the region termed the visual word form area, may be important for the optimal developmental refinement of both phoneme perception and reading ability.
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Keyword:
Article
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URL: https://doi.org/10.1016/j.neuroimage.2013.11.055 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4113510 http://www.ncbi.nlm.nih.gov/pubmed/24315840
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The Role of Left Occipitotemporal Cortex in Reading: Reconciling Stimulus, Task, and Lexicality Effects
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Perceptual demand modulates activation of human auditory cortex in response to task-irrelevant sounds
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The Role of Left Occipitotemporal Cortex in Reading: Reconciling Stimulus, Task, and Lexicality Effects
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