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1
Genome-wide association scan identifies new variants associated with a cognitive predictor of dyslexia
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Genome-wide association scan identifies new variants associated with a cognitive predictor of dyslexia
Abstract: Developmental dyslexia (DD) is one of the most prevalent learning disorders, with high impact on school and psychosocial development and high comorbidity with conditions like attention-deficit hyperactivity disorder (ADHD), depression, and anxiety. DD is characterized by deficits in different cognitive skills, including word reading, spelling, rapid naming, and phonology. To investigate the genetic basis of DD, we conducted a genome-wide association study (GWAS) of these skills within one of the largest studies available, including nine cohorts of reading-impaired and typically developing children of European ancestry (N = 2562–3468). We observed a genome-wide significant effect (p < 1 × 10−8) on rapid automatized naming of letters (RANlet) for variants on 18q12.2, within MIR924HG (micro-RNA 924 host gene; rs17663182 p = 4.73 × 10−9), and a suggestive association on 8q12.3 within NKAIN3 (encoding a cation transporter; rs16928927, p = 2.25 × 10−8). rs17663182 (18q12.2) also showed genome-wide significant multivariate associations with RAN measures (p = 1.15 × 10−8) and with all the cognitive traits tested (p = 3.07 × 10−8), suggesting (relational) pleiotropic effects of this variant. A polygenic risk score (PRS) analysis revealed significant genetic overlaps of some of the DD-related traits with educational attainment (EDUyears) and ADHD. Reading and spelling abilities were positively associated with EDUyears (p ~ [10−5–10−7]) and negatively associated with ADHD PRS (p ~ [10−8−10−17]). This corroborates a long-standing hypothesis on the partly shared genetic etiology of DD and ADHD, at the genome-wide level. Our findings suggest new candidate DD susceptibility genes and provide new insights into the genetics of dyslexia and its comorbities.
URL: https://publications.aston.ac.uk/id/eprint/38216/
https://publications.aston.ac.uk/id/eprint/38216/1/Genome_wide_association_scan_identifies.pdf
https://doi.org/10.1038/s41398-019-0402-0
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3
Increased prevalence of sex chromosome aneuploidies in specific language impairment and dyslexia
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4
The perception of 'sine-wave speech' by adults with developmental dyslexia
In: Journal of speech, language, and hearing research. - Rockville, Md. : American Speech-Language-Hearing Association 46 (2003) 1, 68-79
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5
Impaired sensitivity to dynamic stimuli in poor readers of a regular orthography
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 87 (2003) 2, 259-266
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6
Impaired sensitivity to dynamic stimuli in poor readers of a regular orthography
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 87 (2003) 2, 259-266
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7
On the relationship between dynamic visual and auditory processing and literacy skills : results from a large primary-school study
In: Dyslexia. - Bracknell : British Dyslexia Association 8 (2002) 4, 204-225
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8
On the relationship between dynamic visual and auditory processing and literacy skills; results from a large primary-school study
In: Dyslexia. - Bracknell : British Dyslexia Association 8 (2002) 4, 204-225
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9
Separate influences of acoustic AM and FM sensitivity on the phonological decording skills of impaired and normal readers
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 14 (2002) 6, 866-874
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10
Separate Influences of Acoustic AM and FM Sensitivity on the Phonological Decoding Skills of Impaired
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 14 (2002) 6, 866-874
OLC Linguistik
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11
Controversy about the visual magnocellular deficit in developmental dyslexics
In: Trends in cognitive sciences. - Amsterdam [u.a.] : Elsevier Science 4 (2000) 6, 209-211
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12
Dynamic sensory sensitivity and children's word decoding skills
Talcott, Joel B.; Witton, Caroline; McLean, Maggie F.. - : The National Academy of Sciences, 2000
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13
Impaired neuronal timing in developmental dyslexia : the magnocellular hypothesis
In: Dyslexia. - Bracknell : British Dyslexia Association 5 (1999) 2, 59-77
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