Molecular Genetics of Dyslexia: A component processes approach

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/192103

Funding Status
Closed

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Funded Activity Summary

With the advent of the human genome project, Australian researchers into serious childhood reading disorders are now in a position to make breakthroughs in understanding the complex linkages between genes and dyslexia. It is widely acknowledged that previous studies on the genetics of dyslexia have been limited by their failure to distinguish the different component processes in reading and the different patterns of dyslexia that they produce, and by being unable to look widely across the human genome. This new research addresses these two problems. Firstly, the researchers have developed a computational model of reading that identifies around a dozen basic mental processes which are recruited during skilled reading. This model provides the extremely precise phenotypes required for genetic research. Secondly, the researchers will take advantage of both very high density scans within known regions of interest on chromosomes 2,6, and 15, as well as a genome-wide scan of 400 markers small elements of DNA whose position within the genome is known, thus allowing researchers to narrow-down the location of new genes for reading. The research thus promises not only to refine our understanding of the basis for three previous genetic markers of dyslexia, but also to potentially uncover new genes related to specific elements of reading across the genome. The project pools the resources of the Macquarie Centre for Cognitive Science, the Australian Genome Research Facility, and The Garvan Institute and the researchers hope that the work will lead eventually to identifying the genes for dyslexia and to improved diagnosis and treatment of reading disorders in Australia.

Funded Activity Details

Start Date: 01-01-2002

End Date: 01-01-2004

Funding Scheme: NHMRC Project Grants

Funding Amount: $348,960.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Neurogenetics

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

cognitive deficit | cognitive deficits | dyslexia | inherited disorders | language acquisition | linkage analysis | molecular genetics | reading | reading disorder

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