One possible cause of dyslexia is that it emanates from neurological (brain) factors. This is a biological explanation. There is some evidence that dyslexic people share a group of genes on part of chromosome 6 which is close to the MHC genes that control the immune system. This idea is supported by the evidence that dyslexics often tend to suffer from disorders of the immune system such as asthma and rhemutoid arthritis.
One theory which attempts to explain how dyslexia may be caused by problems in the brain is Gerschwinds theory. …
