Dyslexia Underlying Cause
The exact cause of dyslexia is unknown. There seems to be abnormality in the region of the brain that processes language. The disability seems to be hereditary and it is more common in boys than girls.
- Alexander AW, Slinger-Constant AM. Current status of treatments for dyslexia: critical review. J Child Neurol. 2004 Oct;19(10):744-58. 
- Committee on Children with Disabilities, American Academy of Pediatrics (AAP) and American Academy of Ophthalmology (AAO), American Association for Pediatric Ophthalmology and Strabismus (AAPOS). Learning disabilities, dyslexia, and vision: a subject review. Pediatrics. 1998 Nov;102(5):1217-9. 
- Papanicolaou AC, Simos PG, Breier JI, Fletcher JM, Foorman BR, Francis D, Castillo EM, Davis RN. Brain mechanisms for reading in children with and without dyslexia: a review of studies of normal development and plasticity. Dev Neuropsychol. 2003;24(2-3):593-612.