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Behavioural Neurology
Volume 9, Issue 3-4, Pages 119-126

Family History of Handedness and Language Problems in Mexican Reading-Disabled Children

E. Matute,1 S. Guajardo-Cárdenas,1 and M.-de-L. Ramírez-Dueñas2

1Departmento de Estudios en Educación, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
2Division de Genética, Centro de Investigaciones Biomédicas de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, Mexico

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A sample of 120 Spanish-speaking children, 60 with reading disabilities and 60 normal readers was studied. Individual and family history of handedness, language problems, and reading disabilities were analyzed in each case. The results suggest that reading disabilities are more common among boys, that associated language problems are frequent and that handedness is not a significant factor. Insofar as family history is concerned, there were more affected families and relatives in the reading disabled group than in the control group. Finally an association was established between the variables of handedness and language problems.