Handedness and sex of children with developmental language disorders |
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| Authors: | J R Neils D M Aram |
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| Institution: | 1. Center for Functional Onco-Imaging, Department of Radiological Sciences, University of California, 164, Irvine Hall, Irvine, CA 92697-5020;2. Department of Radiology, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan;3. Department of Radiological Technology, China Medical University, Taichung, Taiwan;4. Department of Radiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan;1. Applied Sports, Technology, Exercise and Medicine (A-STEM), Swansea University, Swansea, United Kingdom;2. Institute of Psychology, University of Goettingen, Goettingen, Germany |
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| Abstract: | The handedness and sex of 4- and 5-year-old children with developmental language disorders were studied through a comparison of language disordered children and a normal control group and through a comparison of six linguistically homogeneous subgroups of language disordered children. Differences between the handedness of a generalized language disordered group and a normal control group were not found, possibly due to the multiple etiologies of developmental language disorders. Children with severe language disorders, however, were non-right-handed more often than children with mild language disorders. Furthermore, certain types of linguistic deficits were associated with non-right-handedness, whereas age and cognitive abilities were not. Males were more often language disordered than females; however, sex ratios did not significantly differ among the subgroups, possibly due to the small number of language disordered females in this study. Implications for cerebral laterality in developmental language disorders are discussed. |
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