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Sex but no hand difference in the isthmus of the corpus callosum.

Neurology | Apr 20, 1992

We performed high-resolution magnetic resonance morphometry of the total midsagittal area and seven midsagittal subareas of the corpus callosum in healthy young adult dextrals and sinistrals (N = 52). There was no influence of handedness on these anatomic measurements. However, an effect of sex emerged, with women (N = 26) having a larger proportional isthmus segment of the callosum. This may reflect a sex-specific difference in the interhemispheric connectivity and functional organization of the temporoparietal association cortex.

Pubmed ID: 1565226 RIS Download

Mesh terms: Adult | Analysis of Variance | Corpus Callosum | Female | Functional Laterality | Humans | Magnetic Resonance Imaging | Male | Multivariate Analysis | Sex Characteristics