Abstract
Interhemispheric connections of the human temporal lobes were visualized using high angular resolution diffusion tensor imaging tractography.Results are displayed on serial orthogonal sections to reveal detailed spatial relationships.Corpus callosum projections through the splenium form distinct dorsal and ventral bundles and are absent from the caudal splenium.The transcallosal pathway consists of distinct medial and lateral divisions.The results reveal projections to the external capsule and claustrum not previously described.Transcallosal and anterior commissural pathways show complex patterns of overlap and interdigitation.Surface mapping revealed areas with relatively high density of projections to the cortical surface.
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