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Journal Article

Perisylvian white matter connectivity in the human right hemisphere

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External Resource

https://bmcneurosci.biomedcentral.com/track/pdf/10.1186/1471-2202-10-15
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Citation

Gharabaghi, A., Kunath, F., Erb, M., Saur, R., Heckl, S., Tatagiba, M., et al. (2009). Perisylvian white matter connectivity in the human right hemisphere. BMC Neuroscience, 10: 15, pp. 1-6. doi:10.1186/1471-2202-10-15.


Cite as: https://hdl.handle.net/21.11116/0000-0002-C9AF-7
Abstract

Background

By using diffusion tensor magnetic resonance imaging (DTI) and subsequent tractography, a perisylvian language network in the human left hemisphere recently has been identified connecting Brocas's and Wernicke's areas directly (arcuate fasciculus) and indirectly by a pathway through the inferior parietal cortex.
Results

Applying DTI tractography in the present study, we found a similar three-way pathway in the right hemisphere of 12 healthy individuals: a direct connection between the superior temporal and lateral frontal cortex running in parallel with an indirect connection. The latter composed of a posterior segment connecting the superior temporal with the inferior parietal cortex and an anterior segment running from the inferior parietal to the lateral frontal cortex.
Conclusion

The present DTI findings suggest that the perisylvian inferior parietal, superior temporal, and lateral frontal corticies are tightly connected not only in the human left but also in the human right hemisphere.