The two authors contributed equally to the study.
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SHORT COMMUNICATION
Lesions to the posterior insular cortex cause dysarthria
Article first published online: 19 JUL 2011
DOI: 10.1111/j.1468-1331.2011.03473.x
© 2011 The Author(s). European Journal of Neurology © 2011 EFNS
Additional Information
How to Cite
Baier, B., zu Eulenburg, P., Glassl, O. and Dieterich, M. (2011), Lesions to the posterior insular cortex cause dysarthria. European Journal of Neurology, 18: 1429–1431. doi: 10.1111/j.1468-1331.2011.03473.x
Publication History
- Issue published online: 18 NOV 2011
- Article first published online: 19 JUL 2011
- Received 23 February 2011 Accepted 26 May 2011
- Abstract
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Keywords:
- insula;
- dysarthria;
- stroke;
- lesion mapping
Background: Up to now, there are few systematic studies in a sufficient number of patients with lesions involving the insular cortex (IC) examining whether damage of the IC is directly related to dysarthria. Thus, this is the first study applying modern voxel-lesion behaviour mapping (VLBM) aimed to examine whether the IC is involved in dysarthria – and if so – which part of the IC is involved.
Methods: Twenty-five patients with acute stroke lesions affecting the IC and peri-insular region were investigated employing VLBM analysis.
Results: Present data indicated that dysarthria is associated with stroke lesions affecting the right- and left-sided posterior IC.
Conclusions: Owing to the known extensive spectrum of cortical and subcortical somatosensory and motor connections, it seems that the IC might be one region involved in the generation of speech motor execution.