The Role of the Insular Cortex in Dysphagia

Recent data indicate that dysphagia may occur following unilateral cortical stroke; the elucidation of specific cytoarchitectonic sites that produce deglutition disorders remains unclear

Stephanie K. Daniels

2006

Scholarcy highlights

  • Recent data indicate that dysphagia may occur following unilateral cortical stroke; the elucidation of specific cytoarchitectonic sites that produce deglutition disorders remains unclear
  • As confirmed by videofluoroscopy, was evident in 3 of the 4 patients; all had lesions that involved the anterior insula, whereas the only patient without dysphagia had a lesion restricted to the posterior insula
  • These data suggest that the anterior insula may be an important cortical substrate in swallowing
  • Discrete lesions of the anterior insula may disrupt these connections and, thereby, produce dysphagia

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