What is the role of brain lesions in the etiology of dysphagia?

Updated: Mar 20, 2020
  • Author: Nam-Jong Paik, MD, PhD; Chief Editor: Elizabeth A Moberg-Wolff, MD  more...
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Answer

Research by Suntrup-Krueger et al indicated that the location of brain lesions in stroke affects the specific elements of swallowing dysfunction. The investigators found an association between cough reflex disturbance and lesions on the limbic structures of the right hemisphere and sensory regions of the left hemisphere, while oropharyngeal residue and impaired swallow response were found in association with lesions of the parietal-temporal regions of the right hemisphere. [19, 20]


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