Functional MRI of swallowing: From neurophysiology to neuroplasticity

Swallowing is a complex neurogenic sensorimotor process involving all levels of the neuraxis and a vast number of muscles and anatomic structures. Disruption of any of these anatomic or functional components can lead to swallowing disorders (also known as dysphagia). Understanding the neural pathway...

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Published inHead & neck Vol. 33; no. S1; pp. S14 - S20
Main Authors Malandraki, Georgia A., Johnson, Sterling, Robbins, JoAnne
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc., A Wiley Company 01.10.2011
Subjects
Brain Ischemia - diagnosis
Brain Stem
Chronic Disease
Cranial Nerves
Deglutition
Deglutition Disorders - etiology
Deglutition Disorders - rehabilitation
Dysphagia
fMRI
Functional magnetic resonance imaging
Head
Humans
Infarction, Middle Cerebral Artery - complications
Infarction, Middle Cerebral Artery - diagnosis
Infarction, Middle Cerebral Artery - rehabilitation
Magnetic Resonance Imaging
Male
Middle Aged
Muscles
Neck
Nerve Net
Neuraxis
Neuroimaging
Neuronal Plasticity
Neurophysiology
neuroplasticity
Plasticity (functional)
Plasticity (neural)
sensorimotor system
swallowing
Treatment Outcome
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Summary:Swallowing is a complex neurogenic sensorimotor process involving all levels of the neuraxis and a vast number of muscles and anatomic structures. Disruption of any of these anatomic or functional components can lead to swallowing disorders (also known as dysphagia). Understanding the neural pathways that govern swallowing is necessary in diagnosing and treating patients with dysphagia. Functional MRI (fMRI) is a prevalent and effective neuroimaging method that has been used to study the complex neurophysiologic control of swallowing in vivo. This article presents a summary of the research studies that have used fMRI to study the neural control of swallowing in normal subjects and dysphagic patients, and to investigate the effects of swallowing treatments on neuroplasticity. Methodologic challenges and caveats are discussed, and a case study of a pre‐posttreatment paradigm is presented to highlight potential future directions of fMRI applications in swallowing research and clinical practice. © 2011 Wiley Periodicals, Inc. Head Neck, 2011
Bibliography:Disclaimer: The contents do not represent the views of the Department of Veterans Affairs or the United States Government.
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ArticleID:HED21903
Proceedings of the Integrative Neural Systems Underlying Vital Aerodigestive Tract Functions Conference, June 17-19, 2010
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Contract grant sponsor: Supported in part by the Department of Venterans affiars, Veterans Health Administration, Office of Research and Development, Rehabilitation Research and Development service, VA Merit Grant C4796R. This is GRECC manuscript #2011-09. This Supplement was jointly supported by funds from the National Institutes for Health (NIDCD - National Institute on Deafness and Other Communication Disorders, Grant #1R13DC009556-01A1S1) and the Division of Otolaryngology - Head and Neck Surgery, University of Wisconsin School of Medicine and Public Health.
Contract grant sponsor: Supported in part by the Department of Venterans affiars, Veterans Health Administration, Office of Research and Development, Rehabilitation Research and Development service, VA Merit Grant C4796R. This is GRECC manuscript #2011–09. This Supplement was jointly supported by funds from the National Institutes for Health (NIDCD – National Institute on Deafness and Other Communication Disorders, Grant #1R13DC009556‐01A1S1) and the Division of Otolaryngology – Head and Neck Surgery, University of Wisconsin School of Medicine and Public Health.
Proceedings of the Integrative Neural Systems Underlying Vital Aerodigestive Tract Functions Conference, June 17–19, 2010
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ISSN:1043-3074
1097-0347
1097-0347
DOI:10.1002/hed.21903