Functional MRI of oropharyngeal air-pulse stimulation

Sörös, Peter; Lalone, Emily A.; Smith, Rebecca C.; Stevens, Todd K.; Theurer, Julie; Menon, Ravi S.; Martin, Ruth Elwood

doi:10.1016/j.neuroscience.2008.02.079

Cited by 58 publications

(43 citation statements)

References 65 publications

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“…An independent component analysis was performed using MELODIC to investigate the presence of artefacts. Components containing artefacts due to head movement or magnetic susceptibility, but not revealing expected brain activation, were removed from the original data set, as described previously (Sörös et al, 2008). The resultant datasets were used for later general linear modelling.…”

Section: Image Analysismentioning

confidence: 99%

Age-related changes in the functional neuroanatomy of overt speech production

Sörös

Bose

Sokoloff

et al. 2011

Neurobiology of Aging

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Alterations of existing neural networks during healthy aging, resulting in behavioral deficits and changes in brain activity, have been described for cognitive, motor, and sensory functions. To investigate age-related changes in the neural circuitry underlying overt non-lexical speech production, functional MRI was performed in 14 healthy younger (21-32 years) and 14 healthy older individuals (62-84 years). The experimental task involved the acoustically cued overt production of the vowel /a/ and the polysyllabic utterance /pataka/. In younger and older individuals, overt speech production was associated with the activation of a widespread articulophonological network, including the primary motor cortex, the supplementary motor area, the cingulate motor areas, and the posterior superior temporal cortex, similar in the /a/ and /pataka/ condition. An analysis of variance with the factors age and condition revealed a significant main effect of age. Irrespective of the experimental condition, significantly greater activation was found in the bilateral posterior superior temporal cortex, the posterior temporal plane, and the transverse temporal gyri in younger compared to older individuals. Significantly greater activation was found in the bilateral middle temporal gyri, medial frontal gyri, middle frontal gyri, and inferior frontal gyri in older vs. younger individuals. The analysis of variance did not reveal a significant main effect of condition and no significant interaction of age and condition. These results suggest a

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Section: Image Analysismentioning

confidence: 99%

Age-related changes in the functional neuroanatomy of overt speech production

Sörös

Bose

Sokoloff

et al. 2011

Neurobiology of Aging

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show abstract

“…Scientific articles were categorized specific features to the swallowing cortical representation (3,(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25) . Research on elderly and patients with dysphagia underwent compared to control groups.…”

Section: Population Studiedmentioning

confidence: 99%

“…Later on, studies began to analyze differences in the cortical areas, responsible for each motor phase, differentiating the role of the structures involved. To this end, electrical stimulation (24) , swallowing by means of air pulses in the oral cavity (13,31) , gustatory stimulation (12,17,24) , olfactory (9) and stimulation of the esophagus (1,6,15 ) were employed.…”

Section: Tasks Usedmentioning

confidence: 99%

“…Guidance provided to different groups of surveyed subjects included visual (3,7,8,10,14,(16)(17)(18)(19)(23)(24)(25)(26)(27)(28)(30)(31)(32) , hearing (6,16,21,29) and sensorial clues (5,9,11,13,15,17,19,24,29) . In studies examining the food swallowing, its ingestion was the track for the patient to swallow, i.e., the absence of formal statement was a major factor, differentiating it from studies with other types of tasks.…”

Section: Stimulation Type and Swallowing Monitoringmentioning

confidence: 99%

“…The authors argue that the use of this type of stimulation useful for research is effective and well tolerated by the subjects, allowing exploring the oral and oropharyngeal sensory systems, increasing the swallowing frequency (13) .…”

Section: Studies Involving Healthy Volunteers Aimed To Search Formentioning

confidence: 99%

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Ressonância magnética funcional e deglutição: revisão sistemática

Ardenghi

Signorini

Battezini

et al. 2015

Audiol., Commun. Res.

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Purpose: Evaluate the feasibility and safety of functional magnetic resonance imaging (fMRI) for the evaluation of cortical areas involved in swallowing. Research strategy: The search was conducted from April 2003 to April 2013, using the keywords "functional magnetic resonance imaging" or "fMRI" and "dysphagia" and "functional magnetic resonance imaging" or "fMRI" and "swallowing" in "PubMed" database.

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Functional brain imaging of swallowing: An activation likelihood estimation meta‐analysis

Sörös

Inamoto

Martin

2008

Human Brain Mapping

112

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A quantitative, voxel-wise meta-analysis was performed to investigate the cortical control of water and saliva swallowing. Studies that were included in the meta-analysis (1) examined water swallowing, saliva swallowing, or both, and (2) reported brain activation as coordinates in standard space. Using these criteria, a systematic literature search identified seven studies that examined water swallowing and five studies of saliva swallowing. An activation likelihood estimation (ALE) meta-analysis of these studies was performed with GingerALE. For water swallowing, clusters with high activation likelihood were found in the bilateral sensorimotor cortex, right inferior parietal lobule, and right anterior insula. For saliva swallowing, clusters with high activation likelihood were found in the left sensorimotor cortex, right motor cortex, and bilateral cingulate gyrus. A between-condition meta-analysis revealed clusters with higher activation likelihood for water than for saliva swallowing in the right inferior parietal lobule, right postcentral gyrus, and right anterior insula. Clusters with higher activation likelihood for saliva than for water swallowing were found in the bilateral supplementary motor area, bilateral anterior cingulate gyrus, and bilateral precentral gyrus. This meta-analysis emphasizes the distributed and partly overlapping cortical networks involved in the control of water and saliva swallowing. Water swallowing is associated with right inferior parietal activation, likely reflecting the sensory processing of intraoral water stimulation. Saliva swallowing more strongly involves premotor areas, which are crucial for the initiation and control of movements.

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Functional MRI of oropharyngeal air-pulse stimulation

Cited by 58 publications

References 65 publications

Age-related changes in the functional neuroanatomy of overt speech production

Age-related changes in the functional neuroanatomy of overt speech production

Ressonância magnética funcional e deglutição: revisão sistemática

Functional brain imaging of swallowing: An activation likelihood estimation meta‐analysis

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