http://neuroactivity.org Neuroscience Research Thu, 10 Jul 2008 20:00:52 +0000 http://backend.userland.com/rss092 en Soros P, Lalone E, Smith R, Stevens T, Theurer J, Menon R, Martin R. Functional MRI of oropharyngeal air-pulse stimulation. Neuroscience 2008, 153: 1300-1308. PubMed Paper Background: Although the posterior oral cavity and oropharynx play a major role in swallowing, their central representation is poorly understood. Methods: High-field functional magnetic resonance ... http://neuroactivity.org/2008/04/03/functional-mri-of-oropharyngeal-air-pulse-stimulation/ The following oral presentation, given at the Dysphagia Research Society 2008 in Charleston, SC, USA, presents a study on somatosensory processing of brief air-pulse stimuli. A more detailed description of this study can be found here. Sörös P, Lalone E, Smith R, Stevens T, Theurer J, Menon R, Martin R. Functional ... http://neuroactivity.org/2008/03/28/dysphagia-research-society-2008/ Sörös P, Böttcher J, Weissenborn K, Selberg O, Müller MJ. Malnutrition and hypermetabolism are not risk factors for the presence of hepatic encephalopathy: a cross-sectional study. Journal of Gastroenterology and Hepatology 2008;23:606-610 PubMed Abstract Aim: We tested the hypothesis that reduced nutritional status or the degree of tissue catabolism are associated ... http://neuroactivity.org/2007/10/31/hepatic-encephalopathy/ Sörös P, Marmurek J, Tam F, Baker N, Staines WR, Graham SJ. Functional MRI of working memory and selective attention in vibrotactile frequency discrimination. BMC Neuroscience 2007, 8:48. PubMed Abstract Reprint Background. To characterise the neural correlates of intact vibrotactile working memory and attention, we conducted functional MRI in ... http://neuroactivity.org/2007/07/18/fmri-of-vibrotactile-processing/ This is a presentation I gave at the Ontario Aphasia Interest Group Teleconference in December 2006. It summarizes the findings of my fMRI study on speech production in healthy younger adults (Neuroimage 2006;32(1):376-387). The presentation is available as Flash web presentation or as a pdf (6 MB). http://neuroactivity.org/2007/03/18/functional-imaging-of-speech-production/ Sörös P, Michael N, Tollkötter M, Pfleiderer B. The neurochemical basis of human cortical auditory processing: Combining proton magnetic resonance spectroscopy and magnetoencephalography. BMC Biology 2006;4:25. PubMed Fulltext Reprint Abstract A combination of magnetoencephalography and proton magnetic resonance spectroscopy was used to correlate the electrophysiology of rapid auditory ... http://neuroactivity.org/2006/08/19/the-neurochemical-basis-of-auditory-processing/ This study in Neurology asks if a complete infarction of the auditory cortex affects the magnetoencephalographic correlates of auditory processing in the contralateral, unaffected hemisphere. We found no evidence for changes in contralateral auditory processing, suggesting that the auditory system does not reorganize after a large unilateral infarction. Sörös P, Dziewas ... http://neuroactivity.org/2006/06/03/auditory-processing-in-stroke/ Clustered fMRI of speech production. This poster depicts the neural network involved in speech production as found in 9 young adults, based on my paper in Neuroimage. Sörös P, Guttman Sokoloff L, Bose A, McIntosh AR, Graham SJ, Stuss DT. Clustered fMRI of speech production. Neuroimage 2006;31(Supplement 1):S113. Download Age-related ... http://neuroactivity.org/2006/05/16/posters-for-human-brain-mapping-2006/ This fMRI study in Neuroimage investigates brain activation during the production of a vowel and consonant-vowel syllables in the magnet. For the reduction of speech-related artefacts, clustered image acquisition was performed. The study revealed the widespread neural circuitry involved in speech production. Sörös P, Sokoloff LG, Bose A, McIntosh AR, Graham ... http://neuroactivity.org/2006/05/14/neural-correlates-of-speech-production/