Search Results - "Menon, R.S"

Functional MRI of oropharyngeal air-pulse stimulation by Sörös, P, Lalone, E, Smith, R, Stevens, T, Theurer, J, Menon, R.S, Martin, R.E

“…Abstract Although the posterior oral cavity and oropharynx play a major role in swallowing, their central representation is poorly understood. High-field…”
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A prospective study of cognitive impairment in ALS by STRONG, M. J, GRACE, G. M, ORANGE, J. B, LEEPER, H. A, MENON, R. S, AERE, C

“…To characterize prospectively the cognitive profile in ALS. Clinically definite ALS patients (11 men, 2 women), age 39.9 to 74.0 years (mean age, 54.2 +/- 9.6…”
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Comparison of the quantification precision of human short echo time1H spectroscopy at 1.5 and 4.0 Tesla by Bartha, R., Drost, D.J., Menon, R.S., Williamson, P.C.

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Comparison of Multiple Sclerosis Cortical Lesion Types Detected by Multicontrast 3T and 7T MRI by Maranzano, J, Dadar, M, Rudko, D A, De Nigris, D, Elliott, C, Gati, J S, Morrow, S A, Menon, R S, Collins, D L, Arnold, D L, Narayanan, S

“…Our aims were the following: 1) to compare multicontrast cortical lesion detection using 3T and 7T MR imaging, 2) to compare cortical lesion type frequency in…”
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Morphology-Specific Discrimination between MS White Matter Lesions and Benign White Matter Hyperintensities Using Ultra-High-Field MRI by Hosseini, Z, Matusinec, J, Rudko, D A, Liu, J, Kwan, B Y M, Salehi, F, Sharma, M, Kremenchutzky, M, Menon, R S, Drangova, M

“…Recently published North American Imaging in Multiple Sclerosis guidelines call for derivation of a specific radiologic definition of MS WM lesions and mimics…”
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Initial Investigation into Microbleeds and White Matter Signal Changes following Radiotherapy for Low-Grade and Benign Brain Tumors Using Ultra-High-Field MRI Techniques by Belliveau, J-G, Bauman, G S, Tay, K Y, Ho, D, Menon, R S

“…External beam radiation therapy is a common treatment for many brain neoplasms. While external beam radiation therapy adheres to dose limits to protect the…”
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Highcor: A novel data-driven regressor identification method for BOLD fMRI by Curtis, A.T., Menon, R.S.

“…A data-driven regressor selection technique for reducing physiological noise in BOLD fMRI is presented that capitalizes on additional information contained in…”
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Comparison of multiecho postprocessing schemes for SWI with use of linear and nonlinear mask functions by Quinn, M P, Gati, J S, Klassen, L M, Lin, A W, Bird, J R, Leung, S E, Menon, R S

“…SWI is an MR technique conventionally implemented with single-echo gradient-echo data. The purpose of this study was to compare single-echo SWI processing and…”
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Perirhinal and hippocampal contributions to visual recognition memory can be distinguished from those of occipito-temporal structures based on conscious awareness of prior occurrence by Danckert, S.L., Gati, J.S., Menon, R.S., Köhler, S.

“…The ability of humans to distinguish consciously between new and previously encountered objects can be probed with visual recognition memory tasks that require…”
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Functional brain mapping by blood oxygenation level-dependent contrast magnetic resonance imaging. A comparison of signal characteristics with a biophysical model by Ogawa, S., Menon, R.S., Tank, D.W., Kim, S.G., Merkle, H., Ellermann, J.M., Ugurbil, K.

“…It recently has been demonstrated that magnetic resonance imaging can be used to map changes in brain hemodynamics produced by human mental operations. One…”
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Spectroscopic lineshape correction by QUECC: Combined QUALITY deconvolution and eddy current correction by Bartha, R., Drost, D.J., Menon, R.S., Williamson, P.C.

“…Lineshape distortion due to residual eddy currents and magnetic field inhomogeneities are often present in short echo time 1H spectroscopic data. Lineshape…”
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A registration algorithm for functional MRI time series by Zhang, S., Menon, R.S.

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23Na fMRI at 4 T Using Gradient-Recalled Echo FLASH by Goodyear, B.G., Gati, J.S., Menon, R.S.

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4.0 Tesla 1H MRS correlates of neuronal degeneration in the left anterior cingulate and thalamus in first episode and chronic schizophrenic patients by Williamson, P.C., Theberge, J., Malla, A.K., Neufeld, R.W., Bartha, R., Menon, R.S., Takhar, J., Densmore, M., Drost, D.J.

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Mapping ocular dominance columns in human V1 using fMRI by Menon, R.S., Ogawa, S., Ugurbil, K.

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High-Resolution BOLD fMRI Reveals Ocular Dominance Dependence on Eye Dominance by Goodyear, B.G., Menon, R.S.

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Comparison of the quantification precision of human short echo time 1H spectroscopy at 1.5 and 4.0 Tesla by Bartha, R., Drost, D.J., Menon, R.S., Williamson, P.C.

“…Precise quantification of human in vivo short echo time 1H spectra remains problematic at clinical field strengths due to broad peak linewidths and low…”
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Reduced visual evoked responses in multiple sclerosis patients with optic neuritis: Comparison of functional magnetic resonance imaging and visual evoked potentials by Gareau, P.J., Gati, J.S., Menon, R.S., Lee, D., Rice, G., Mitchell, J.R., Mandelfino, P., Karlik, S.J.

“…The limited application of functional magnetic resonance imaging (fMRI) for investigations of multiple sclerosis (MS) patients has already shown that deficits…”
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Human Cortical Activation During Single Swallowing Trials Measured by functional Magnetic Resonance Imaging (fMRI) by Martin, R.E., Gati, J.S., Goodyear, B.G., Menon, R.S.

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Millisecond sequencing of neural activation in simple tasks determined by the BOLD fMRI neurovascular response by Luknowsky, D.C., Thomas, C.G., Gati, J.S., Menon, R.S.

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