Search Results - "ROBERTS, T. P. L"

Evidence for a motor gamma-band network governing response interference by Gaetz, W., Liu, C., Zhu, H., Bloy, L., Roberts, T.P.L.

“…The gamma-band response is thought to represent a key neural signature of information processing in the human brain. These brain signals have been associated…”
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Elevated Mean Diffusivity in the Left Hemisphere Superior Longitudinal Fasciculus in Autism Spectrum Disorders Increases with More Profound Language Impairment by NAGAE, L. M, ZARNOW, D. M, BLASKEY, L, DELL, J, KHAN, S. Y, QASMIEH, S, LEVY, S. E, ROBERTS, T. P. L

“…Language impairments are observed in a subset of individuals with ASD. To examine microstructural brain white matter features associated with language ability…”
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Recombinant Tissue Plasminogen Activator Increases Blood-Brain Barrier Disruption in Acute Ischemic Stroke: An MR Imaging Permeability Study by Kassner, A, Roberts, T.P.L, Moran, B, Silver, F.L, Mikulis, D.J

“…Although thrombolytic therapy (recombinant tissue plasminogen activator [rtPA]) represents an important step forward in acute ischemic stroke (AIS) management,…”
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Relating MEG measured motor cortical oscillations to resting γ-Aminobutyric acid (GABA) concentration by Gaetz, W., Edgar, J.C., Wang, D.J., Roberts, T.P.L.

“…The human motor cortex exhibits characteristic beta (15–30Hz) and gamma oscillations (60–90Hz), typically observed in the context of transient finger movement…”
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GABA estimation in the brains of children on the autism spectrum: Measurement precision and regional cortical variation by Gaetz, W., Bloy, L., Wang, D.J., Port, R.G., Blaskey, L., Levy, S.E., Roberts, T.P.L.

“…1H magnetic resonance spectroscopy (1H MRS) and spectral editing methods, such as MEGA-PRESS, allow researchers to investigate metabolite and neurotransmitter…”
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Magnetoencephalography for Pediatric Epilepsy: How We Do It by Schwartz, E.S, Dlugos, D.J, Storm, P.B, Dell, J, Magee, R, Flynn, T.P, Zarnow, D.M, Zimmerman, R.A, Roberts, T.P.L

“…Magnetoencephalography (MEG) is increasingly being used in the preoperative evaluation of pediatric patients with epilepsy. The ability to noninvasively…”
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Magnetoencephalography in partial epilepsy: clinical yield and localization accuracy by Knowlton, R C, Laxer, K D, Aminoff, M J, Roberts, T P, Wong, S T, Rowley, H A

“…The goals of this study were to determine (1) the yield of magnetoencephalography (MEG) according to epilepsy type, (2) if MEG spike sources colocalize with…”
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Somatosensory and motor representations following bilateral transplants of the hands: A 6-year longitudinal case report on the first pediatric bilateral hand transplant patient by Gaetz, W., Dockstader, C., Furlong, P.L., Amaral, S., Vossough, A., Schwartz, E.S., Roberts, T.P.L., Scott Levin, L.

“…[Display omitted] •Somatosensory and motor representations are atypical 6-years post hand-transplant.•Not attributable to or associated with phantom…”
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Somatosensory representation of the digits and clinical performance in Patients with focal hand dystonia by MCKENZIE, A. L, NAGARAJAN, S. S, ROBERTS, T. P. L, MERZENICH, M. M, BYL, N. N

“…The purpose of this study was to incorporate magnetoencephalography and clinical testing to describe differences in somatosensory organization and sensorimotor…”
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ACR White Paper on Magnetoencephalography and Magnetic Source Imaging: A Report from the ACR Commission on Neuroradiology by Maldjian, J A, Lee, R, Jordan, J, Davenport, E M, Proskovec, A L, Wintermark, M, Stufflebeam, S, Anderson, J, Mukherjee, P, Nagarajan, S S, Ferrari, P, Gaetz, W, Schwartz, E, Roberts, T P L

“…Magnetoencephalography, the extracranial detection of tiny magnetic fields emanating from intracranial electrical activity of neurons, and its source modeling…”
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High angular resolution diffusion imaging probabilistic tractography of the auditory radiation by Berman, J I, Lanza, M R, Blaskey, L, Edgar, J C, Roberts, T P L

“…The auditory radiation crosses other white matter tracts and cannot reliably be delineated or quantitatively assessed with DTI fiber tracking. This study…”
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Mice with reduced NMDA receptor expression: more consistent with autism than schizophrenia? by Gandal, M. J., Anderson, R. L., Billingslea, E. N., Carlson, G. C., Roberts, T. P. L., Siegel, S. J.

“…Reduced NMDA‐receptor (NMDAR) function has been implicated in the pathophysiology of neuropsychiatric disease, most strongly in schizophrenia but also recently…”
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Synthetic aperture magnetometry and excess kurtosis mapping of Magnetoencephalography (MEG) is predictive of epilepsy surgical outcome in a large pediatric cohort by Gofshteyn, J.S., Le, T., Kessler, S., Kamens, R., Carr, C., Gaetz, W., Bloy, L., Roberts, T.P.L., Schwartz, E.S., Marsh, E.D.

“…•MEG with SAM(g2) analysis can be used amongst pediatric patients with refractory epilepsy during presurgical workup.•MEG using SAM(g2) analysis provides…”
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Relationship between M100 Auditory Evoked Response and Auditory Radiation Microstructure in 16p11.2 Deletion and Duplication Carriers by Berman, J I, Chudnovskaya, D, Blaskey, L, Kuschner, E, Mukherjee, P, Buckner, R, Nagarajan, S, Chung, W K, Sherr, E H, Roberts, T P L

“…Deletion and duplication of chromosome 16p11.2 (BP4-BP5) have been associated with developmental disorders such as autism spectrum disorders, and deletion…”
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Left hemisphere diffusivity of the arcuate fasciculus: influences of autism spectrum disorder and language impairment by Roberts, T P L, Heiken, K, Zarnow, D, Dell, J, Nagae, L, Blaskey, L, Solot, C, Levy, S E, Berman, J I, Edgar, J C

“…There has been much discussion whether brain abnormalities associated with specific language impairment and autism with language impairment are shared or are…”
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Pitfalls in Lactate Measurements at 3T by Lange, T, Dydak, U, Roberts, T.P.L, Rowley, H.A, Bjeljac, M, Boesiger, P

“…In clinical MR spectroscopy at higher field strengths, lactate may show reduced or absent signal intensity at an echo time of 144 ms. Although this…”
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A hemispherically asymmetrical MEG response to vowels by Szymanski, M D, Rowley, H A, Roberts, T P. L

“…NEUROMAGNETIC fields elicited by vowels and tones were recorded and sources were modeled as single equivalent current dipoles (ECDs) in 1 ms steps 80–400 ms…”
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High-speed MR imaging of ischemic brain injury following stenosis of the middle cerebral artery by Roberts, T P, Vexler, Z, Derugin, N, Moseley, M E, Kucharczyk, J

“…Magnetic susceptibility contrast-enhanced and diffusion-weighted echo planar magnetic resonance (MR) imaging was performed using a cat model of acute regional…”
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Remote control of catheter tip deflection: An opportunity for interventional MRI by Roberts, T.P.L., Hassenzahl, W.V., Hetts, S.W., Arenson, R.L.

“…This study seeks to exploit the high magnetic field environment of a clinical MRI scanner and demonstrate the technical feasibility of developing a catheter…”
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A new temperature-sensitive contrast mechanism for MRI: Curie temperature transition-based imaging by Settecase, F, Sussman, M S, Roberts, T P L

“…A temperature-sensitive MRI contrast mechanism is proposed based on the physical property, the Curie temperature (T(c)), at which a ferromagnetic material…”
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