Search Results - "Thatcher, R W"

EEG and intelligence: Relations between EEG coherence, EEG phase delay and power by Thatcher, R.W., North, D., Biver, C.

“…There are two inter-related categories of EEG measurement: 1, EEG currents or power and; 2, EEG network properties such as coherence and phase delays. The…”
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Intelligence and EEG phase reset: A two compartmental model of phase shift and lock by Thatcher, R.W., North, D.M., Biver, C.J.

“…The purpose of this study was to explore the relationship between EEG phase reset and performance on the Wechsler Intelligence test. The electroencephalogram…”
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Intelligence and EEG current density using low-resolution electromagnetic tomography (LORETA) by Thatcher, R.W., North, D., Biver, C.

“…The purpose of this study was to compare EEG current source densities in high IQ subjects vs. low IQ subjects. Resting eyes closed EEG was recorded from 19…”
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On mass conservation in least-squares methods by Bolton, P., Thatcher, R.W.

“…We compare three least-squares finite element reformulations of the Stokes equations, paying particular attention to mass conservation. The first problem we…”
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A least-squares finite element method for the Navier–Stokes equations by Bolton, P., Thatcher, R.W.

“…The Navier–Stokes equations for flow in a plane are reformulated as a first-order system in terms of stress and stream functions. Solutions of this system are…”
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MRI segmentation: Methods and applications by Clarke, L.P., Velthuizen, R.P., Camacho, M.A., Heine, J.J., Vaidyanathan, M., Hall, L.O., Thatcher, R.W., Silbiger, M.L.

“…The current literature on MRI segmentation methods is reviewed. Particular emphasis is placed on the relative merits of single image versus multispectral…”
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Cortical sensorimotor reorganization after spinal cord injury : An electroencephalographic study by GREEN, J. B, SORA, E, BIALY, Y, RICAMATO, A, THATCHER, R. W

“…The aim of this study was to determine if cortical motor representation and generators change after partial or complete paralysis after spinal cord injury…”
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Intelligence and eeg measures of information flow: efficiency and homeostatic neuroplasticity by Thatcher, R. W., Palmero-Soler, E., North, D. M., Biver, C. J.

“…The purpose of this study was to explore the relationship between the magnitude of EEG information flow and intelligence. The electroencephalogram (EEG) was…”
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Cortical motor reorganization after paraplegia : An EEG study by GREEN, J. B, SORA, E, BIALY, Y, RICAMATO, A, THATCHER, R. W

“…To determine whether a previously identified posterior reorganization of the cortical motor network after spinal cord injury (SCI) is correlated with prognosis…”
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Parametric vs. Non-Parametric Statistics of Low Resolution Electromagnetic Tomography (LORETA) by Thatcher, R. W., North, D., Biver, C.

“…This study compared the relative statistical sensitivity of non-parametric and parametric statistics of 3-dimensional current sources as estimated by the EEG…”
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Human Cerebral Hemispheres Develop at Different Rates and Ages by Thatcher, R. W., Walker, R. A., Giudice, S.

“…The development of the cerebral hemispheres was assessed by using measures of electroencephalographic coherence and phase in 577 children ranging in age from 2…”
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Biophysical Linkage between MRI and EEG Coherence in Closed Head Injury by Thatcher, R.W., Biver, C., McAlaster, R., Salazar, A.

“…Using conventional MRI procedures, nuclear magnetic resonance (NMR) of brain water proton (1H)T2 relaxation times and EEG coherence were obtained from two…”
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Biophysical Linkage between MRI and EEG Amplitude in Closed Head Injury by Thatcher, R.W., Biver, C., McAlaster, R., Camacho, M., Salazar, A.

“…Nuclear magnetic resonance of brain water proton (1H) T2 relaxation times and measures of absolute amplitude of EEG were obtained from 19 closed head injured…”
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EEG Operant Conditioning (Biofeedback) and Traumatic Brain Injury by Thatcher, Robert W.

“…A review is presented of the currently sparse literature about EEG operant conditioning or biofeedback as a treatment to reduce symptomology and patient…”
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A Least Squares Method for Solving Biharmonic Problems by Thatcher, R. W.

“…We discuss a generalization of the Cauchy-Riemann equations, which is applicable to biharmonic problems. A first-order system is derived from these equations,…”
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Edges of flames that do not exist: flame-edge dynamics in a non-premixed counterflow by Thatcher, R W, Dold, J W

“…A counterflow diffusion flame model is studied revealing that, at least as a part of the quenching boundary is approached in parameter space at low-enough…”
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Quantitative MRI of the gray-white matter distribution in traumatic brain injury by Thatcher, R W, Camacho, M, Salazar, A, Linden, C, Biver, C, Clarke, L

“…Quantitative analyses were performed on magnetic resonance images (MRIs) obtained from the brains of 31 traumatic brain-injured (TBI) patients and 25 normal…”
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Frequency Domain Equivalence Between Potentials and Currents Using Loreta by Gomez, J. F., Thatcher, R. W.

“…Analyzing the preferences of brain regions to oscillate at specific frequencies gives important functional information. Application of discrete inverse…”
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Multiple speeds of flame edge propagation for Lewis numbers above one by Thatcher, R. W., Omon-Arancibia, A. A.

“…Edges of diffusion flames in a counterflow burner are examined numerically for Lewis greater than unity. When the speed of propagation is plotted against…”
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Flame balls with thermally sensitive intermediate kinetics by Dold, J W, Weber, R O, Thatcher, R W, Shah, A A

“…Spherical flame balls are studied using a model for the chemical kinetics which involves a non-exothermic autocatalytic reaction, describing the…”
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