Search Results - "Votaw, J.R."

CRH receptor antagonism reverses the effect of social subordination upon central GABAA receptor binding in estradiol-treated ovariectomized female rhesus monkeys by Michopoulos, V, Embree, M, Reding, K, Sanchez, M.M, Toufexis, D, Votaw, J.R, Voll, R.J, Goodman, M.M, Rivier, J, Wilson, M.E, Berga, S.L

“…Highlights • Social subordination alters GABAA Rs binding in estradiol-treated female monkeys. • Status effect on GABAA R is site specific, only seen in the…”
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The relation of developmental changes in brain serotonin transporter (5HTT) and 5HT1A receptor binding to emotional behavior in female rhesus monkeys: Effects of social status and 5HTT genotype by Embree, M, Michopoulos, V, Votaw, J.R, Voll, R.J, Mun, J, Stehouwer, J.S, Goodman, M.M, Wilson, M.E, Sánchez, M.M

“…Highlights ► 5HT1A and 5HTT BP increased in female rhesus brain regions through puberty. ► Hypothalamic 5HT1A receptor binding was increased in subordinate…”
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Acute blood flow changes and efficacy of vagus nerve stimulation in partial epilepsy by HENRY, T. R, VOTAW, J. R, PENNELL, P. B, EPSTEIN, C. M, BAKAY, R. A. E, FABER, T. L, GRAFTON, S. T, HOFFMAN, J. M

“…To determine possible sites of therapeutic action of vagus nerve stimulation (VNS), by correlating acute VNS-induced regional cerebral blood flow (rCBF)…”
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Concurrent Segmentation and Estimation of Transmission Images for Attenuation Correction in Positron Emission Tomography by Anderson, J.M.M., Yoon-Chul Kim, Votaw, J.R.

“…When transmission images are obtained using conventional reconstruction methods in stand alone PET scanners, such as standard clinical PET, microPET, and…”
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Regularized image reconstruction algorithms for positron emission tomography by Ji-Ho Chang, Anderson, J.M.M., Votaw, J.R.

“…We develop algorithms for obtaining regularized estimates of emission means in positron emission tomography. The first algorithm iteratively minimizes a…”
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Accelerated penalized weighted least-squares and maximum likelihood algorithms for reconstructing transmission images from PET transmission data by Anderson, J.M.M., Srinivasan, R., Mair, B.A., Votaw, J.R.

“…We present penalized weighted least-squares (PWLS) and penalized maximum-likelihood (PML) methods for reconstructing transmission images from positron emission…”
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15.26: Prompt gamma compensation improves the diagnostic accuracy of Rb-82 myocardial perfusion 3D PET/CT by Esteves, F.P., Santana, C.A., Zeng, W., Nye, J.A., Votaw, J.R.

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Self-administration of cocaine and the cocaine analog RTI-113: Relationship to dopamine transporter occupancy determined by PET neuroimaging in rhesus monkeys by Wilcox, K.M., Lindsey, K.P., Votaw, J.R., Goodman, M.M., Martarello, L., Carroll, F.I., Howell, L.L.

“…Dopaminergic mechanisms are thought to play a central role in the reinforcing effects of cocaine. The present study examined the reinforcing effects of…”
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An apparatus and behavioral training protocol to conduct positron emission tomography (PET) neuroimaging in conscious rhesus monkeys by Howell, L.L., Hoffman, J.M., Votaw, J.R., Landrum, A.M., Jordan, J.F.

“…Nonhuman primates offer a unique resource in neuroimaging research, providing the opportunity to manipulate appropriate biological and behavioral variables…”
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Signal-to-noise ratio in neuro activation PET studies by Votaw, J.R.

“…It has become commonplace to compare scanner sensitivity characteristics by comparing noise equivalent count rate curves. However, because a 20-cm diameter…”
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Optimization of PET activation studies based on the SNR measured in the 3-D Hoffman brain phantom by Li, H.J., Votaw, J.R.

“…This work investigates the noise properties of O-15 water positron emission tomography (PET) images in an attempt to increase the sensitivity of activation…”
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Reproducibility of A BMAX Measure Using a NEW 18F Dopamine Transporter Ligand by Votaw, J.R., Deterding, T., Hoffman, J.M., Kilts, C., Votaw, D.B., Giroux, M., Camp, V.M., Martarello, L., Malveaux, E., Goodman, M.M.

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Medication Related Changes in Cerebral Glucose Metabolism in Parkinson's Disease by Giroux, M.L., Grafton, S.T., Votaw, J.R., DeLong, M.L., Hoffman, J.M.

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Maximum likelihood estimation of detector efficiencies in positron emission tomography by Wen-Hsiung Lee, Anderson, J.M.M., Votaw, J.R.

“…In this paper, we introduce a maximum-likelihood (ML) method for estimating detector efficiencies in positron emission tomography. First, we develop a Poisson…”
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Effect of Pallidotomy on Cerebral Metabolism in Parkinson's Disease by Giroux, M.L., Grafton, S.T., Vitek, J.L., Votaw, J.R., DeLong, M.L., Hoffman, J.M.

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Spatial variation of SNR in two- and three-dimensional neuro-PET by Li, H.H., Votaw, J.R.

“…A method for region of interest (ROI) evaluation for three-dimensional (3-D) positron emission tomography (PET) in the sinogram space was implemented,…”
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fMRI and PET Studies of A Visual Confrontation Naming Task by Popp, C.A., Votaw, J.R., Faber, T.L., Henry, T.R., Trudeau, J.D., Woodard, J., Mao, H., Woods, R.M., Hoffman, J.M., Song, A.W.

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Spatial variation of SNR in 2D and 3D neuro PET by Li, H.H., Votaw, J.R.

“…A method for region of interest (ROI) evaluation for three dimensional positron emission tomography (PET) in the sinogram space is implemented, according to…”
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Optimal detector geometry to maximize light output and timing characteristics of fast scintillators by Votaw, J.R., Nickles, R.J., Martin, C.C.

“…A Monte Carlo computer program has been developed to test different detector geometries in an effort to determine the shape that maximizes a figure of merit…”
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