Search Results - "Schimpf, P"

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  1. 1

    The Influence of Brain Tissue Anisotropy on Human EEG and MEG by Haueisen, J., Tuch, D.S., Ramon, C., Schimpf, P.H., Wedeen, V.J., George, J.S., Belliveau, J.W.

    Published in NeuroImage (Orlando, Fla.) (01-01-2002)
    “…The influence of gray and white matter tissue anisotropy on the human electroencephalogram (EEG) and magnetoencephalogram (MEG) was examined with a high…”
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    Journal Article
  2. 2

    The localization of focal heart activity via body surface potential measurements: tests in a heterogeneous torso phantom by Wetterling, F, Liehr, M, Schimpf, P, Liu, H, Haueisen, J

    Published in Physics in medicine & biology (21-09-2009)
    “…The non-invasive localization of focal heart activity via body surface potential measurements (BSPM) could greatly benefit the understanding and treatment of…”
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    Journal Article
  3. 3

    Role of soft bone, CSF and gray matter in EEG simulations by Ramon, Ceon, Schimpf, P, Haueisen, J, Holmes, M, Ishimaru, A

    Published in Brain topography (01-06-2004)
    “…Effects of soft skull bone, cerebrospinal fluid (CSF) and gray matter on scalp potentials were examined with highly heterogeneous finite element models of an…”
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    Journal Article
  4. 4

    Dipole models for the EEG and MEG by Schimpf, P.H., Ramon, C., Haueisen, J.

    “…The current dipole is a widely used source model in forward and inverse electroencephalography and magnetoencephalography applications. Analytic solutions to…”
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    Journal Article
  5. 5

    Standardized shrinking LORETA-FOCUSS (SSLOFO): a new algorithm for spatio-temporal EEG source reconstruction by Hesheng Liu, Schimpf, P.H., Guoya Dong, Xiaorong Gao, Fusheng Yang, Shangkai Gao

    “…This paper presents a new algorithm called Standardized Shrinking LORETA-FOCUSS (SSLOFO) for solving the electroencephalogram (EEG) inverse problem. Multiple…”
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    Journal Article
  6. 6

    Classification of parenchymal injuries of the lung by Wagner, R B, Crawford, Jr, W O, Schimpf, P P

    Published in Radiology (01-04-1988)
    “…Pulmonary contusion, implying interstitial and alveolar injury without significant laceration, has been accepted as the primary lung injury in nonpenetrating…”
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  7. 7

    Efficient localization of synchronous EEG source activities using a modified RAP-MUSIC algorithm by Hesheng Liu, Schimpf, P.H.

    “…Synchronization across different brain regions is suggested to be a possible mechanism for functional integration. Noninvasive analysis of the synchronization…”
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    Journal Article
  8. 8

    Geometric effects on resistivity measurements with four-electrode probes in isotropic and anisotropic tissues by Wang, Y., Schimpf, P.H., Haynor, D.R., Kim, Y.

    “…We studied via computer simulation the effects of electrode diameter, electrode length, interelectrode spacing, and tissue size on the accuracy of measured…”
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  9. 9

    A recursive algorithm for the three-dimensional imaging of brain electric activity: shrinking LORETA-FOCUSS by Hesheng Liu, Xiaorong Gao, Schimpf, P.H., Fusheng Yang, Shangkai Gao

    “…Estimation of intracranial electric activity from the scalp electroencephalogram (EEG) requires a solution to the EEG inverse problem, which is known as an…”
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    Journal Article
  10. 10

    Effect of model complexity on EEG source localizations by Ramon, C, Schimpf, P H, Haueisen, J

    Published in Neurology & clinical neurophysiology (30-11-2004)
    “…How model complexity influences the EEG source localizations was studied with three different finite element models of the head, constructed from segmented MR…”
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  11. 11

    Analysis of defibrillation efficacy from myocardial voltage gradients with finite element modeling by Wang, Y., Schimpf, P.H., Haynor, D.R., Bardy, G.H., Yongmin Kim

    “…Increasing defibrillation efficacy by lowering the defibrillation threshold (DFT) is an important goal in positioning implantable cardioverter-defibrillator…”
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  12. 12

    Efficient electromagnetic source imaging with adaptive standardized LORETA/FOCUSS by Schimpf, P.H., Hesheng Liu, Ramon, C., Haueisen, J.

    “…Functional brain imaging and source localization based on the scalp's potential field require a solution to an ill-posed inverse problem with many solutions…”
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    Journal Article
  13. 13

    Predicting cardiothoracic voltages during high energy shocks: methodology and comparison of experimental to finite element model data by Jorgenson, D.B., Schimpf, P.H., Shen, I., Johnson, G., Bardy, G.H., Havnor, D.R., Yongmin Kim

    “…Finite element modeling has been used as a method to investigate the voltage distribution within the thorax during high energy shocks. However, there have been…”
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    Journal Article
  14. 14

    Ellipsoidal refinement of the regularized inverse: performance in an anatomically realistic EEG model by Schimpf, P.H., Haueisen, J., Ramon, C.

    “…Functional brain imaging and source localization based on the scalp's potential field requires a solution to the inverse electrostatic problem. This is an…”
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    Journal Article
  15. 15

    Sensitivity of transvenous defibrillation models to adaptive mesh density and resolution: the potential for interactive solution times by Schimpf, P.H., Wang, Y., Haynor, D.R., Kim, Y.

    “…The voltage gradients induced in ventricular myocardium by an electric shock have been shown to correlate to the probability of the shock producing a…”
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    Journal Article
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    Object-free adaptive meshing in highly heterogeneous 3-D domains by Schimpf, P.H., Haynor, D.R., Kim, Y.

    “…Traditional approaches to the generation of finite element meshes are well suited for modeling the homogeneous or mildly heterogeneous domains presented by…”
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    Journal Article
  19. 19

    Childhood drowning: review of the literature and clinical implications by Nieves, J A, Buttacavoli, M, Fuller, L, Clarke, T, Schimpf, P C

    Published in Pediatric nursing (01-05-1996)
    “…In children the risk of submersion is highest in those under 5 years of age and in male adolescents 15-19 years of age. This review examines the research…”
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  20. 20

    Localizing Synchronized Dipole Sources Using a Modified RAP-MUSIC Algorithm by Schimpf, P., Hesheng Liu

    “…Synchronization across different brain regions is suggested to be a possible mechanism for functional integration. Analyzing the synchronization of cortical…”
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    Conference Proceeding