Carlos H Muravchik
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Explore the profile of Carlos H Muravchik including associated specialties, affiliations and a list of published articles.
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19
Citations
100
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Recent Articles
1.
Collavini S, Fernandez-Corazza M, Oddo S, Princich J, Kochen S, Muravchik C
J Neural Eng
. 2021 Feb;
18(4).
PMID: 33578398
Electrical stimulation mapping (ESM) of the brain using stereo-electroencephalography (SEEG) intracranial electrodes, also known as depth-ESM (DESM), is being used as part of the pre-surgical planning for brain surgery in...
2.
Fernandez-Corazza M, Turovets S, Muravchik C
Annu Int Conf IEEE Eng Med Biol Soc
. 2020 Oct;
2020:1440-1443.
PMID: 33018261
Electrical Impedance Tomography (EIT) can be used to estimate the electrical properties of the head tissues in a parametric approach. This modality is called parametric EIT or bounded EIT (bEIT)....
3.
Blenkmann A, Phillips H, Princich J, Rowe J, Bekinschtein T, Muravchik C, et al.
Front Neuroinform
. 2017 Mar;
11:14.
PMID: 28303098
The localization of intracranial electrodes is a fundamental step in the analysis of invasive electroencephalography (EEG) recordings in research and clinical practice. The conclusions reached from the analysis of these...
4.
von Ellenrieder N, Beltrachini L, Muravchik C, Gotman J
Neuroimage
. 2014 Aug;
101:787-95.
PMID: 25117602
The effect of the non-conducting substrate of a subdural grid on the scalp electric potential distribution is studied through simulations. Using a detailed head model and the finite element method...
5.
von Ellenrieder N, Beltrachini L, Muravchik C
Clin Neurophysiol
. 2012 Feb;
123(9):1745-54.
PMID: 22364724
Objective: To quantify the perturbation due to the presence of a measuring depth electrode on the intracranial electric potential distribution, and to study the effect of the heterogeneity and anisotropy...
6.
Beltrachini L, von Ellenrieder N, Muravchik C
Annu Int Conf IEEE Eng Med Biol Soc
. 2010 Nov;
2010:1654-7.
PMID: 21096141
We present a shrinkage estimator for the EEG spatial covariance matrix of the background activity. We show that such an estimator has some advantages over the maximum likelihood and sample...
7.
von Ellenrieder N, Hurtado M, Muravchik C
Annu Int Conf IEEE Eng Med Biol Soc
. 2010 Nov;
2010:4316-9.
PMID: 21095756
We propose modifications to the Automatic Relevance Determination (ARD) algorithm for solving the EEG/MEG inverse problem when the activation map of the cortex is known to be sparse. We propose...
8.
von Ellenrieder N, Valdes-Hernandez P, Muravchik C
Med Biol Eng Comput
. 2009 Sep;
47(10):1083-91.
PMID: 19730912
In studies of EEG/MEG problems involving cortical sources, the cortex may be modeled by a 2-D manifold inside the brain. In such cases the primary or impressed current density over...
9.
von Ellenrieder N, Muravchik C, Wagner M, Nehorai A
IEEE Trans Biomed Eng
. 2009 Apr;
56(3):587-97.
PMID: 19389682
We study the effect of the head shape variations on the EEG/magnetoencephalography (MEG) forward and inverse problems. We build a random head model such that each sample represents the head...
10.
von Ellenrieder N, Spinelli E, Muravchik C
Conf Proc IEEE Eng Med Biol Soc
. 2007 Oct;
2006:1126-9.
PMID: 17945621
We present a forward problem formulation for computing biopotentials measured with dry or capacitive electrodes. This formulation is not quasistatic and has mixed boundary conditions. Our results show that simple...