Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Peadar F. Grant"'
Autor:
Andrzej Beniamin Bujok, Peadar F. Grant, William J. Rickard, Silvana Togneri MacMahon, Dick Whelan, Fergal McCaffery
Publikováno v:
Computer Standards & Interfaces. 54:152-161
Software is increasingly being used to provide functionality in safety critical domains. The complexity involved in the development of software for these domains can bring challenges concerned with safety. International standards are published, provi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2634433468c17491e733353058c9fd17
https://doi.org/10.1016/j.csi.2016.11.013
https://doi.org/10.1016/j.csi.2016.11.013
Publikováno v:
IEEE Transactions on Biomedical Engineering. 60:1378-1387
The aim of this study was to examine the influence of uncertainty of the material properties of brain tissue on the probabilistic voltage response and the probabilistic volume of tissue activated (VTA) in a volume conductor model of deep brain stimul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::200d7b519578583f24321cb92877270b
https://doi.org/10.1109/tbme.2012.2235835
https://doi.org/10.1109/tbme.2012.2235835
Autor:
Peadar F. Grant, Madeleine M. Lowery
Publikováno v:
EMBC
This study presents an analysis of the effect of incorporating a subset of the complete set of dielectric dispersions in electric field models of implanted electrical stimulation. An analytic volume conductor model was used to determine the voltage w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f81dc7d21b70f6628d95c20dcb7effb
https://doi.org/10.1109/embc.2012.6346880
https://doi.org/10.1109/embc.2012.6346880
Autor:
Peadar F. Grant, Madeleine M. Lowery
Publikováno v:
IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society. 21(4)
A new model of deep brain stimulation is presented that integrates volume conduction effects with a neural model of pathological beta-band oscillations in the cortico-basal ganglia network. The model is used to test the clinical hypothesis that close
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3d3360e7c465036e592b546415addc4
https://pubmed.ncbi.nlm.nih.gov/22695362
https://pubmed.ncbi.nlm.nih.gov/22695362
Autor:
Peadar F. Grant, Madeleine M. Lowery
The aim of this study was to examine the effect of dispersive tissue properties on the volume-conducted voltage waveforms and volume of tissue activated during deep brain stimulation. Inhomogeneous finite-element models were developed, incorporating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89eb967607f68ac3be8a8c6b98e77656
Autor:
Peadar F. Grant, Madeleine M. Lowery
Publikováno v:
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2009
The aim of this study was to investigate the interaction of the electrode-tissue interface and dispersive tissue properties on waveforms used for deep brain stimulation. A finite element model with a distributed impedance electrical double layer was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e961298ccc64bec3ca059b3b47b0a84
https://pubmed.ncbi.nlm.nih.gov/19964442
https://pubmed.ncbi.nlm.nih.gov/19964442
Autor:
Peadar F. Grant, Madeleine M. Lowery
This study presents a whole-head finite element model of deep brain stimulation to examine the effect of electrical grounding, the finite conducting volume of the head, and scalp, skull and cerebrospinal fluid layers. The impedance between the stimul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::734e520ea2e94f5ffc4f560e67c6596c
Autor:
Peadar F. Grant, Madeleine M. Lowery
Publikováno v:
IET Irish Signals and Systems Conference (ISSC 2009).
The aim of this study was to examine and quantify the effect of frequency dispersion in the electrical conductivity and relative permittivity of the isotropic brain tissue on the electric potential distribution due to deep brain stimulation. A finite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8892fb75960bd8844224c2299d676f63
https://doi.org/10.1049/cp.2009.1717
https://doi.org/10.1049/cp.2009.1717
Autor:
Peadar F. Grant, Madeleine M. Lowery
Publikováno v:
Medical Engineering & Physics
Parametric models are commonly used to describe the dispersive dielectric properties of biological tissues. While distinct regions of dispersion have been identified, the relative contribution of each during electrical stimulation is unknown. This st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6def8b4f75f6775713c73433c11d61c7
Publikováno v:
IEEE Transactions on Neural Systems & Rehabilitation Engineering; Jul2013, Vol. 21 Issue 4, p584-594, 11p