Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Rosalind J Sadleir"'
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0254690 (2021)
Diffusion tensor magnetic resonance electrical impedance tomography (DT-MREIT) is a newly developed technique that combines MR-based measurements of magnetic flux density with diffusion tensor MRI (DT-MRI) data to reconstruct electrical conductivity
Externí odkaz:
https://doaj.org/article/d315a2916c2e4751a3f3824725c51d15
Autor:
Aprinda Indahlastari, Aditya K. Kasinadhuni, Christopher Saar, Kevin Castellano, Bakir Mousa, Munish Chauhan, Thomas H. Mareci, Rosalind J. Sadleir
Publikováno v:
Neural Plasticity, Vol 2018 (2018)
Background. Phosphene generation is an objective physical measure of potential transcranial alternating current stimulation (tACS) biological side effects. Interpretations from phosphene analysis can serve as a first step in understanding underlying
Externí odkaz:
https://doaj.org/article/63e0ec13f8d94a5c9d2affa9b7869d1e
Publikováno v:
Magn Reson Med
Purpose Deep brain stimulation electrodes composed of carbon fibers were tested as a means of administering and imaging magnetic resonance electrical impedance tomography (MREIT) currents. Artifacts and heating properties of custom carbon-fiber deep
Publikováno v:
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2021
Neuromodulation caused by transcranial electrical stimulation (TES) has been used successfully to treat various neuro-degenerative diseases. Simulation models provide an essential tool to study brain and nerve stimulation. Simulation models of TES pr
Publikováno v:
2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC).
Neurostimulation with multiple scalp electrodes has shown enhanced effects in recent studies. However, visualizations of stimulation-induced internal current distributions in brain is only possible through simulated current distributions obtained fro
Publikováno v:
PLoS ONE, Vol 16, Iss 7, p e0254690 (2021)
PLoS ONE
PLoS ONE
Diffusion tensor magnetic resonance electrical impedance tomography (DT-MREIT) is a newly developed technique that combines MR-based measurements of magnetic flux density with diffusion tensor MRI (DT-MRI) data to reconstruct electrical conductivity
Autor:
Saurav Z. K. Sajib, Rosalind J. Sadleir, Munish Chauhan, Yizhuang Song, Haiyang Wang, Hyeuknam Kwon, Jin Keun Seo
Publikováno v:
Phys Med Biol
Conventional magnetic resonance electrical impedance tomography (MREIT) reconstruction methods require administration of two linearly independent currents via at least two electrode pairs. This requires long scanning times and inhibits coordination o
Autor:
Michael Schär, Aprinda Indahlastari, Aditya K. Kasinadhuni, Munish Chauhan, Rosalind J. Sadleir, Thomas H. Mareci
Publikováno v:
IEEE Transactions on Medical Imaging. 37:966-976
We present the first in vivo images of anisotropic conductivity distribution in the human head, measured at a frequency of approximately 10 Hz. We used magnetic resonance electrical impedance tomography techniques to encode phase changes caused by cu
Autor:
Rosalind J. Sadleir, May Boggess, Stephen Holland, Fanrui Fu, Eung Je Woo, Corey Falgas, Samuel C. Grant
Publikováno v:
NeuroImage. 161:104-119
We describe a sequence of experiments performed in vitro to verify the existence of a new magnetic resonance imaging contrast — Magnetic Resonance Electrical Impedance Tomography (MREIT) —sensitive to changes in active membrane conductivity. We c
Autor:
Aditya K. Kasinadhuni, Rosalind J. Sadleir, Michael Schär, Munish Chauhan, Aprinda Indahlastari, Thomas H. Mareci
Publikováno v:
Brain Stimulation, Vol 10, Iss 4, Pp 764-772 (2017)
Background It has been assumed that effects caused by tDCS or tACS neuromodulation are due to electric current flow within brain structures. However, to date, direct current density distributions in the brains of human subjects have not been measured