Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Seok Lew"'
Publikováno v:
Clin Neurophysiol
OBJECTIVE: To clarify the effects of unfused cranial bones on magnetoencephalography (MEG) signals during early development. METHODS: In a simulation study, we compared the MEG signals over a spherical head model with a circular hole mimicking the an
Publikováno v:
Journal of Neurophysiology
The effect of the complete electrode model on electroencephalography forward and inverse computations is explored. A realistic neonatal head model, including a skull structure with fontanels and sutures, is used. The electrode and skull modeling diff
Publikováno v:
Clinical Neurophysiology. 129:505-506
Autor:
Arno M. Janssen, Benjamin Lanfer, Thom F. Oostendorp, Dick F. Stegeman, Carsten H. Wolters, Felix Lucka, Seok Lew, Umit Aydin, Sumientra Rampersad
Publikováno v:
Janssen, A M, Rampersad, S M, Lucka, F, Lanfer, B, Lew, S, Aydin, U, Wolters, C H, Stegeman, D F & Oostendorp, T F 2013, ' The influence of sulcus width on simulated electric fields induced by transcranial magnetic stimulation ', Physics in Medicine and Biology, vol. 58, no. 14, pp. 4881-4896 . https://doi.org/10.1088/0031-9155/58/14/4881
Physics in Medicine and Biology, 58, 4881-96
Physics in Medicine and Biology, 58, 14, pp. 4881-96
Physics in Medicine and Biology, 58(14), 4881-4896. IOP Publishing Ltd.
Physics in Medicine and Biology, 58, 4881-96
Physics in Medicine and Biology, 58, 14, pp. 4881-96
Physics in Medicine and Biology, 58(14), 4881-4896. IOP Publishing Ltd.
Volume conduction models can help in acquiring knowledge about the distribution of the electric field induced by transcranial magnetic stimulation. One aspect of a detailed model is an accurate description of the cortical surface geometry. Since its
Autor:
Ellen Grant, Matti Hämäläinen, Kosal Sieng, Paul Miller, Anders Cavallini, Chiran Doshi, Seok Lew, Limin Sun, Douglas Paulson, Lorenz Esch, Banu Ahtam, Yoshio Okada, Aapo Nummenmaa, Jose Robles, Christoph Dinh, Anthony Mascarenas, Menglai Han, Bill Power, Kevin Pratt
Publikováno v:
The Review of scientific instruments. 87(9)
We developed a 375-channel, whole-head magnetoencephalography (MEG) system (“BabyMEG”) for studying the electrophysiological development of human brain during the first years of life. The helmet accommodates heads up to 95% of 36-month old boys i
Publikováno v:
Applied Numerical Mathematics. 59:1970-1988
Accuracy and run-time play an important role in medical diagnostics and research as well as in the field of neuroscience. In Electroencephalography (EEG) source reconstruction, a current distribution in the human brain is reconstructed noninvasively
Autor:
Dana H. Brooks, Martin J. Cole, Jens Krüger, Seok Lew, Darrell J. Swenson, Rob S. MacLeod, Chris R. Johnson, Ross T. Whitaker, Jeroen G. Stinstra
Publikováno v:
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences
Many simulation studies in biomedicine are based on a similar sequence of processing steps, starting from images and running through geometric model generation, assignment of tissue properties, numerical simulation and visualization of the results—
Autor:
Arno M. Janssen, Felix Lucka, Thom F. Oostendorp, Benjamin Lanfer, Seok Lew, Umit Aydin, Dick F. Stegeman, Carsten H. Wolters, Sumientra Rampersad
Publikováno v:
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 22, 3, pp. 441-52
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 22(3), 441-452. Institute of Electrical and Electronics Engineers Inc.
Rampersad, S, Janssen, A J E M, Lucka, F, Aydin, U, Lanfer, B, Lew, S, Wolters, C H, Stegeman, D F & Oostendorp, T F 2014, ' Simulating Transcranial Direct Current Stimulation With a Detailed Anisotropic Human Head Model ', IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 22, no. 3, pp. 441-452 . https://doi.org/10.1109/TNSRE.2014.2308997
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 22, 441-52
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 22(3), 441-452. Institute of Electrical and Electronics Engineers Inc.
Rampersad, S, Janssen, A J E M, Lucka, F, Aydin, U, Lanfer, B, Lew, S, Wolters, C H, Stegeman, D F & Oostendorp, T F 2014, ' Simulating Transcranial Direct Current Stimulation With a Detailed Anisotropic Human Head Model ', IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 22, no. 3, pp. 441-452 . https://doi.org/10.1109/TNSRE.2014.2308997
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 22, 441-52
Item does not contain fulltext Transcranial direct current stimulation (tDCS) is a noninvasive brain stimulation technique able to induce long-lasting changes in cortical excitability that can benefit cognitive functioning and clinical treatment. In
Autor:
P. Ellen Grant, Seok Lew, Danielle D. Sliva, Myong-sun Choe, Carsten H. Wolters, Matti Hämäläinen, Yoshio Okada
Publikováno v:
NeuroImage. 76
In infants, the fontanels and sutures as well as conductivity of the skull influence the volume currents accompanying primary currents generated by active neurons and thus the associated electroencephalography (EEG) and magnetoencephalography (MEG) s
Publikováno v:
Human Brain Mapping
Bioelectric source analysis in the human brain from scalp electroencephalography (EEG) signals is sensitive to geometry and conductivity properties of the different head tissues. We propose a low-resolution conductivity estimation (LRCE) method using