Results 41 to 50 of about 469,951 (194)

Cephalad extraspinal migration of percutaneously implanted spinal cord stimulator electrodes

Interdisciplinary Neurosurgery, 2021
Background: Spinal cord stimulation (SCS) is an invasive but beneficial treatment option for patients suffering from chronic pain. Although highly therapeutic, there are some complications that may arise.
Joseph Farshchian, Stephen Shapiro, Levonti Ohanisian, Cade Wesolowsky, Michael J. Dorsi   +4 more
doaj   +1 more source

Minimal Tissue Reaction after Chronic Subdural Electrode Implantation for Fully Implantable Brain–Machine Interfaces

Sensors, 2020
There is a growing interest in the use of electrocorticographic (ECoG) signals in brain–machine interfaces (BMIs). However, there is still a lack of studies involving the long-term evaluation of the tissue response related to electrode implantation. Here,
Tianfang Yan, Seiji Kameda, Katsuyoshi Suzuki, Taro Kaiju, Masato Inoue, Takafumi Suzuki, Masayuki Hirata   +6 more
doaj   +1 more source

Safety of localizing epilepsy monitoring intracranial electroencephalograph electrodes using MRI: radiofrequency-induced heating [PDF]

, 2008
Purpose: To investigate heating during postimplantation localization of intracranial electroencephalograph (EEG) electrodes by MRI. Materials and Methods: A phantom patient with a realistic arrangement of electrodes was used to simulate tissue ...
Lemieux, L., Thornton, J.S., Carmichael, D.W., Rodionov, R., McEvoy, A., Thornton, R., Allen, P.J.   +6 more
core  

Functional MRI with active, fully implanted, deep brain stimulation systems: Safety and experimental confounds [PDF]

, 2007
We investigated safety issues and potential experimental confounds when performing functional magnetic resonance imaging (fMRI) investigations in human subjects with fully implanted, active, deep brain stimulation (DBS) systems.
Lemieux, L., Thornton, John, Yousry, Tarek, Thobois, S., Pinto, Serge, Allen, P.J., Lemieux, Louis, Carmichael, David, Limousin-Dowsey, Patricia, Pinto, S., Limousin-Dowsey, P., Thornton, J.S., Thobois, Stéphane, Carmichael, D.W., Yousry, T., Allen, Philip   +15 more
core  

Epidural Spinal Electrogram Provides Direct Spinal Recordings in Awake Human Participants

Frontiers in Human Neuroscience, 2021
Little is known about the electrophysiological activity of the spinal cord during voluntary movement control in humans. We present a novel method for recording electrophysiological activity from the human spinal cord using implanted epidural electrodes ...
John F. Burke, Nikhita Kunwar, Maria S. Yaroshinsky, Kenneth H. Louie, Prasad Shirvalkar, Prasad Shirvalkar, Prasad Shirvalkar, Paul Su, Melanie Henry, George Pasvankas, Lawrence Poree, Lines Jacques, Doris D. Wang   +12 more
doaj   +1 more source

Stable, three degree-of-freedom myoelectric prosthetic control via chronic bipolar intramuscular electrodes: a case study

Journal of NeuroEngineering and Rehabilitation, 2019
Background Modern prosthetic hands are typically controlled using skin surface electromyographic signals (EMG) from remaining muscles in the residual limb.
Hendrik Adriaan Dewald, Platon Lukyanenko, Joris M. Lambrecht, James Robert Anderson, Dustin J. Tyler, Robert F. Kirsch, Matthew R. Williams   +6 more
doaj   +1 more source

Early Deformation of Deep Brain Stimulation Electrodes Following Surgical Implantation: Intracranial, Brain, and Electrode Mechanics

Frontiers in Bioengineering and Biotechnology, 2021
IntroductionAlthough deep brain stimulation is nowadays performed worldwide, the biomechanical aspects of electrode implantation received little attention, mainly as physicians focused on the medical aspects, such as the optimal indication of the ...
Frédéric Chapelle, Frédéric Chapelle, Lucie Manciet, Lucie Manciet, Bruno Pereira, Anna Sontheimer, Anna Sontheimer, Jérôme Coste, Jérôme Coste, Youssef El Ouadih, Youssef El Ouadih, Ruxandra Cimpeanu, Dimitri Gouot, Dimitri Gouot, Yuri Lapusta, Yuri Lapusta, Béatrice Claise, Béatrice Claise, Valérie Sautou, Yassine Bouattour, Ana Marques, Ana Marques, Adrien Wohrer, Jean-Jacques Lemaire, Jean-Jacques Lemaire   +24 more
doaj   +1 more source

Chronically Implanted Intracranial Electrodes: Tissue Reaction and Electrical Changes

Micromachines, 2018
The brain-electrode interface is arguably one of the most important areas of study in neuroscience today. A stronger foundation in this topic will allow us to probe the architecture of the brain in unprecedented functional detail and augment our ability ...
Andrew Campbell, Chengyuan Wu
doaj   +1 more source

The Relationship Between Reaction Time of Electrical Stapedius Reflex and Auditory Performance in Cochlear-implanted Children [PDF]

Iranian Rehabilitation Journal, 2021
Objectives: A common concern in some cochlear-implanted children is the lack of desired progress in auditory and listening skills. Such a concern remains despite proper verbal processor programming, additional disabilities, and continuous participation ...
Fatemeh Arbabi, Saeideh Mehrkian, Hesamaldin Emamdjomeh, Akbar Biglarian   +3 more
doaj  

Feasibility of simultaneous intracranial EEG-fMRI in humans: a safety study [PDF]

, 2010
In epilepsy patients who have electrodes implanted in their brains as part of their pre-surgical assessment, simultaneous intracranial EEG and fMRI (icEEG-fMRI) may provide important localising information and improve understanding of the underlying ...
Lemieux, L., Thornton, J.S., Carmichael, D.W., Rodionov, R., McEvoy, A.W., Thornton, R., Ordidge, R.J., Allen, P.J.   +7 more
core