Long-term recording reliability of liquid crystal polymer µECoG arrays.

abstract：OBJECTIVE:Electroencephalography (EEG) recorded during transcranial alternating current simulation (tACS) is highly desirable in order to investigate brain dynamics during stimulation, but is corrupted by large amplitude stimulation artefacts. Artefact removal algorithms have been presented previously, but with substan...

journal_title：Journal of neural engineering

authors： Kohli S,Casson AJ

更新日期：2020-01-24 00:00:00

abstract：OBJECTIVE:Although electrode size should be miniaturized to provide higher selectivity for neural signal recording and to avoid tissue damage, small sized electrodes induce high impedance, which decreases recording quality. In this work, the electrode surface was modified to increase the effective surface area to lower...

journal_title：Journal of neural engineering

authors： Chung T,Wang JQ,Wang J,Cao B,Li Y,Pang SW

更新日期：2015-10-01 00:00:00

abstract：OBJECTIVE:Recent advances in neural engineering have restored mobility to people with paralysis, relieved symptoms of movement disorders, reduced chronic pain, restored the sense of hearing, and provided sensory perception to individuals with sensory deficits. APPROACH:This progress was enabled by the team-based, inte...

journal_title：Journal of neural engineering

authors： Ereifej ES,Shell CE,Schofield JS,Charkhkar H,Cuberovic I,Dorval AD,Graczyk EL,Kozai TDY,Otto KJ,Tyler DJ,Welle CG,Widge AS,Zariffa J,Moritz CT,Bourbeau DJ,Marasco PD

更新日期：2019-11-12 00:00:00

abstract：:Brain-computer interface (BCI) systems do not work for all users. This article introduces a novel combination of tasks that could inspire BCI systems that are more accurate than conventional BCIs, especially for users who cannot attain accuracy adequate for effective communication. Subjects performed tasks typically u...

journal_title：Journal of neural engineering

authors： Allison BZ,Brunner C,Kaiser V,Müller-Putz GR,Neuper C,Pfurtscheller G

更新日期：2010-04-01 00:00:00

abstract：OBJECTIVE:Low-intensity pulsed ultrasound stimulation (LIPUS) targeted to the mouse motor cortex can simultaneously induce local field potentials (LFPs) and electromyogram (EMG) responses. However, the functional coupling relationship between LFP and EMG signals has not been elucidated to date. This study aimed to inve...

journal_title：Journal of neural engineering

authors： Wang Y,Xie P,Zhou S,Wang X,Yuan Y

更新日期：2019-04-01 00:00:00

abstract：OBJECTIVE:The advancement of surface electromyogram (sEMG) recording and signal processing techniques has allowed us to characterize the recruitment properties of a substantial population of motor units (MUs) non-invasively. Here we seek to determine whether MU recruitment properties are modified in paretic muscles of ...

journal_title：Journal of neural engineering

authors： Hu X,Suresh AK,Rymer WZ,Suresh NL

更新日期：2015-12-01 00:00:00

abstract：OBJECTIVE:The objective of this work is to present gumpy, a new free and open source Python toolbox designed for hybrid brain-computer interface (BCI). APPROACH:Gumpy provides state-of-the-art algorithms and includes a rich selection of signal processing methods that have been employed by the BCI community over the la...

journal_title：Journal of neural engineering

authors： Tayeb Z,Waniek N,Fedjaev J,Ghaboosi N,Rychly L,Widderich C,Richter C,Braun J,Saveriano M,Cheng G,Conradt J

更新日期：2018-12-01 00:00:00

abstract：:In this paper, we propose a simple and straightforward algorithm for neural spike sorting. The algorithm is based on the observation that the distribution of a neural signal largely deviates from the uniform distribution and is rather unimodal. The detected spikes to be sorted are first processed with some feature ext...

journal_title：Journal of neural engineering

authors： Tiganj Z,Mboup M

更新日期：2011-12-01 00:00:00

abstract：:Extracellular metal microelectrodes are widely used to record single neuron activity in vivo. However, their signal-to-noise ratio (SNR) is often far from optimal due to their high impedance value. It has been recently reported that carbon nanotube (CNT) coatings may decrease microelectrode impedance, thus improving t...

journal_title：Journal of neural engineering

authors： Baranauskas G,Maggiolini E,Castagnola E,Ansaldo A,Mazzoni A,Angotzi GN,Vato A,Ricci D,Panzeri S,Fadiga L

更新日期：2011-12-01 00:00:00

abstract：OBJECTIVE:Penetrating cortical neural probe technologies allow investigators to record electrical signals in the brain. Implantation of probes results in acute tissue damage, and microglia density increases around implanted devices over weeks. However, the mechanisms underlying this encapsulation are not well understoo...

journal_title：Journal of neural engineering

authors： Kozai TD,Vazquez AL,Weaver CL,Kim SG,Cui XT

更新日期：2012-12-01 00:00:00

abstract：OBJECTIVE:We presented a comparative study on the training methodologies of a convolutional neural network (CNN) for the detection of steady-state visually evoked potentials (SSVEP). Two training scenarios were also compared: user-independent (UI) training and user-dependent (UD) training. APPROACH:The CNN was trained...

journal_title：Journal of neural engineering

authors： Ravi A,Beni NH,Manuel J,Jiang N

更新日期：2020-04-08 00:00:00

abstract：OBJECTIVE:Currently commercially available nerve conduits have demonstrated suboptimal clinical efficacy in repairing peripheral nerve defects. Although tissue-engineered nerve grafts (TENGs) with sustained release of neurotrophic factors (NTFs) are experimentally proved to be more effective than these blank conduits, ...

journal_title：Journal of neural engineering

authors： Liu Y,Yu S,Gu X,Cao R,Cui S

更新日期：2020-12-09 00:00:00

abstract：:The P300 speller is an example of a brain-computer interface that can restore functionality to victims of neuromuscular disorders. Although the most common application of this system has been communicating language, the properties and constraints of the linguistic domain have not to date been exploited when decoding b...

journal_title：Journal of neural engineering

authors： Speier W,Arnold C,Lu J,Taira RK,Pouratian N

更新日期：2012-02-01 00:00:00

abstract：:Glutamate spillover is thought to play a significant role in increasing neural transmission at the mossy fiber/granule cell cerebellar glomerulus. Glutamate spillover has been shown to activate AMPA receptors at the glomerulus, and here we complete the characterization of spillover at the glomerulus by investigating t...

journal_title：Journal of neural engineering

authors： Mitchell CS,Feng SS,Lee RH

更新日期：2007-09-01 00:00:00

abstract：OBJECTIVE:In a previous study we demonstrated continuous translation, orientation and one-dimensional grasping control of a prosthetic limb (seven degrees of freedom) by a human subject with tetraplegia using a brain-machine interface (BMI). The current study, in the same subject, immediately followed the previous work...

journal_title：Journal of neural engineering

authors： Wodlinger B,Downey JE,Tyler-Kabara EC,Schwartz AB,Boninger ML,Collinger JL

更新日期：2015-02-01 00:00:00

abstract：:Microscopic aggregation assay and impedance sensing (IS) were used to monitor a change in in vitro neuron-neuron adhesion in response to blocking of cell adhesion molecules. By blocking neuron-neuron adhesion, migration and aggregation of neuronal cells can be inhibited. This leads to better control of spatial arrange...

journal_title：Journal of neural engineering

authors： Wiertz RW,Marani E,Rutten WL

更新日期：2010-10-01 00:00:00

abstract：:Repositioning microelectrodes post-implantation is emerging as a promising approach to achieve long-term reliability in single neuronal recordings. The main goal of this study was to (a) assess glial reaction in response to movement of microelectrodes in the brain post-implantation and (b) determine an optimal window ...

journal_title：Journal of neural engineering

authors： Stice P,Muthuswamy J

更新日期：2009-08-01 00:00:00

abstract：OBJECTIVE:The rapidly developing paradigm of closed-loop neuroscience has extensively employed brain rhythms as the signal forming real-time neurofeedback, triggering brain stimulation, or governing stimulus selection. However, the efficacy of brain rhythm contingent paradigms suffers from significant delays related to...

journal_title：Journal of neural engineering

authors： Smetanin N,Belinskaya A,Lebedev M,Ossadtchi A

更新日期：2020-08-04 00:00:00

abstract：:We consider the problem of desynchronizing a network of synchronized, globally (all-to-all) coupled neurons using an input to a single neuron. This is done by applying the discrete time dynamic programming method to reduced phase models for neural populations. This technique numerically minimizes a certain cost functi...

journal_title：Journal of neural engineering

authors： Nabi A,Moehlis J

更新日期：2011-12-01 00:00:00

abstract：:The objective of this work is to develop and test a photovoltaic retinal prosthesis for restoring sight to patients blinded by degenerative retinal diseases. A silicon photodiode array for subretinal stimulation has been fabricated by a silicon-integrated-circuit/MEMS process. Each pixel in the two-dimensional array c...

journal_title：Journal of neural engineering

authors： Wang L,Mathieson K,Kamins TI,Loudin JD,Galambos L,Goetz G,Sher A,Mandel Y,Huie P,Lavinsky D,Harris JS,Palanker DV

更新日期：2012-08-01 00:00:00

abstract：:The blood oxygenation level dependent (BOLD) contrast has been commonly used to detect fMRI signal. The majority of the BOLD signals are believed to arise from the venous and capillary networks. However, only those from the capillaries are spatially close to the neuronal activities, while the signals from large veins ...

journal_title：Journal of neural engineering

authors： Song AW,Gangstead SL

更新日期：2004-03-01 00:00:00

abstract：OBJECTIVE:Deep brain stimulation (DBS) of the internal segment of the globus pallidus (GPi) in patients with Parkinson's disease and dystonia improves motor symptoms and quality of life. Traditionally, pallidal borders have been demarcated by electrophysiological microelectrode recordings (MERs) during DBS surgery. How...

journal_title：Journal of neural engineering

authors： Valsky D,Blackwell KT,Tamir I,Eitan R,Bergman H,Israel Z

更新日期：2020-01-06 00:00:00

abstract：:We describe a brain-computer interface for controlling a humanoid robot directly using brain signals obtained non-invasively from the scalp through electroencephalography (EEG). EEG has previously been used for tasks such as controlling a cursor and spelling a word, but it has been regarded as an unlikely candidate fo...

journal_title：Journal of neural engineering

authors： Bell CJ,Shenoy P,Chalodhorn R,Rao RP

更新日期：2008-06-01 00:00:00

abstract：:The peripheral nerves of an amputee's residual limb still carry the information required to provide the robust, natural control signals needed to command a dexterous prosthetic limb. However, these signals are mixed in the volume conductor of the body and extracting them is an unmet challenge. A beamforming algorithm ...

journal_title：Journal of neural engineering

authors： Wodlinger B,Durand DM

更新日期：2011-10-01 00:00:00

abstract：OBJECTIVE:We propose a new hybrid brain-computer interface (BCI) system that integrates two different EEG tasks: tactile selective attention (TSA) using a vibro-tactile stimulator on the left/right finger and motor imagery (MI) of left/right hand movement. Event-related desynchronization (ERD) from the MI task and stea...

journal_title：Journal of neural engineering

authors： Ahn S,Ahn M,Cho H,Chan Jun S

更新日期：2014-12-01 00:00:00

abstract：:In the study of the spreading depression (SD) wave phenomenon and its dynamics, it is necessary to describe the ionic movements along the extracellular space, as well as between this and the intracellular space. In both cases, the ionic movement includes a double coupling involving the concentration and the potential ...

journal_title：Journal of neural engineering

authors： Teixeira HZ,de Almeida AC,Infantosi AF,Vasconcelos MA,Duarte MA

更新日期：2004-06-01 00:00:00

abstract：:Functional electrical stimulation (FES) involves artificial activation of muscles with surface or implanted electrodes to restore motor function in paralyzed individuals. Currently, FES-based prostheses produce only a limited range of movements due to the difficulty associated with identifying patterns of muscle activ...

journal_title：Journal of neural engineering

authors： Johnson LA,Fuglevand AJ

更新日期：2009-10-01 00:00:00

abstract：:In this paper we propose a dual stream neural network (DSNN) for classifying arbitrary collections of functional neuroimaging signals for the purpose of brain computer interfaces (BCIs). In the DSNN the first stream is an end-to-end classifier taking raw time-dependent signals as input and generating feature identific...

journal_title：Journal of neural engineering

authors： Kuang D,Michoski C

更新日期：2020-11-10 00:00:00

abstract：OBJECTIVE:Brain-computer interfaces (BCI) are becoming important tools for assistive technology, particularly through the use of motor imagery (MI) for aiding task completion. However, most existing methods of MI classification have been applied in a trial-wise fashion, with window sizes of approximately 2 s or more. A...

journal_title：Journal of neural engineering

authors： Freer D,Yang GZ

更新日期：2020-01-31 00:00:00

abstract：OBJECTIVE:Retinal prosthetic implants restore partial vision to patients blinded due to outer retinal degeneration, using a camera-guided multielectrode array (MEA) that electrically stimulates surviving retinal neurons. Commercial epi-retinal prostheses use millisecond-scale charge-balanced, symmetric, cathodic-first ...

journal_title：Journal of neural engineering

authors： Chang YC,Haji Ghaffari D,Chow RH,Weiland JD

更新日期：2019-04-01 00:00:00