Algorithms and architectures for low power spike detection and alignment.

abstract：:Hybrid electro-optical neural stimulation is a novel paradigm combining the advantages of optical and electrical stimulation techniques while reducing their respective limitations. However, in order to fulfill its promise, this technique requires reduced variability and improved reproducibility. Here we used a compara...

journal_title：Journal of neural engineering

authors： Duke AR,Lu H,Jenkins MW,Chiel HJ,Jansen ED

更新日期：2012-06-01 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：OBJECTIVE:We have previously demonstrated a brain-machine interface neuroprosthetic system that provided continuous control of functional electrical stimulation (FES) and restoration of grasp in a primate model of spinal cord injury (SCI). Predicting intended EMG directly from cortical recordings provides a flexible hi...

journal_title：Journal of neural engineering

authors： Ethier C,Acuna D,Solla SA,Miller LE

更新日期：2016-08-01 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：:Golgi tendon organs (GTOs) located in the skeletal muscles provide the central nervous system with information about muscle tension. The ensemble firing of all GTO receptors in the muscle has been hypothesized to represent a reliable measure of the whole muscle force but the precision and accuracy of that information ...

journal_title：Journal of neural engineering

authors： Mileusnic MP,Loeb GE

更新日期：2009-06-01 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：: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:We aim to increase the number of neural spikes that can be detected in a single channel extracellular neural recording. APPROACH:We propose a pre-emphasis method facilitating stochastic resonance (SR), where we introduce the band-pass-filtered noisy extracellular recording to an overdamped Brownian particle ...

journal_title：Journal of neural engineering

authors： Güngör CB,Töreyin H

更新日期：2020-09-18 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: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：OBJECTIVE:High-rate pulse trains have proven to be effective in cochlear prosthetics and, more recently, have been shown to elicit a wide range of interesting response properties in axons of the peripheral nervous system. Surprisingly, the effectiveness of such trains for use in retinal prostheses has not been explored...

journal_title：Journal of neural engineering

authors： Cai C,Twyford P,Fried S

更新日期：2013-06-01 00:00:00

abstract：OBJECTIVE:Intracortical brain-machine interfaces (iBMIs) aim to restore efficient communication and movement ability for paralyzed patients. However, frequent recalibration is required for consistency and reliability, and every recalibration will require relatively large most current sample set. The aim in this study i...

journal_title：Journal of neural engineering

authors： Zhang P,Ma X,Chen L,Zhou J,Wang C,Li W,He J

更新日期：2018-04-01 00:00:00

abstract：OBJECTIVE:The human auditory system acquires environmental information under sound stimuli faster than visual or touch systems, which in turn, allows for faster human responses to such stimuli. It also complements senses such as sight, where direct line-of-view is necessary to identify objects, in the environment recog...

journal_title：Journal of neural engineering

authors： Vidal EG,Zarricueta EF,Cheein FA

更新日期：2015-02-01 00:00:00

abstract：OBJECTIVE:The objective of this work is to use the capability of spiking neural networks to capture the spatio-temporal information encoded in time-series signals and decode them without the use of hand-crafted features and vector-based learning and the realization of the spiking model on low-power neuromorphic hardwar...

journal_title：Journal of neural engineering

authors： Behrenbeck J,Tayeb Z,Bhiri C,Richter C,Rhodes O,Kasabov N,Espinosa-Ramos JI,Furber S,Cheng G,Conradt J

更新日期：2019-04-01 00:00:00

abstract：OBJECTIVE:Implantable retinal prostheses aim to provide artificial vision to those suffering from retinal degenerative diseases by electrically stimulating the remaining retinal neurons using a multi-electrode array. The spatial resolution of these devices can be improved by creation of so-called virtual channels (VCs)...

journal_title：Journal of neural engineering

authors： Song X,Guo T,Shivdasani MN,Dokos S,Lovell NH,Li X,Qiu S,Li T,Zheng S,Li L

更新日期：2020-10-21 00:00:00

abstract：OBJECTIVE:The fact that all human action is preceded by brain processes partially observable through neuroimaging devices such as electroencephalography (EEG) is currently being explored in a number of applications. A recent study by Haufe et al (2011 J. Neural Eng. 8 056001) demonstrates the possibility of performing ...

journal_title：Journal of neural engineering

authors： Haufe S,Kim JW,Kim IH,Sonnleitner A,Schrauf M,Curio G,Blankertz B

更新日期：2014-10-01 00:00:00

abstract：:A clinically effective retinal prosthesis must evoke localized phosphenes in a retinotopic manner in response to stimulation of each of the retinal electrodes, evoke brightness cues over a wide dynamic range and function within safe stimulus limits. The effects of varying return configuration for retinal stimulation a...

journal_title：Journal of neural engineering

authors： Cicione R,Shivdasani MN,Fallon JB,Luu CD,Allen PJ,Rathbone GD,Shepherd RK,Williams CE

更新日期：2012-06-01 00:00:00

abstract：OBJECTIVE:Powered robotic prostheses create a need for natural-feeling user interfaces and robust control schemes. Here, we examined the ability of a nonlinear autoregressive model to continuously map the kinematics of a transtibial prosthesis and electromyographic (EMG) activity recorded within socket to the future es...

journal_title：Journal of neural engineering

authors： Farmer S,Silver-Thorn S,Voglewede P,Beardsley SA

更新日期：2014-10-01 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: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:Electroencephalography (EEG) offers a unique opportunity to study human neural activity non-invasively with millisecond resolution using minimal equipment in or outside of a lab setting. EEG can be combined with a number of techniques for closed-loop experiments, where external devices are driven by specific ...

journal_title：Journal of neural engineering

authors： Black C,Voigts J,Agrawal U,Ladow M,Santoyo J,Moore C,Jones S

更新日期：2017-06-01 00:00:00

abstract：OBJECTIVE:Schwann cells (SCs) are primary structural and functional cells in the peripheral nervous system. These cells play a crucial role in peripheral nerve regeneration by releasing neurotrophic factors. This study evaluated the neural differentiation potential effects of stem cells from human exfoliated deciduous ...

journal_title：Journal of neural engineering

authors： Su WT,Pan YJ

更新日期：2016-08-01 00:00:00

abstract：:Human trials of prototype visual prostheses have successfully elicited visual percepts (phosphenes) in the visual field of implant recipients blinded through retinitis pigmentosa and age-related macular degeneration. Researchers are progressing rapidly towards a device that utilizes individual phosphenes as the elemen...

journal_title：Journal of neural engineering

authors： Chen SC,Suaning GJ,Morley JW,Lovell NH

更新日期：2009-06-01 00:00:00

abstract：OBJECTIVE:Neuromusculoskeletal models involve many subject-specific physiological parameters that need to be adjusted to adequately represent muscle properties. Traditionally, neuromusculoskeletal models have been calibrated with a forward-inverse dynamic optimization which is time-consuming and unfeasible for rehabili...

journal_title：Journal of neural engineering

authors： Bueno DR,Montano L

更新日期：2017-04-01 00:00:00

abstract：OBJECTIVE:Current brain-computer interface (BCI) studies demonstrate the potential to decode neural signals obtained from structured and trial-based tasks to drive actuators with high performance within the context of these tasks. Ideally, to maximize utility, such systems will be applied to a wide range of behavioral ...

journal_title：Journal of neural engineering

authors： Alasfour A,Gabriel P,Jiang X,Shamie I,Melloni L,Thesen T,Dugan P,Friedman D,Doyle W,Devinsky O,Gonda D,Sattar S,Wang S,Halgren E,Gilja V

更新日期：2019-02-01 00:00:00

abstract：:Rational selection of electrical stimulus parameters for an electronic retinal prosthesis requires knowledge of the electrophysiological responses of retinal neurons to electrical stimuli. In this study, we examined the effects of cathodal and anodal current pulses on the extracellularly recorded responses of OFF and ...

journal_title：Journal of neural engineering

authors： Jensen RJ,Ziv OR,Rizzo JF

更新日期：2005-03-01 00:00:00

abstract：OBJECTIVE:Haptic feedback is crucial when we manipulate objects. Information pertaining to an object's stiffness in particular can help facilitate fine motor control. In this study, we seek to determine whether objects of different stiffness levels can be recognized using haptic feedback provided by transcutaneous elec...

journal_title：Journal of neural engineering

authors： Vargas L,Shin H,Huang HH,Zhu Y,Hu X

更新日期：2019-12-05 00:00:00

abstract：OBJECTIVE:Resting state functional connectivity (RSFC) allows the study of functional organization in normal and diseased brain by measuring the spontaneous brain activity generated under resting conditions. Intrinsic optical signal imaging (IOSI) based on multiple illumination wavelengths has been used successfully to...

journal_title：Journal of neural engineering

authors： Kura S,Xie H,Fu B,Ayata C,Boas DA,Sakadžić S

更新日期：2018-06-01 00:00:00

abstract：:This paper describes the technological developments underlying the realization of a reliable and reproducible microchip-based stimulator with a large number of stimulus electrodes. A microchip-based stimulator with over 500 electrodes for suprachoroidal transretinal stimulation (STS) is proposed in this paper, and an ...

journal_title：Journal of neural engineering

authors： Ohta J,Tokuda T,Kagawa K,Sugitani S,Taniyama M,Uehara A,Terasawa Y,Nakauchi K,Fujikado T,Tano Y

更新日期：2007-03-01 00:00:00

abstract：OBJECTIVE:Assessing an infant's brain development remains a challenge for neuroscientists and pediatricians despite great technological advances. As a non-invasive neuroimaging tool, functional near-infrared spectroscopy (fNIRS) has great advantages in monitoring an infant's brain activity. To explore the dynamic featu...

journal_title：Journal of neural engineering

authors： Liang Z,Minagawa Y,Yang HC,Tian H,Cheng L,Arimitsu T,Takahashi T,Tong Y

更新日期：2018-12-01 00:00:00