Controlling selective stimulations below a spinal cord hemisection using brain recordings with a neural interface system approach.

abstract：OBJECTIVE:Wireless control and power harvesting systems that operate injectable, cellular-scale optoelectronic components provide important demonstrated capabilities in neuromodulatory techniques such as optogenetics. Here, we report a radio frequency (RF) control/harvesting device that offers dramatically reduced size...

journal_title：Journal of neural engineering

authors： Park SI,Shin G,Banks A,McCall JG,Siuda ER,Schmidt MJ,Chung HU,Noh KN,Mun JG,Rhodes J,Bruchas MR,Rogers JA

更新日期：2015-10-01 00:00:00

abstract：OBJECTIVE:Multimodal neuroimaging approaches are beneficial to discover brain functionalities at high spatial and temporal resolution. In our work, a novel material composition of a microECoG device relying on Parylene HT and indium-tin-oxide (ITO) is presented, which facilitates two-photon imaging of Ca2+ signals and ...

journal_title：Journal of neural engineering

authors： Zátonyi A,Madarász M,Szabó Á,Lőrincz T,Hodován R,Rózsa B,Fekete Z

更新日期：2020-02-18 00:00:00

abstract：OBJECTIVE:Ultrasounds (US) use in neural engineering is so far mainly limited to ablation through high intensity focused ultrasound, but interesting preliminary results show that low intensity low frequency ultrasound could be used instead to modulate neural activity. However, the extent of this modulatory ability of U...

journal_title：Journal of neural engineering

authors： Meneghetti N,Dedola F,Gavryusev V,Sancataldo G,Turrini L,de Vito G,Tiso N,Vanzi F,Carpaneto J,Cutrone A,Pavone FS,Micera S,Mazzoni A

更新日期：2020-10-14 00:00:00

abstract：OBJECTIVE:The majority of near-infrared spectroscopy (NIRS) brain-computer interface (BCI) studies have investigated binary classification problems. Limited work has considered differentiation of more than two mental states, or multi-class differentiation of higher-level cognitive tasks using measurements outside of th...

journal_title：Journal of neural engineering

authors： C Schudlo L,Chau T

更新日期：2015-12-01 00:00:00

abstract：OBJECTIVE:By means of subjective psychophysical methods, quality of transmitted speech has been decomposed into three perceptual dimensions named 'discontinuity' (F), 'noisiness' (N) and 'coloration' (C). Previous studies using electroencephalography (EEG) already reported effects of perceived intensity of single quali...

journal_title：Journal of neural engineering

authors： Uhrig S,Mittag G,Möller S,Voigt-Antons JN

更新日期：2019-06-01 00:00:00

abstract：:We investigated the relationships of the firing rate and maximal recruitment threshold of motoneurons recorded during isometric contraction with the number of spindles in individual muscles. At force levels above 10% of maximal voluntary contraction, the firing rate was inversely related to the number of spindles in a...

journal_title：Journal of neural engineering

authors： De Luca CJ,Kline JC

更新日期：2012-02-01 00:00:00

abstract：OBJECTIVE:Brain-computer interfaces (BCIs) can help patients who have lost control over most muscles but are still conscious and able to communicate or interact with the environment. One of the most popular types of BCI is the P300-based BCI. With this BCI, users are asked to count the number of appearances of target s...

journal_title：Journal of neural engineering

authors： Jin J,Zhang H,Daly I,Wang X,Cichocki A

更新日期：2017-06-01 00:00:00

abstract：OBJECTIVE:Dry electrodes have an advantage over gel-based 'wet' electrodes by providing quicker set-up time for electroencephalography recording; however, the potentially poorer contact can result in noisier recordings. We examine the impact that this may have on brain-computer interface communication and potential app...

journal_title：Journal of neural engineering

authors： Clements JM,Sellers EW,Ryan DB,Caves K,Collins LM,Throckmorton CS

更新日期：2016-12-01 00:00:00

abstract：OBJECTIVE:Analyzing and interpreting the activity of a heterogeneous population of neurons can be challenging, especially as the number of neurons, experimental trials, and experimental conditions increases. One approach is to extract a set of latent variables that succinctly captures the prominent co-fluctuation patte...

journal_title：Journal of neural engineering

authors： Cowley BR,Kaufman MT,Butler ZS,Churchland MM,Ryu SI,Shenoy KV,Yu BM

更新日期：2013-12-01 00:00:00

abstract：OBJECTIVE:Artificial proprioceptive feedback from a myoelectric prosthesis is an important aspect in enhancing embodiment and user satisfaction, possibly lowering the demand for visual attention while controlling a prosthesis in everyday tasks. Contemporary myoelectric prostheses are advanced mechatronic systems with m...

journal_title：Journal of neural engineering

authors： Garenfeld MA,Mortensen CK,Strbac M,Dideriksen JL,Dosen S

更新日期：2020-08-14 00:00:00

abstract：:Brain-computer interfaces (BCIs) can use brain signals from the scalp (EEG), the cortical surface (ECoG), or within the cortex to restore movement control to people who are paralyzed. Like muscle-based skills, BCIs' use requires activity-dependent adaptations in the brain that maintain stable relationships between the...

journal_title：Journal of neural engineering

authors： McFarland DJ,Sarnacki WA,Wolpaw JR

更新日期：2010-06-01 00:00:00

abstract：:We present a micromachined 252-channel ECoG (electrocorticogram)-electrode array, which is made of a thin polyimide foil substrate enclosing sputtered platinum electrode sites and conductor paths. The array subtends an area of approximately 35 mm by 60 mm and is designed to cover large parts of a hemisphere of a macaq...

journal_title：Journal of neural engineering

authors： Rubehn B,Bosman C,Oostenveld R,Fries P,Stieglitz T

更新日期：2009-06-01 00:00:00

abstract：:This review paper shows that tungsten should not generally be used as a chronically implanted material. The metal has a long implant history, from neuroscience, vascular medicine, radiography, orthopaedics, prosthodontics, and various other fields, primarily as a result of its high density, radiopacity, tensile streng...

journal_title：Journal of neural engineering

authors： Shah Idil A,Donaldson N

更新日期：2018-04-01 00:00:00

abstract：OBJECTIVE:Electrocorticography (ECoG) based studies generally analyze features from specific frequency bands selected by manual evaluation of spectral power. However, the definition of these features can vary across subjects, cortical areas, tasks and across time for a given subject. We propose an autoencoder based app...

journal_title：Journal of neural engineering

authors： Pailla T,Miller KJ,Gilja V

更新日期：2019-02-01 00:00:00

abstract：OBJECTIVE:In electroencephalographic (EEG) data, signals from distinct sources within the brain are widely spread by volume conduction and superimposed such that sensors receive mixtures of a multitude of signals. This reduction of spatial information strongly hampers single-trial analysis of EEG data as, for example, ...

journal_title：Journal of neural engineering

authors： Sannelli C,Vidaurre C,Müller KR,Blankertz B

更新日期：2016-08-01 00:00:00

abstract：OBJECTIVE:Despite the high number of degrees of freedom of the human hand, most actions of daily life can be executed incorporating only palmar, pincer and lateral grasp. In this study we attempt to discriminate these three different executed reach-and-grasp actions utilizing their EEG neural correlates. APPROACH:In a...

journal_title：Journal of neural engineering

authors： Schwarz A,Ofner P,Pereira J,Sburlea AI,Müller-Putz GR

更新日期：2018-02-01 00:00:00

abstract：OBJECTIVE:Recording of neural signals from intact peripheral nerves in patients with spinal cord injury or stroke survivors offers the possibility for the development of closed-loop sensorimotor prostheses. Nerve cuffs have been found to provide stable recordings from peripheral nerves for prolonged periods of time. Ho...

journal_title：Journal of neural engineering

authors： Silveira C,Brunton E,Spendiff S,Nazarpour K

更新日期：2018-08-01 00:00:00

abstract：:With the advent of new designs of visual prostheses for the blind, FDA is faced with developing guidance for evaluating their engineering, safety and patient performance. Visual prostheses are considered significant risk medical devices, and their use in human clinical trials must be approved by FDA under an investiga...

journal_title：Journal of neural engineering

authors： Cohen ED

更新日期：2007-03-01 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 reliable estimation of parameters such as mean or covariance matrix from noisy and high-dimensional observations is a prerequisite for successful application of signal processing and machine learning algorithms in brain-computer interfacing (BCI). This challenging task becomes significantly more difficult...

journal_title：Journal of neural engineering

authors： Samek W,Nakajima S,Kawanabe M,Müller KR

更新日期：2017-12-01 00:00:00

abstract：OBJECTIVE:Electrical status epilepticus during sleep (ESES), as electroencephalographic disturbances, is characterized by strong activation of epileptiform activity in the electroencephalogram during sleep. Quantitative descriptors of such epileptiform activity can support the diagnose and the prognosis of children wit...

journal_title：Journal of neural engineering

authors： Zhao X,Wang X,Chen C,Fan J,Yu X,Wang Z,Akbarzadeh S,Li Q,Zhou S,Chen W

更新日期：2020-08-11 00:00:00

abstract：OBJECTIVE:Previous studies have shown that single-frequency impedance measurements could provide useful information about the distance between the neuroprosthesis and the retina. This work investigates the use of impedance spectroscopy in monitoring subretinal implantations of flexible micro-electrode arrays and focuse...

journal_title：Journal of neural engineering

authors： Pham P,Roux S,Matonti F,Dupont F,Agache V,Chavane F

更新日期：2013-08-01 00:00:00

abstract：OBJECTIVE:Most brain-computer interfaces (BCIs) based on functional near-infrared spectroscopy (fNIRS) require that users perform mental tasks such as motor imagery, mental arithmetic, or music imagery to convey a message or to answer simple yes or no questions. These cognitive tasks usually have no direct association ...

journal_title：Journal of neural engineering

authors： Rezazadeh Sereshkeh A,Yousefi R,Wong AT,Chau T

更新日期：2019-02-01 00:00:00

abstract：OBJECTIVE:To determine whether the estimated fraction and degree of distribution of visual responsive neurons in human intracranial microwire recordings depends upon the spike sorting method used. APPROACH:A large dataset of human intracranial microwire recordings from four brain areas was sorted into single unit acti...

journal_title：Journal of neural engineering

authors： Steinmetz PN

更新日期：2020-04-09 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:A visual stimulator plays a vital part in brain-computer interfaces (BCIs) based on steady-state visual evoked potential (SSVEP). The properties of visual stimulation, such as frequency, color, and waveform, will influence SSVEP-based BCI performance to some extent. Recently, the computer monitor serves as a ...

journal_title：Journal of neural engineering

authors： Chen X,Wang Y,Zhang S,Xu S,Gao X

更新日期：2019-10-10 00:00:00

abstract：OBJECTIVE:Cochlear implants, while providing significant benefits to recipients, remain limited due to broad neural activation. Focussed multipolar stimulation (FMP) is an advanced stimulation strategy that uses multiple current sources to produce highly focussed patterns of neural excitation in order to overcome these...

journal_title：Journal of neural engineering

authors： Senn P,Shepherd RK,Fallon JB

更新日期：2018-10-01 00:00:00

abstract：OBJECTIVE:Filter bank canonical correlation analysis (FBCCA) is a widely-used classification approach implemented in steady-state visual evoked potential (SSVEP)-based brain-computer interfaces (BCIs). However, conventional detection algorithms for SSVEP recognition problems, including the FBCCA, were usually based on ...

journal_title：Journal of neural engineering

authors： Chen Y,Yang C,Chen X,Wang Y,Gao X

更新日期：2020-05-07 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:Neuromodulation technologies are increasingly used for improving function after neural injury. To achieve a symbiotic relationship between device and user, the device must augment remaining function, and independently adapt to day-to-day changes in function. The goal of this study was to develop predictive co...

journal_title：Journal of neural engineering

authors： Dalrymple AN,Roszko DA,Sutton RS,Mushahwar VK

更新日期：2020-06-02 00:00:00