Integrated circuit amplifiers for multi-electrode intracortical recording.

abstract：OBJECTIVE:Due to their increased proximity to retinal ganglion cells (RGCs), epiretinal visual prostheses present the opportunity for eliciting phosphenes with low thresholds through direct RGC activation. This study characterised the in vivo performance of a novel prototype monolithic epiretinal prosthesis, containing...

journal_title：Journal of neural engineering

authors： Shivdasani MN,Evans M,Burns O,Yeoh J,Allen PJ,Nayagam DAX,Villalobos J,Abbott CJ,Luu CD,Opie NL,Sabu A,Saunders AL,McPhedran M,Cardamone L,McGowan C,Maxim V,Williams RA,Fox KE,Cicione R,Garrett DJ,Ahnood A,Ganes

更新日期：2020-08-05 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：:Neural activity can be modulated by applying a polarizing low-frequency (<100 Hz) electric field (PLEF). Unlike conventional pulsed stimulation, PLEF stimulation has a graded, modulatory effect on neuronal excitability, and permits the simultaneous recording of neuronal activity during stimulation suitable for continu...

journal_title：Journal of neural engineering

authors： Sunderam S,Chernyy N,Peixoto N,Mason JP,Weinstein SL,Schiff SJ,Gluckman BJ

更新日期：2009-08-01 00:00:00

abstract：OBJECTIVE:A signal-based metric for assessment of accuracy of motor unit (MU) identification from high-density surface electromyograms (EMG) is introduced. This metric, so-called pulse-to-noise-ratio (PNR), is computationally efficient, does not require any additional experimental costs and can be applied to every MU t...

journal_title：Journal of neural engineering

authors： Holobar A,Minetto MA,Farina D

更新日期：2014-02-01 00:00:00

abstract：OBJECTIVE:Brain-computer interface (BCI) technology aims to provide individuals with paralysis a means to restore function. Electrocorticography (ECoG) uses disc electrodes placed on either the surface of the dura or the cortex to record field potential activity. ECoG has been proposed as a viable neural recording moda...

journal_title：Journal of neural engineering

authors： Degenhart AD,Hiremath SV,Yang Y,Foldes S,Collinger JL,Boninger M,Tyler-Kabara EC,Wang W

更新日期：2018-04-01 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:Differential measurement of efferent and afferent peripheral nerve activity offers a promising means of improving the clinical utility of implantable neuroprostheses. The tripolar nerve cuff electrode has historically served as the gold standard for achieving high signal-to-noise ratios (SNRs) of the recordin...

journal_title：Journal of neural engineering

authors： Sabetian P,Popovic MR,Yoo PB

更新日期：2017-06-01 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:While the positive correlation between impedance and noise of microelectrodes is well known, their quantitative relationship is too rarely described. Knowledge of this relationship provides useful information for both microsystems engineers and electrophysiologists. APPROACH:We discuss the physical basis of ...

journal_title：Journal of neural engineering

authors： Mierzejewski M,Steins H,Kshirsagar P,Jones PD

更新日期：2020-10-15 00:00:00

abstract：OBJECTIVE:Predicting how the brain can be driven to specific states by means of internal or external control requires a fundamental understanding of the relationship between neural connectivity and activity. Network control theory is a powerful tool from the physical and engineering sciences that can provide insights r...

journal_title：Journal of neural engineering

authors： Karrer TM,Kim JZ,Stiso J,Kahn AE,Pasqualetti F,Habel U,Bassett DS

更新日期：2020-04-09 00:00:00

abstract：:In this paper, we investigate the influence of hypercapnia on the dynamics of the phrenic neurogram in the piglet in two different age groups: 3-7 days (n = 11) and 10-16 days (n = 9). The phrenic neurogram was recorded from 17 piglets (3-16 days old) during control (40% O(2) with 3-5% end-tidal CO(2)), mild hypercapn...

journal_title：Journal of neural engineering

authors： Akay M

更新日期：2005-06-01 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：: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：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:Due to low spatial resolution and poor signal-to-noise ratio of electroencephalogram (EEG), high accuracy classifications still suffer from lots of obstacles in the context of motor imagery (MI)-based brain-machine interface (BMI) systems. Particularly, it is extremely challenging to decode multiclass MI EEG ...

journal_title：Journal of neural engineering

authors： Chu Y,Zhao X,Zou Y,Xu W,Song G,Han J,Zhao Y

更新日期：2020-08-11 00:00:00

abstract：:Deep brain stimulation (DBS) of the subthalamic nucleus with periodic, high-frequency pulse trains is an increasingly standard therapy for advanced Parkinson's disease. Here, we propose that a closed-loop global optimization algorithm may identify novel DBS waveforms that could be more effective than their high-freque...

journal_title：Journal of neural engineering

authors： Feng XJ,Greenwald B,Rabitz H,Shea-Brown E,Kosut R

更新日期：2007-06-01 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

abstract：OBJECTIVE:The past two decades have seen dramatic progress in our ability to model brain signals recorded by electroencephalography, functional near-infrared spectroscopy, etc., and to derive real-time estimates of user cognitive state, response, or intent for a variety of purposes: to restore communication by the seve...

journal_title：Journal of neural engineering

authors： Kothe CA,Makeig S

更新日期：2013-10-01 00:00:00

abstract：OBJECTIVE:Sleep spindles in the electroencephalogram (EEG) are significant in sleep analysis related to cognitive functions and neurological diseases, and thus are of great clinical interests. An automatic sleep spindle detection algorithm could help decrease the workload of visual inspection by sleep clinicians. APPR...

journal_title：Journal of neural engineering

authors： Jiang D,Ma Y,Wang Y

更新日期：2020-12-16 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：OBJECTIVE:The use of natural sounds in auditory Brain-Computer Interfaces (BCI) has been shown to improve classification results and usability. Some auditory BCIs are based on stream segregation, in which the subjects must attend one audio stream and ignore the other(s); these streams include some kind of stimuli to be...

journal_title：Journal of neural engineering

authors： Velasco-Álvarez F,Fernández-Rodríguez Á,Medina-Juliá MT,Ron-Angevin R

更新日期：2021-01-19 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: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：:Electrical stimulation of peripheral nerve activates large-diameter fibers before small ones. A physiological recruitment order, from small to large-diameter axons, is desirable in many applications. Previous studies using computer simulations showed that selective activation of small fibers could be achieved by resha...

journal_title：Journal of neural engineering

authors： Lertmanorat Z,Durand DM

更新日期：2004-12-01 00:00:00

abstract：OBJECTIVE:Somatic symptom disorder (SSD) is a reflection of medically unexplained physical symptoms that lead to distress and impairment in social and occupational functioning. SSD is phenomenologically diagnosed and its neurobiology remains unsolved. APPROACH:In this study, we performed hyper-parameter optimized clas...

journal_title：Journal of neural engineering

authors： Eken A,Çolak B,Bal NB,Kuşman A,Kızılpınar SÇ,Akaslan DS,Baskak B

更新日期：2019-12-16 00:00:00

abstract：UNLABELLED:Transcranial Doppler (TCD) was recently introduced as a new brain-computer interface (BCI) modality for detecting task-induced hemispheric lateralization. To date, single-trial discrimination between a lateralized mental activity and a rest state has been demonstrated with long (45 s) activation time periods...

journal_title：Journal of neural engineering

authors： Aleem I,Chau T

更新日期：2013-02-01 00:00:00

abstract：OBJECTIVE:Most recent steady-state visual evoked potential (SSVEP)-based brain-computer interface (BCI) systems have used a single frequency for each target, so that a large number of targets require a large number of stimulus frequencies and therefore a wider frequency band. However, human beings show good SSVEP respo...

journal_title：Journal of neural engineering

authors： Chen X,Chen Z,Gao S,Gao X

更新日期：2013-12-01 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:To evaluate the potential of intracortical electrode array signals for brain-computer interfaces (BCIs) to restore lost speech, we measured the performance of decoders trained to discriminate a comprehensive basis set of 39 English phonemes and to synthesize speech sounds via a neural pattern matching method....

journal_title：Journal of neural engineering

authors： Wilson GH,Stavisky SD,Willett FR,Avansino DT,Kelemen JN,Hochberg LR,Henderson JM,Druckmann S,Shenoy KV

更新日期：2020-11-25 00:00:00