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541
Perceived timing of cutaneous vibration and intracortical microstimulation of human somatosensory cortex
Published 2022-05-01“…Methods: One person implanted with microelectrode arrays in somatosensory cortex performed reaction time and temporal order judgment (TOJ) tasks. …”
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542
Comparative and Functional Screening of Three Species Traditionally used as Antidepressants: <i>Valeriana officinalis</i> L., <i>Valeriana jatamansi</i> Jones ex Roxb. and <i>Nardo...
Published 2020-08-01“…Roots/rhizomes micromorphology, DNA barcoding and EOs phytochemical characterization were carried out, while biological effects on the nervous system were assessed by acetylcholinesterase (AChE) inhibitory activity and microelectrode arrays (MEA). Nj showed the highest inhibitory activity on AChE (IC<sub>50</sub> 67.15 μg/mL) followed by Vo (IC<sub>50</sub> 127.30 μg/mL) and Vj (IC<sub>50</sub> 246.84 μg/mL). …”
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543
Coupling of in vitro Neocortical-Hippocampal Coculture Bursts Induces Different Spike Rhythms in Individual Networks
Published 2022-05-01“…The network activity of the coculture model was recorded by microelectrode arrays underlying the substrate. Rhythmic bursting was observed in the spontaneous activity and electrical evoked responses. …”
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544
Nanocone-Array-Based Platinum-Iridium Oxide Neural Microelectrodes: Structure, Electrochemistry, Durability and Biocompatibility Study
Published 2022-10-01“…A uniform nanocone-shaped Pt with significant roughness is created via controlling the ratio of NH<sub>4</sub><sup>+</sup> and Pt<sup>4+</sup> ions in the electrolyte, which can be widely applicable for batch production on multichannel flexible microelectrode arrays (fMEAs) and various substrates with different dimensions. …”
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545
Multi-electrode arrays technology for the non-invasive recording of neural signals: a review article
Published 2021-09-01“…One of the techniques for recording the activity of nerve cells is the multi-electrode arrays (MEAs). Microelectrode arrays (MEAs) are usually employed to record electrical signals from electrogenic cells like neurons or cardiomyocytes. …”
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546
A Real-Time Sensing System for Monitoring Neural Network Degeneration in an Alzheimer’s Disease-on-a-Chip Model
Published 2022-05-01“…This system consisted of microelectrode arrays with a multichannel platform and allowed the real-time monitoring of network formation and degeneration by impedance analysis. …”
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547
Zwitterionic Polymer Coated and Aptamer Functionalized Flexible Micro-Electrode Arrays for In Vivo Cocaine Sensing and Electrophysiology
Published 2023-01-01“…Integrated biochemical sensing devices based upon flexible microelectrode arrays (MEA) have emerged as a powerful tool for such purposes; however, MEAs suffer from undesired biofouling and inflammatory reactions, while those with immobilized biologic sensing elements experience additional failures due to biomolecule degradation. …”
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548
Parvalbumin expression and gamma oscillation occurrence increase over time in a neurodevelopmental model of NMDA receptor dysfunction
Published 2018-09-01“…As a functional readout, oscillatory activity induced by the cholinergic agonist carbachol was recorded in cultures kept seven, 13, and 26 DIV using microelectrode arrays. Initial analysis focused on the occurrence of delta, theta, beta and gamma oscillations over genotype, DIV and hippocampal area (CA1, CA3, dentate gyrus (DG)). …”
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549
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550
Spatiotemporally Controlled Cardiac Conduction Block Using High-Frequency Electrical Stimulation
Published 2012“…Methodology/Principal Findings: We investigated the effects of broader amplitude and frequency ranges on the inhibitory effects of extracellular AC stimulation on HL-1 cardiomyocytes cultured on microelectrode arrays, using both sinusoidal and square waveforms. …”
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551
Experimental Traumatic Brain Injury Induces Chronic Glutamatergic Dysfunction in Amygdala Circuitry Known to Regulate Anxiety-Like Behavior
Published 2020-01-01“…Anxiety-like behavior was assessed at 7 and 28 days post-injury (DPI) followed by assessment of real-time glutamate neurotransmission in the basolateral amygdala (BLA) and central nucleus of the amygdala (CeA) using glutamate-selective microelectrode arrays. The expression of anxiety-like behavior at 28 DPI coincided with decreased evoked glutamate release and slower glutamate clearance in the CeA, not BLA. …”
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552
Predicting in vitro single-neuron firing rates upon pharmacological perturbation using Graph Neural Networks
Published 2023-01-01“…In this study, we applied GNNs to a large-scale electrophysiological dataset of rodent primary neuronal networks obtained by means of high-density microelectrode arrays (HD-MEAs). HD-MEAs allow for long-term recording of extracellular spiking activity of individual neurons and networks and enable the extraction of physiologically relevant features at the single-neuron and population level. …”
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553
Toward Standardization of Electrophysiology and Computational Tissue Strain in Rodent Intracortical Microelectrode Models
Published 2020-05-01“…Strain exerted on brain tissue by implanted microelectrode arrays is hypothesized to affect long-term recording performance. …”
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554
Theta and gamma oscillations in the rat hippocampus support the discrimination of object displacement in a recognition memory task
Published 2022-12-01“…Here, we chronically implanted microelectrode arrays in adult male Wistar rats to record network oscillations from DG, CA3, and CA1 of the dorsal hippocampus while animals executed an object recognition task of high and low spatial displacement tests (HD: 108 cm, and LD: 54 cm, respectively). …”
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555
The dual action of glioma-derived exosomes on neuronal activity: synchronization and disruption of synchrony
Published 2022-08-01“…By combining Ca2+ imaging, electrical recordings from single neurons with patch-clamp electrodes, substrate-integrated microelectrode arrays, and immunohistochemistry, we show that synchronization and de-synchronization are caused by the combined effect of (i) the formation of new neuronal branches, associated with a higher expression of Arp3, (ii) the modification of synaptic efficiency, and (iii) a direct action of exosomes on the electrical properties of neurons, more evident at DIV 7–12 when the threshold for spike initiation is significantly reduced. …”
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556
The impact of closed-loop intracortical stimulation on neural activity in brain-injured, anesthetized animals
Published 2022-02-01“…Methods Intracortical microelectrode arrays were implanted in the ipsilesional rostral forelimb area (RFA) to record spike activity and to trigger intracortical microstimulation in the primary somatosensory area (S1) of anaesthetized Long Evans rats. …”
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557
Computational electrochemistry
Published 2012“…Three and four different regimes of transient current versus time can be observed at microelectrode arrays of disc and ring electrodes, accordingly. …”
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558
The electrochemistry of hydrogen sulfide in room temperature ionic liquids
Published 2010“…</li><li>The observation of the diffusion of ferrocene in an ionic liquid at ring-recessed disc microelectrode arrays in generator-collector mode using potential step chronoamperometry.…”
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559
A silk-based self-adaptive flexible opto-electro neural probe
Published 2022-11-01“…Herein, we report a hybrid probe (Silk-Optrode) consisting of a silk protein optical fiber and multiple flexible microelectrode arrays. The Silk-Optrode can be accurately inserted into the brain and perform synchronized optogenetic stimulation and multichannel recording in freely behaving animals. …”
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560
LFP Analysis of Brain Injured Anesthetized Animals Undergoing Closed-Loop Intracortical Stimulation
Published 2022-01-01“…Intracortical microelectrode arrays were implanted in the rostral forelimb area (RFA) and in the primary somatosensory area (S1) of anaesthetized rats. …”
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