Accelerated-Stress Reliability Evaluation for an Encapsulated Wireless Cortical Stimulator

Suh, Sungjae ;   Troyk, Philip ;   Hu, Zhe

Tags Neural interfaces - Microelectrode technologySensory neuroprostheses - Signal and vision processing

In preparing a wireless cortical stimulator for use in the Intracortical Visual Prosthesis (ICVP) project at the Illinois Institute of Technology...

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An Implantable, Miniaturized SU-8 Optical Probe for Optogenetics-Based Deep Brain Stimulation

Fan, Bin ;   Kwon, Ki Yong ;   Weber, Arthur ;   Li, Wen

Tags Neural interfaces - Microfabrication technologiesNeural interfaces - Neural microsystems and interface EngineeringNeural interfaces - Implantable systems

This paper reports a method of making optical probes for optogenetics-based deep brain optical stimulation using SU-8, which effectively...

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Applying Time-Sharing Technique in a Multimodal Compact Low-Power CMOS Neurochip for Simultaneous Neurochemical and Action Potential Recording

Poustinchi, Mohammad ;   Musallam, Sam

Tags Neural interfaces - Neural microsystems and interface EngineeringNeural interfaces - Implantable systemsBrain-computer/machine interface

Brain is an electrochemical system and recent studies suggest simultaneous measurement of interrelated brain's electrical and neurochemical...

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Bio-Impedance Characterization Technique with Implantable Neural Stimulator Using Biphasic Current Stimulus

Lo, Yi-Kai ;   Chang, Chih-Wei ;   Liu, Wentai

Tags Neural interfaces - Tissue-electrode interfaceNeural interfaces - Bioelectric sensorsNeural interfaces - Implantable systems

Knowledge of the bio-impedance and its equivalent circuit model at the electrode-electrolyte/tissue interface is important in the application...

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Body Machine Interfaces for Neuromotor Rehabilitation: A Case Study

Pierella, Camilla ;   Abdollahi, Farnaz ;   Farshchiansadegh, Ali ;   Pedersen, Jessica ;   Chen, David ;   Mussa-Ivaldi, Ferdinando ;   Casadio, Maura

Tags Neural interfaces - Body interfacesWearable systems for neurorehabilitationMotor learning, neural control, and neuromuscular systems

High-level spinal cord injury (SCI) survivors face every day two related problems: recovering motor skills and regaining functional...

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Decellular Biological Scaffold Polymerized with PEDOT for Improving Peripheral Nerve Interface Charge Transfer

Frost, Christopher M ;   Shim, Bong Sup ;   Martin, David C ;   Cederna, Paul ;   Urbanchek, Melanie G.

Tags Neural interfaces - Bioelectric sensorsNeural interfaces - BiomaterialsNeuromuscular systems - EMG models

Regenerative peripheral nerve interfaces (RPNIs) are for signal transfer between peripheral nerves inside the body to controllers for...

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Design of a High-Density Multi-Channel Electrode for Multi-Structure Parallel Recordings in Rodents

Ivica, Nedjeljka ;   Tamtè, Martin ;   Ahmed, Maruf ;   Richter, Ulrike ;   Petersson, Per

Tags Neural interfaces - Microelectrode technologyMotor learning, neural control, and neuromuscular systemsNeural signal processing

In neurophysiology, investigating brain connectiv- ity within and between different brain structures is of funda- mental importance for...

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Device for the Implantation of Neural Electrode Arrays

Bredeson, Samuel ;   Troyk, Philip

Tags Neural interfaces - Implantable systemsNeural interfaces - Microelectrode technologyNeural interfaces - Brain stimulation

Electrode arrays used in neural recording and stimulation applications must be implanted carefully to minimize damage to the underlying tissue....

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Diffusion-Bonded Electrodes for Chronic Neural Stimulation

Shah, Kedar ;   Lee, Kye Young ;   Tolosa, Vanessa ;   Tooker, Angela ;   Felix, Sarah ;   Pannu, Satinderpall

Tags Neural interfaces - Microelectrode technologyNeural interfaces - Microfabrication technologiesNeural interfaces - Microsystems

We report a novel method to fabricate chronic neural interfaces with the intent to combine the reliability and lifetime of bulk metal...

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Dynamic Spike Threshold and Nonlinear Dendritic Computation for Coincidence Detection in Neuromorphic Circuits

Hsu, Chih-Chieh ;   Parker, Alice

Tags Neural interfaces - Neuromorphic Engineering

We present an electronic cortical neuron incorporating dynamic spike threshold and active dendritic properties. The circuit is simulated using...

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Effects of Carbon Nanotube and Conducting Polymer Coated Microelectrodes on Single-Unit Recordings in Vitro

Charkhkar, Hamid ;   Knaack, Gretchen ;   Mandal, Himadri ;   Keefer, Edward ;   Pancrazio, Joseph

Tags Neural interfaces - Tissue-electrode interfaceNeural interfaces - Neural microsystems and interface EngineeringNeural interfaces - Microelectrode technology

Neuronal networks cultured on microelectrode arrays (MEAs) have been utilized as biosensors that can detect all or nothing extracellular...

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Fabrication and Electrochemical Comparison of SIROF-AIROF-EIROF Microelectrodes for Neural Interfaces

Kang, Xiao-Yang ;   Liu, Jing-Quan ;   Tian, Hong-Chang ;   Yang, Bin ;   Nuli, Yanna ;   Yang, Chunsheng

Tags Neural interfaces - BiomaterialsNeural interfaces - Microelectrode technologyNeural interfaces - Microfabrication technologies

Iridium oxide has been widely used in neural recording and stimulation due to its good stability and large charge storage capacity (CSC). In...

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KDI: A Wireless Power-Efficient Modular Platform for Pre-Clinical Evaluation of Implantable Neural Recording Designs

Foerster, Michael ;   Burdin, Florent ;   Seignon, Florent ;   Lambert, Aurélien ;   Vasquez, Cesar ;   Charvet, Guillaume

Tags Neural interfaces - Implantable systemsMotor neuroprostheses - ProsthesesWearable systems for neurorehabilitation

This paper presents a power-efficient modular wireless platform which has been designed for prototyping and pre-clinical evaluations of neural...

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Modeling Transcranial Electric Stimulation in Mouse: A High Resolution Finite Element Study

Bernabei, John ;   Lee, Won Hee ;   Peterchev, Angel V

Tags Neural interfaces - Brain stimulationNeurological disorders - Treatment methodologiesClinical neurophysiology - Transcranial magnetic stimulation

Mouse models are widely used in studies of various forms of transcranial electric stimulation (TES). However, there is limited knowledge of the...

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Morphological and Electrochemical Properties of an Explanted PtIr Electrode Array after 15 Months in Vivo

Kohler, Fabian ;   Stieglitz, Thomas ;   Schuettler, Martin

Tags Neural interfaces - Implantable systemsNeural interfaces - Microelectrode technologyNeural interfaces - Neural microsystems and interface Engineering

We investigated the morphological and electrochemical properties of an explanted laser-machined 32 channel electrocorticogram (ECoG)...

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Printable and Transparent Micro-Electrocorticography (µECoG) for Optogenetic Applications

Kimtan, Thaninamon ;   Thupmongkol, Jiyaporn ;   Williams, Justin ;   Thongpang, Sanitta

Tags Neural interfaces - Microfabrication technologiesNeural interfaces - Microelectrode technologyBrain-computer/machine interface

Micro-electrocorticography (µECoG) displays advantages over traditional invasive methods. The µECoG electrode can record neural activity with...

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Simultaneous High-Definition Transcranial Direct Current Stimulation of the Motor Cortex and Motor Imagery

Baxter, Bryan ;   Edelman, Bradley ;   Zhang, Xiaotong ;   Roy, Abhrajeet ;   He, Bin

Tags Neural interfaces - Brain stimulationBrain-computer/machine interfaceMotor learning, neural control, and neuromuscular systems

Transcranial direct current stimulation (tDCS) has been used to affect the excitability of neurons within the cerebral cortex. Improvements...

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Stimulation Strength and Focality of Electroconvulsive Therapy and Magnetic Seizure Therapy in a Realistic Head Model

Lee, Won Hee ;   Lisanby, Sarah ;   Laine, Andrew F. ;   Peterchev, Angel V

Tags Neural interfaces - Brain stimulationNeurological disorders - Treatment methodologiesClinical neurophysiology - Transcranial magnetic stimulation

This study examines the characteristics of the electric field (E-field) induced in the brain by electroconvulsive therapy (ECT) and magnetic...

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Suitability of SU-8, EpoClad and EpoCore for Flexible Waveguides on Implantable Neural Probes

Fiedler, Eva ;   Haas, Nora ;   Stieglitz, Thomas

Tags Neural interfaces - Implantable systemsNeural interfaces - Neural microsystems and interface EngineeringNeural interfaces - Microsystems

In neuroscience optogenetics was established as common research method. However, the devices used for optogenetical stimulation, so called...

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The Effect of Site Placement within Silicon Microelectrodes on the Long-Term Electrophysiological Recordings

Lee, Heui Chang ;   Gaire, Janak ;   McDowell, Sean ;   Otto, Kevin

Tags Neural interfaces - Tissue-electrode interfaceNeural interfaces - BiomaterialsBrain-computer/machine interface

Intracortical microelectrodes can be used to treat various neurological disorders given their capabilities to interface with single or multiple...

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Time-Varying Pulse Trains Limit Retinal Desensitization Caused by Continuous Electrical Stimulation

Davuluri, Navya ;   Weiland, James

Tags Neural interfaces - Implantable systemsSensory neuroprostheses - VisualNeural signal processing

An epiretinal prosthesis aims to restore functional vision in patients suffering from retinal degeneration caused by diseases such as Retinitis...

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Towards a Miniaturized Brain-Machine-Spinal Cord Interface (BMSI) for Restoration of Function after Spinal Cord Injury

Shahdoost, Shahab ;   Frost, Shawn ;   Van Acker, Gustaf ;   DeJong, Stacey ;   Dunham, Caleb ;   Barbay, Scott ;   Nudo, Randolph ;   Mohseni, Pedram

Tags Neural interfaces - MicrosystemsNeural interfaces - Implantable systemsMotor neuroprostheses - Prostheses

Nearly 6 million people in the United States are currently living with paralysis in which 23% of the cases are related to spinal cord injury...

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Voltage-Sensitive Dye Imaging of the Visual Cortices Responding to Electrical Pulses at Different Intervals in Mice in Vivo

Hayashida, Yuki ;   Takeuchi, Kozo ;   Ishikawa, Naohiro ;   Okazaki, Yuka ;   Fehevari, Tamas ;   Tanaka, Hiroki ;   Yagi, Tetsuya

Tags Neural interfaces - Brain stimulationSensory neuroprostheses - VisualBrain functional imaging

Properties of the neural responses to electrical stimulus pulses delivered at various inter-pulse intervals were examined in the visual...

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Wireless Simultaneous Stimulation-And-Recording Device to Train Cortical Circuits in Somatosensory Cortex

Ramshur, John ;   de Jongh Curry, Amy ;   Waters, Robert

Tags Neural interfaces - Brain stimulationBrain-computer/machine interfaceNeurological disorders - Treatment methodologies

We describe for the first time the design, implementation, and testing of a telemetry controlled simultaneous stimulation and recording device...

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