Simultaneous Recording of Single-Neuron Activities and Broad-Area Intracranial Electroencephalography

Matsuo, Tetsuji; Kawai, Kensuke; Uno, Takeshi; Kunii, Naoto; Miyakawa, Naohisa; Usami, Kenichi; Kawasaki, Keisuke; Hasegawa, Isao; Saito, Nobuhito

doi:10.1227/01.neu.0000430327.48387.e1

Cited by 8 publications

(9 citation statements)

References 30 publications

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“…Usage of frameless stereotactic navigation system now allows the easy and accurate implantation of both types of electrodes simultaneously. 34) …”

Section: Advances In Implantation Procedures Of Intracranial Electrodmentioning

confidence: 99%

“…The mean successful recording rate of single- or multiple-unit activity was 14.8%, which was maintained throughout the entire recording period. 34) …”

Section: Advances In Implantation Procedures Of Intracranial Electrodmentioning

confidence: 99%

“… Simultaneous recording of intracranial EEG and single neuron firing. 34) A: Specifications of the electrode. B: Picture of the electrode.…”

Section: Tablementioning

confidence: 99%

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Epilepsy Surgery: Current Status and Ongoing Challenges

Kawai

2015

Neurol. Med. Chir.(Tokyo)

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This article reviews the current status of surgical treatment of epilepsy and introduces the ongoing challenges. Seizure outcome of resective surgery for focal seizures associated with focal lesions is satisfactory. Particularly for mesial temporal lobe epilepsy, surgical treatment should be considered from the earlier stage of the disease. Meanwhile, surgical outcome in nonlesional extratemporal lobe epilepsy is still to be improved using various approaches. Disconnective surgeries reduce surgical complications of extensive resections while achieving equivalent or better seizure outcomes. Multiple subpial transection is still being modified expecting a better outcome by transection to the vertical cortices along the sulci- and multi-directional transection from a single entry point. Hippocampal transection is expected to preserve memory function while interrupting the abnormal epileptic synchronization. Proper selection or combination of subdural and depth electrodes and a wide-band analysis of electroencephalography may improve the accurate localization of epileptogenic region. Patients for whom curative resective surgery is not indicated because of generalized or bilateral multiple nature of their epilepsies, neuromodulation therapies are options of treatment which palliate their seizures.

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“…Usage of frameless stereotactic navigation system now allows the easy and accurate implantation of both types of electrodes simultaneously. 34) …”

Section: Advances In Implantation Procedures Of Intracranial Electrodmentioning

confidence: 99%

“…The mean successful recording rate of single- or multiple-unit activity was 14.8%, which was maintained throughout the entire recording period. 34) …”

Section: Advances In Implantation Procedures Of Intracranial Electrodmentioning

confidence: 99%

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Epilepsy Surgery: Current Status and Ongoing Challenges

Kawai

2015

Neurol. Med. Chir.(Tokyo)

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“…Temporopolar disconnection represents one surgical option for this entity that achieves seizure cessation without requiring extra repair procedures. covering the lateral surface of the temporal lobe (10,13). Intraoperatively, the mesiobasal electrodes were smoothly inserted without any resistance or hemorrhage ( Figure 2B).…”

Section: Case Reportsmentioning

confidence: 99%

Spontaneous Temporal Pole Encephalocele Presenting with Epilepsy: Report of Two Cases

et al. 2015

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“…Flexible devices are also frequently utilized for electrocorticography (ECoG), a method that uses electrodes placed directly on the exposed surface of the brain [ 26 ]. In the clinics, ECoG is widely used during treatment of patients suffering from epilepsy, whose condition necessitates surgical resection [ 27 – 29 ].…”

Section: Introductionmentioning

confidence: 99%

A Multimodal, SU-8 - Platinum - Polyimide Microelectrode Array for Chronic In Vivo Neurophysiology

et al. 2015

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Utilization of polymers as insulator and bulk materials of microelectrode arrays (MEAs) makes the realization of flexible, biocompatible sensors possible, which are suitable for various neurophysiological experiments such as in vivo detection of local field potential changes on the surface of the neocortex or unit activities within the brain tissue. In this paper the microfabrication of a novel, all-flexible, polymer-based MEA is presented. The device consists of a three dimensional sensor configuration with an implantable depth electrode array and brain surface electrodes, allowing the recording of electrocorticographic (ECoG) signals with laminar ones, simultaneously. In vivo recordings were performed in anesthetized rat brain to test the functionality of the device under both acute and chronic conditions. The ECoG electrodes recorded slow-wave thalamocortical oscillations, while the implanted component provided high quality depth recordings. The implants remained viable for detecting action potentials of individual neurons for at least 15 weeks.

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Simultaneous Recording of Single-Neuron Activities and Broad-Area Intracranial Electroencephalography

Abstract: We achieved simultaneous implantation of microwires, depth electrodes, and broad-area subdural electrodes. Our method enabled simultaneous and stable recording of hippocampal single-neuron activities and multichannel intracranial electroencephalography.

Cited by 8 publications

References 30 publications

Epilepsy Surgery: Current Status and Ongoing Challenges

Epilepsy Surgery: Current Status and Ongoing Challenges

Spontaneous Temporal Pole Encephalocele Presenting with Epilepsy: Report of Two Cases

A Multimodal, SU-8 - Platinum - Polyimide Microelectrode Array for Chronic In Vivo Neurophysiology

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