Microfabricated cortical neuroprostheses
著者
書誌事項
Microfabricated cortical neuroprostheses
（Engineering sciences, . Micro- and nanotechnology）
EPFL Press , CRC Press, c2010
- : EPFL Press
- : CRC Press
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
The use of neural implants for stimulation and recording show excellent promise in restoring certain functions to the central nervous system; and neuroprostheses remains one of the most important tools of neuroscientists for the elucidation of the brain's function. Ailments such as Parkinson's disease, obesity, blindness, and epilepsy are being studied from this angle. Development of better electrodes for recording and stimulation is therefore critical to ensure continuing progress in this field.
This book addresses one of the main clinical complications with the use of electrodes, namely the reaction of the neurological tissue in the immediate vicinity of an implanted device. The authors describe new techniques for assessing this phenomenon, as well as new microfabrication techniques to impede the inflammatory response of the brain. Inflammation can adversely effect these devices, limiting their lifetime and reducing their effectiveness. The measurement protocols and improved fabrication protocols described within these pages will become standard tools in the future of neuroprostheses.
The author holds two U.S. patents on microassembly and is also a Review Editor for Frontiers in Neuroengineering.
目次
Introduction
Scope
Problem Statement: The Tissue Reaction to Implanted Neuroprostheses
The Initial Response
The Sustained Response
Effect of Tissue Reaction on Recording and Stimulation
Tissue Reaction Reduction Methods
Literature Review
Thin-Film Microelectrode Technology
Electrical Impedance Spectroscopy
Controlled Release Polymers
Technology Position With Respect to State of the Art
Research Objectives
Limitations
Structure
References
Microfabrication Techniques for Neuroprostheses
Introduction
Microelectrode Arrays
Microfabrication Techniques
Device Packaging
Electrical Characterization
Microfluidic Channels
Device Results
Conclusion
Neural Recording and Stimulation
Introduction
The Neurophysiological Basis of Recording
Detection of Biopotentials
Scaling of Electrodes and Noise
The Neurophysiological Basis of Stimulation
Applications of Neural Recording
The Somatosensory Cortex
Chronic Hippocampus Recordings
Chronic Auditory Cortex Recordings
Applications of Neural Stimulation
Cochlear and Modiolus Stimulation
Retinal Stimulation
Conclusion
References
in vivo Electrical Impedance Spectroscopy
Introduction
Materials and Methods
Implantable Microelectrode Array Fabrication
Electrode-Tissue Interface Modelling
Peak Resistance Frequency Method Simulation
Animal Implantation Procedure
in vivo Electrical Impedance Spectroscopy
Histology
Results
in vivo Electrical Impedance Spectroscopy
Histology
Discussion
Conclusion
References
Controlled Release Drug Coatings
Introduction
Materials and Methods
Microelectrode Array Fabrication
Nanoparticle-PEO Coating Synthesis
Implantation
in vivo Impedance Measurements
Histology
Results
Nanoparticle-PEO Coating Synthesis
in vivo Impedance Comparison
Qualitative Histological Comparison
Discussion
Conclusion
References
Conclusion
Summary of Main Results
Significance of Contribution to Knowledge
Future Perspectives
References
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