Abstract
A multiplexed current source architecture for neuroprosthetic purposes is presented. This device uses a penetrating multielectrode array which will be implanted in visual cortex, offering different signal amplitude sets with the programable current source module.This electrode array has been proved for injecting current (charge) in a safety, secure and precise way. This specifity will provide the possibility to adapt the current level to different electrodes impedances and to a particular person characteristics. The control submodule consists in a microprocessor based circuit with programable waveforms which can be configured and an adaptable power stage. With the proposed system, a wide stimuli set can be used for obtaining the optimal parameters to use in a visual neuroprosthesis using as input a retinomorphic system.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Woollons, D.J.: To beat or not to beat: the history and development of heart pacemakers. IEEE Engineering Science and Education Journal 4(6), 259–269 (1995)
Loeb, G.: Cochlear prosthetics. Annual Review in Neuroscience 13, 357–371 (1990)
Medtronic “Deep Brain Stimulation”, http://www.medtronic.com/
North, R.B., Kidd, D.H., Olin, J.C., Sieracki, J.M.: Spinal cord stimulation electrode design: prospective, randomized, controlled trial comparing percutaneous and laminectomy electrodes-part I: technical outcomes. Neurosurgery 51(2), 381–390 (2002)
Schmidt, E.M., Bak, M.J., et al.: Feasibility of a Visual Prosthesis for the Blind Based on Intracortical Stimulation of the Visual Cortex. Brain 119, 507–522 (1996)
Normann, R., Maynard, E., Guillory, K., Warren, D.: Cortical Implants for the Blind. IEEE Spectrum, 54–59 (May 1996)
Campbell, P., Jones, K., Huber, R., Horch, K., Normann, R.: A Silicon-Based, Three-Dimensional Neural Interface:Manufacturing Processes for an Intracortical Electrode Array. IEEE Transactions on Biomedical Engineering, 38(8), 758–767
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2005 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Ferrández, J.M., Bonomini, M.P., Fernández, E. (2005). A Multiplexed Current Source Portable Stimulator Architecture for a Visual Cortical Neuroprosthesis. In: Mira, J., Álvarez, J.R. (eds) Mechanisms, Symbols, and Models Underlying Cognition. IWINAC 2005. Lecture Notes in Computer Science, vol 3561. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11499220_32
Download citation
DOI: https://doi.org/10.1007/11499220_32
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-26298-5
Online ISBN: 978-3-540-31672-5
eBook Packages: Computer ScienceComputer Science (R0)