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Authors: Gianmarco Angius ; Caterina Carboni ; Daniela Loi and Massimo Barbaro

Affiliation: University of Cagliari, Italy

Keyword(s): Neural extracellular recording, Neural Stimulation, Neural signal processing.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Equipment ; Biomedical Instrumentation ; Biomedical Instruments and Devices ; Implantable Electronics

Abstract: A portable neural activity acquisition and stimulation system by means of tfLIFE implantable electrodes has been realized. The detecting circuit provides: a selective filtering made up of a 4th order high pass Multiple Feedback filter (f_ -3dB = 1.1kHz) and a 4th order low pass Multiple Feedback filter (f_ -3dB = 2kHz), a variable gain (24dB - 44dB) and a 16 bit analog to digital conversion. The stimulator allows to generate specific electrical signals through a digital-to-analog converter while stimulation parameters as frequency, duration and intensity are controlled by a digital microcontroller. Simulation results and first experimental results of the interface demonstrate how neural signals of a few of microvolts can be filtered, programmable amplified and digitalized without distortion.

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Paper citation in several formats:
Angius, G.; Carboni, C.; Loi, D. and Barbaro, M. (2010). AN ELECTRONIC INTERFACE FOR NEURAL ACTIVITY RECORDING AND STIMULATION. In Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES; ISBN 978-989-674-017-7; ISSN 2184-4305, SciTePress, pages 211-214. DOI: 10.5220/0002749702110214

@conference{biodevices10,
author={Gianmarco Angius. and Caterina Carboni. and Daniela Loi. and Massimo Barbaro.},
title={AN ELECTRONIC INTERFACE FOR NEURAL ACTIVITY RECORDING AND STIMULATION},
booktitle={Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES},
year={2010},
pages={211-214},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002749702110214},
isbn={978-989-674-017-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES
TI - AN ELECTRONIC INTERFACE FOR NEURAL ACTIVITY RECORDING AND STIMULATION
SN - 978-989-674-017-7
IS - 2184-4305
AU - Angius, G.
AU - Carboni, C.
AU - Loi, D.
AU - Barbaro, M.
PY - 2010
SP - 211
EP - 214
DO - 10.5220/0002749702110214
PB - SciTePress

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