Title :
A wireless 64-channel ECoG recording Electronic for implantable monitoring and BCI applications: WIMAGINE
Author :
Charvet, Guillaume ; Foerster, Michael ; Chatalic, G. ; Michea, A. ; Porcherot, Jean ; Bonnet, Stephane ; Filipe, Silvio ; Audebert, P. ; Robinet, S. ; Josselin, V. ; Reverdy, J. ; D´Errico, Raffaele ; Sauter, Fabien ; Mestais, Corinne ; Benabid, Alim Lou
Author_Institution :
CEA/LETI/CLINATEC, Grenoble, France
fDate :
Aug. 28 2012-Sept. 1 2012
Abstract :
A wireless, low power, 64-channel data acquisition system named WIMAGINE has been designed for ElectroCorticoGram (ECoG) recording. This system is based on a custom integrated circuit (ASIC) for amplification and digitization on 64 channels. It allows the RF transmission (in the MICS band) of 32 ECoG recording channels (among 64 channels available) sampled at 1 kHz per channel with a 12-bit resolution. The device is powered wirelessly through an inductive link at 13.56 MHz able to provide 100mW (30mA at 3.3V). This integration is a first step towards an implantable device for brain activity monitoring and Brain-Computer Interface (BCI) applications. The main features of the WIMAGINE platform and its architecture will be presented, as well as its performances and in vivo studies.
Keywords :
application specific integrated circuits; biomedical electrodes; brain-computer interfaces; data acquisition; electroencephalography; medical computing; neurophysiology; prosthetics; 12-bit resolution; 32 ECoG recording channels; BCI applications; EEG recording; RF transmission; WIMAGINE platform; brain activity monitoring; brain-computer interface applications; custom integrated circuit; electrocorticogram recording; electroencephalogram recording; frequency 1 kHz; frequency 13.56 MHz; implantable device; implantable monitoring; low power 64-channel data acquisition system; power 100 mW; voltage 3.3 V; wireless 64-channel ECoG recording; Application specific integrated circuits; Brain computer interfaces; Electric potential; Electrodes; Low pass filters; Radio frequency; Wireless communication; Algorithms; Animals; Brain-Computer Interfaces; Electrodes, Implanted; Electroencephalography; Equipment Design; Humans; Monitoring, Physiologic; Neural Prostheses; Primates; Quadriplegia; Radio Waves; Remote Sensing Technology; Telemetry; Wireless Technology;
Conference_Titel :
Engineering in Medicine and Biology Society (EMBC), 2012 Annual International Conference of the IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-4119-8
Electronic_ISBN :
1557-170X
DOI :
10.1109/EMBC.2012.6346048
