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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xilin Liu Subei, B. Milin Zhang Richardson, A.G. Lucas, T.H. Van der Spiegel, J. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Neurosurg., Univ. of Pennsylvania, Philadelphia, PA, USA (Richardson, A.G.; Lucas, T.H.) || Dept. of Bioeng., Univ. of Illinois at Chicago, Chicago, IL, USA (Subei, B.) || Dept. of Electr. & Syst. Eng., Univ. of Pennsylvania, Philadelphia, PA, USA (Xilin Liu; Milin Zhang; Van der Spiegel, J.) |
| Abstract | In this paper, a general purpose wireless Brain-Machine-Brain Interface (BMBI) system is proposed. The system provides all the necessary hardware for a closed-loop sensorimotor neural interface. The system integrates a neural signal analyzer, two neural stimulators with different specifications, multiple body area sensory devices and a user-friendly computer interface. The neural signal analyzer features four channel analog frontend with configurable bandpass filter, gain stage, digitization resolution, and sampling rate. Digital filtering, neural feature extraction, spike detection, sensing-stimulating modulation, and compressed sensing measurement are realized in a central processing unit integrated in the analyzer. Flash memory card is activated for low power operation, compressed sensing recovery verification and/or data backup. An 8-channel stimulator with high driving capability (±10 mA with compliance voltage ±22V), and a 2-channel stimulator for deep brain stimulation are included in the proposed system. Both stimulators are capable of delivering bipolar, biphasic capacitive coupled current pulses in programmable pulse shape, amplitude, width, pulse train frequency and latency. Multi-functional wireless sensor node, including an accelerometer, a temperature sensor, and a general sensor extension port has been designed. Surveillance camera is implemented for the monitoring of the animal's behavior. A userfriendly computer interface is designed to monitor, control and configure all aforementioned devices via wireless link. Wireless closed-loop operation between the sensory devices, neural stimulators, and neural signal analyzer can be configured. Bench test and in vivo experiments are performed to verify the functions and performance of the system. |
| Sponsorship | IEEE Circuits Syst. Soc. |
| Starting Page | 650 |
| Ending Page | 653 |
| File Size | 677939 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781479934324 |
| DOI | 10.1109/ISCAS.2014.6865219 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-01 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless communication Wireless sensor networks Hardware Compressed sensing Graphical user interfaces Current measurement Performance evaluation closed-loop Brain-Machine-Brain Interface (BMBI) neural recording neural stimulation |
| Content Type | Text |
| Resource Type | Article |
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