A VLSI neural monitoring system with ultra-wideband telemetry for awake behaving subjects

Elliot Greenwald; Mohsen Mollazadeh; Charles Hu; Wei Tang; Eugenio Culurciello; Nitish Thakor

doi:10.1109/TBCAS.2011.2141670

A VLSI neural monitoring system with ultra-wideband telemetry for awake behaving subjects

Elliot Greenwald, Mohsen Mollazadeh, Charles Hu, Wei Tang, Eugenio Culurciello, Nitish Thakor

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

44 Citations (Scopus)

Abstract

Long-term monitoring of neuronal activity in awake behaving subjects can provide fundamental information about brain dynamics for neuroscience and neuroengineering applications. Here, we present a miniature, lightweight, and low-power recording system for monitoring neural activity in awake behaving animals. The system integrates two custom designed very-large-scale integrated chips, a neural interface module fabricated in 0.5 \mum complementary metaloxide semiconductor technology and an ultra-wideband transmitter module fabricated in a 0.5 \mu m silicon-on-sapphire (SOS) technology. The system amplifies, filters, digitizes, and transmits 16 channels of neural data at a rate of 1 Mb/s. The entire system, which includes the VLSI circuits, a digital interface board, a battery, and a custom housing, is small and lightweight (24 g) and, thus, can be chronically mounted on small animals. The system consumes 4.8 mA and records continuously for up to 40 h powered by a 3.7-V, 200-mAh rechargeable lithium-ion battery. Experimental benchtop characterizations as well as in vivo multichannel neural recordings from awake behaving rats are presented here. © 2011 IEEE.

Original language	English
Article number	5759105
Pages (from-to)	112-119
Journal	IEEE Transactions on Biomedical Circuits and Systems
Volume	5
Issue number	2
DOIs	https://doi.org/10.1109/TBCAS.2011.2141670
Publication status	Published - Apr 2011
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

Research Keywords

Biopotential amplifier
digital telemetry
electrocorticogram
electroencephalogram
headmounted systems
local field potentials
micropower instrumentation
neural interface
ultra-wideband telemetry
wireless neural recording

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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abstract = "Long-term monitoring of neuronal activity in awake behaving subjects can provide fundamental information about brain dynamics for neuroscience and neuroengineering applications. Here, we present a miniature, lightweight, and low-power recording system for monitoring neural activity in awake behaving animals. The system integrates two custom designed very-large-scale integrated chips, a neural interface module fabricated in 0.5 \mum complementary metaloxide semiconductor technology and an ultra-wideband transmitter module fabricated in a 0.5 \mu m silicon-on-sapphire (SOS) technology. The system amplifies, filters, digitizes, and transmits 16 channels of neural data at a rate of 1 Mb/s. The entire system, which includes the VLSI circuits, a digital interface board, a battery, and a custom housing, is small and lightweight (24 g) and, thus, can be chronically mounted on small animals. The system consumes 4.8 mA and records continuously for up to 40 h powered by a 3.7-V, 200-mAh rechargeable lithium-ion battery. Experimental benchtop characterizations as well as in vivo multichannel neural recordings from awake behaving rats are presented here. {\textcopyright} 2011 IEEE.",

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A VLSI neural monitoring system with ultra-wideband telemetry for awake behaving subjects

Abstract

Bibliographical note

Research Keywords

UN SDGs

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