• Publications
  • Influence
A low-power low-noise CMOS amplifier for neural recording applications
TLDR
We propose a novel bioamplifier that uses a MOS-bipolar pseudoresistor element to amplify low-frequency signals down to the millihertz range while rejecting large dc offsets. Expand
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A low-power, low-noise CMOS amplifier for neural recording applications
  • R. Harrison
  • Engineering, Computer Science
  • IEEE International Symposium on Circuits and…
  • 7 August 2002
TLDR
We propose a novel bioamplifier that uses a MOS-bipolar pseudo-resistor to amplify signals down to the mHz range while rejecting large dc offsets. Expand
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  • 41
  • PDF
The Design of Integrated Circuits to Observe Brain Activity
  • R. Harrison
  • Engineering, Computer Science
  • Proceedings of the IEEE
  • 17 June 2008
TLDR
The ability to monitor the simultaneous electrical activity of multiple neurons in the brain enables a wide range of scientific and clinical endeavors. Expand
  • 279
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Multiplexed, High Density Electrophysiology with Nanofabricated Neural Probes
Extracellular electrode arrays can reveal the neuronal network correlates of behavior with single-cell, single-spike, and sub-millisecond resolution. However, implantable electrodes are inherentlyExpand
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  • 16
  • PDF
A low-power integrated circuit for adaptive detection of action potentials in noisy signals
  • R. Harrison
  • Engineering
  • Proceedings of the 25th Annual International…
  • 2003
TLDR
The advent of microelectrode arrays allowing for the simultaneous recording of 100 or more neurons is leading to significant advances in science and medicine. Expand
  • 132
  • 14
  • PDF
Designing Efficient Inductive Power Links for Implantable Devices
  • R. Harrison
  • Engineering, Computer Science
  • IEEE International Symposium on Circuits and…
  • 27 May 2007
TLDR
We introduce a new, complete expression for total power link efficiency for planar spiral "pancake" coils at low RF frequencies (100 kHz -10 MHz). Expand
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  • PDF
A Versatile Integrated Circuit for the Acquisition of Biopotentials
  • R. Harrison
  • Engineering, Computer Science
  • IEEE Custom Integrated Circuits Conference
  • 1 September 2007
TLDR
We have developed a versatile front-end integrated circuit that can be used to amplify many types of bioelectrical signals. Expand
  • 132
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  • PDF
Statistics of the Electrosensory Input in the Freely Swimming Weakly Electric Fish Apteronotus leptorhynchus
The neural computations underlying sensory-guided behaviors can best be understood in view of the sensory stimuli to be processed under natural conditions. This input is often actively shaped by theExpand
  • 59
  • 9
Multiplexing of Motor Information in the Discharge of a Collision Detecting Neuron during Escape Behaviors
Locusts possess an identified neuron, the descending contralateral movement detector (DCMD), conveying visual information about impending collision from the brain to thoracic motor centers. We builtExpand
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Micropower circuits for bidirectional wireless telemetry in neural recording applications
TLDR
We have developed micropower integrated circuits for recovering clock and data signals over a transcutaneous power link. Expand
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