Real-time interaction between a neuromorphic electronic circuit and the spinal cord

Ranu Jung, Elizabeth J. Brauer, James J. Abbas

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


We present a novel demonstration of real-time dynamic interaction between an oscillatory spinal cord (isolated lamprey nervous system) and electronic hardware that mimics the spinal motor pattern generating circuitry. The spinal cord and the neuromorphic circuit were interfaced in unidirectional and bidirectional modes. Bidirectional coupling resulted in stable, persistent oscillations. This experimental platform offers a unique paradigm to examine the intrinsic dynamics of neural circuitry. The neuromorphic analog very large scale integration (aVLSI) design and real-time capabilities of this approach may provide a particularly powerful means of restoring complex neuromotor function using neuroprostheses.

Original languageEnglish (US)
Pages (from-to)319-326
Number of pages8
JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering
Issue number3
StatePublished - 2001


  • Analog very large scale integration (aVLSI)
  • Lamprey
  • Locomotor control
  • Neural engineering
  • Neuromorphic design
  • Neuroprostheses
  • Pattern generator
  • Spinal cord

ASJC Scopus subject areas

  • Rehabilitation
  • General Neuroscience
  • Internal Medicine
  • Biomedical Engineering


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