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Related Experiment Video

Updated: Jun 8, 2026

Real-time Electrophysiology: Using Closed-loop Protocols to Probe Neuronal Dynamics and Beyond
08:08

Real-time Electrophysiology: Using Closed-loop Protocols to Probe Neuronal Dynamics and Beyond

Published on: June 24, 2015

Closed-loop, open-source electrophysiology.

John D Rolston1, Robert E Gross, Steve M Potter

  • 1Laboratory for Neuroengineering, Georgia Institute of Technology and Emory University School of Medicine Atlanta, GA, USA.

Frontiers in Neuroscience
|September 23, 2010
PubMed
Summary
This summary is machine-generated.

NeuroRighter enables bidirectional control of neural activity using multi-electrode arrays (MEAs) for real-time recording and stimulation. This open-source system facilitates closed-loop applications in freely moving animals, advancing neuroscience research and clinical treatments.

Keywords:
artifactclosed-loopepilepsymulti-electrode arraystimulation

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Electrophysiology

Background:

  • Multi-electrode arrays (MEAs) record neural signals and deliver electrical stimulation, offering bidirectional communication with neuronal networks.
  • Current commercial systems lack integrated closed-loop capabilities, particularly for freely moving subjects.
  • Real-time feedback stimulation holds potential for modulating neural activity, inducing plasticity, and providing artificial sensory input.

Purpose of the Study:

  • To develop an open-source system for bidirectional multi-electrode recording and stimulation.
  • To enable closed-loop control of neural activity in freely moving animals.
  • To address the limitations of existing electrophysiology systems in exploiting MEAs' full potential.

Main Methods:

  • Developed NeuroRighter, an integrated open-source system with recording and stimulation hardware.
  • Implemented control software with a graphical user interface for real-time operation.
  • Demonstrated simultaneous multi-electrode recording and patterned microstimulation triggered by recorded neural activity.

Main Results:

  • The NeuroRighter system achieves multi-electrode recording and simultaneous patterned microstimulation with minimal artifact.
  • The system successfully demonstrated closed-loop control by triggering targeted stimulation based on recorded epileptic activity in rodents.
  • The open-source nature facilitates broader adoption and development of closed-loop neuroscience tools.

Conclusions:

  • NeuroRighter provides a novel tool for bidirectional neural interfacing, overcoming limitations of current commercial systems.
  • The system's closed-loop capabilities open new avenues for research into neural function and dysfunction.
  • Applications range from advanced research tools to potential clinical interventions for neurological disorders.