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Related Experiment Video

Updated: May 25, 2026

Construction of Microdrive Arrays for Chronic Neural Recordings in Awake Behaving Mice
10:44

Construction of Microdrive Arrays for Chronic Neural Recordings in Awake Behaving Mice

Published on: July 5, 2013

Chronically implanted hyperdrive for cortical recording and optogenetic control in behaving mice.

Joshua H Siegle1, Marie Carlen, Konstantinos Meletis

  • 1Department of Brain and Cognitive Science Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. jsiegle@mit.edu

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|January 19, 2012
PubMed
Summary

Researchers developed a novel "hyperdrive" device for simultaneous neural recordings and optical stimulation. This technology enables precise control over neural circuits, advancing optogenetic research and understanding brain activity.

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Area of Science:

  • Neuroscience
  • Biotechnology
  • Electrophysiology

Background:

  • Optogenetics, using light-sensitive proteins, offers precise neural circuit control.
  • Integrating optical stimulation with traditional electrophysiology is crucial for advancing neuroscience tools.
  • Existing methods may lack the capability for simultaneous, targeted neural manipulation and recording.

Purpose of the Study:

  • To design and construct a novel device for combined electrophysiological recording and optical stimulation.
  • To demonstrate the efficacy of the device in controlling neural activity using optogenetics.
  • To investigate the interplay between optogenetically induced neural inhibition and physiological/behavioral states.

Main Methods:

  • Development of a "hyperdrive" device integrating independently movable microelectrodes with a stationary optical fiber.
  • Utilizing optogenetics for inhibitory neural recruitment in targeted cell populations.
  • Simultaneous electrophysiological recording and videographic monitoring to assess neural and behavioral states.

Main Results:

  • Successful demonstration of simultaneous electrical recording and optical stimulation.
  • Evidence of effective inhibitory neural recruitment via optical stimulation.
  • Characterization of the interaction between optogenetic manipulation and ongoing neural/behavioral activity.

Conclusions:

  • The developed "hyperdrive" is an effective tool for advanced neuroscience research.
  • This technology facilitates the study of neural circuit function with unprecedented precision.
  • The findings highlight the potential of combined electrophysiology and optogenetics for understanding brain dynamics.