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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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Related Experiment Video

Updated: Jun 6, 2026

Optogenetic Functional MRI
06:06

Optogenetic Functional MRI

Published on: April 19, 2016

Imaging optically induced neural activity in the brain.

Anita Mahadevan-Jansen1, Jonathan M Cayce, Robert Friedman

  • 1Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235 USA.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|November 25, 2010
PubMed
Summary
This summary is machine-generated.

Infrared neural stimulation (INS) successfully activated the central nervous system (CNS) in vivo, generating optical signals comparable to mechanical methods. This breakthrough could enable precise, single-cell neural prosthetics.

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Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Optical Technology

Background:

  • Infrared neural stimulation (INS) is established for peripheral nerves.
  • Translating INS to the central nervous system (CNS) faces anatomical and physiological challenges.
  • Previous CNS stimulation methods lack single-cell precision.

Purpose of the Study:

  • To investigate the feasibility of in vivo infrared neural stimulation (INS) within the CNS.
  • To characterize the optical responses generated by INS in the CNS.
  • To explore the potential for single-cell stimulation in neural prosthetics.

Main Methods:

  • In vivo application of infrared neural stimulation (INS) to the CNS.
  • Imaging of intrinsic optical signals (IOS) elicited by INS.
  • Comparison of INS-induced IOS with those from mechanical stimuli.

Main Results:

  • INS successfully generated intrinsic optical signals in the CNS.
  • The magnitude and shape of INS-induced signals were comparable to mechanical stimuli.
  • Demonstrated feasibility of optical imaging for CNS response to INS.

Conclusions:

  • Infrared neural stimulation (INS) is a viable method for in vivo CNS activation.
  • INS shows promise for precise, single-cell stimulation.
  • This research paves the way for advanced closed-loop neural prosthetics.