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A Novel Approach for Documenting Phosphenes Induced by Transcranial Magnetic Stimulation
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JoVE Journal Neuroscience
A Novel Approach for Documenting Phosphenes Induced by Transcranial Magnetic Stimulation

A Novel Approach for Documenting Phosphenes Induced by Transcranial Magnetic Stimulation

DOI:
10.3791/1762-v

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07:29 min

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April 01, 2010

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, , , ,
1Department of Anatomy and Neurobiology,Boston University School of Medicine, 2Department of Neurology,Beth Israel Deaconess Med Center, 3Centre de Recherche de l’institut du Cerveau et la Moelle Epinière (CRICM),Centre National de la Recherche Scientifique (CNRS)

Chapters

  • 00:00Title
  • 01:40Introduction
  • 02:15Inducing a Phosphene with Stimulation to the Right Occipital Lobe
  • 04:04Obtaining a Phosphene Threshold Value for the Right Occipital Lobe
  • 05:07Using the Laser Tracking and Painting (LTaP) System for Determining the Size and Location of Phosphenes at Various Fixation Points
  • 06:23Representative LTaP Results
  • 06:57Conclusion

Summary

Automatic Translation

Automatic Translation

Phosphenes are transient percepts of light that can be induced by applying Transcranial Magnetic Stimulation (TMS) to visually sensitive regions of cortex. We demonstrate a standard protocol for determining the phosphene threshold value and introduce a novel method for quantifying and analyzing perceived phosphenes.

Tags

PhosphenesTranscranial Magnetic StimulationVisual CortexPhosphene ThresholdCortical ExcitabilityCortico-cortical InteractionsFunctional OrganizationSusceptibility To PathologyVisual ProcessingDocumentationAnalysisLaser Tracking And Painting System (LTaP)

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