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Sciences du comportement
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How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging
Journal JoVE
Sciences du comportement
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Journal JoVE Sciences du comportement
How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging

How to Detect Amygdala Activity with Magnetoencephalography using Source Imaging

DOI:
10.3791/50212-v

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10:48 min

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June 03, 2013

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, , ,
1Department of Psychology,University of Wisconsin-Milwaukee, 2McConnell Brain Imaging Centre,Montreal Neurological Institute, McGill University, 3Department of Neurology,Medical College of Wisconsin

Chapitres

  • 00:05Titre
  • 01:21Magnetoencephalography (MEG) Set-up
  • 02:36Subject Preparation
  • 03:33Record MEG During Training
  • 04:22Preprocess MRI Volume
  • 05:28Preprocess MEG Recordings
  • 06:17Analyze Evoked Responses
  • 07:54Perform Time-frequency Decompositions on ROI
  • 08:31Results: MEG Signals from Subcortical Structures
  • 10:21Conclusion

Summary

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Traduction automatique

This article describes how to record amygdala activity with magnetoencephalography (MEG). In addition this article will describe how to conduct trace fear conditioning without awareness, a task that activates the amygdala. It will cover 3 topics: 1) Designing a trace conditioning paradigm using backward masking to manipulate awareness. 2) Recording brain activity during the task using magnetoencephalography. 3) Using source imaging to recover signal from subcortical structures.

Tags

MagnetoencephalographySource ImagingTrace Fear ConditioningAmygdala ActivityBackward MaskingVisual AwarenessSubcortical Structures

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