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Scripts for the CCD-KIT MEG hands-on data analysis workshop

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CCD-KIT MEG Workshop (Wei He & Robert Seymour) - 6th December 2017

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This workshop will guide you through several MEG data analysis steps including: data cleaning, frequency analysis, source analysis and network connectivity. Scripts are written in MATLAB using the Fieldtrip Toolbox.

Contents:

  • Step-0 : set-up
  • Step-1 : read the continuous data, segment into 2 seconds epochs
  • Step-2 : downsample the data to speed up component analysis
  • Step-3 : use ICA in order to identify cardiac and blink components
  • Step-4 : compute the power spectrum
  • Step-5 : compute the forward model
  • Step-6 : source reconstruction
  • Step-7 : create a pseudo-contrast based on a median split of the epoch
  • Step-8 : source reconstruction of the low-high alpha spectral data
  • Step-9 : connectivity analysis
  • Step-10 : network analysis

Slides

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LINK TO SLIDES

Download Fieldtrip here (download 384MB):

ftp://ftp.fieldtriptoolbox.org/pub/fieldtrip/fieldtrip-20171128.zip

Data

A link to the raw MEG data used in the practical will be published soon.

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