Tutorial 26: Connectivity

[TUTORIAL UNDER DEVELOPMENT: NOT READY FOR PUBLIC USE]

Authors: Francois Tadel, Esther Florin, Sergul Aydore, Syed Ashrafulla, Elizabeth Bock, Sylvain Baillet

During the past few years, the research focus in brain imaging moved from localizing signals precisely in the brain to understanding how different regions interact together. It is now widely accepted that some of the brain functions are not supported by isolated regions but rather by a dense network of nodes interacting in various ways. In order to quantify the amount of information exchanged between regions, experts in signal processing developed metrics to compare signals recorded in these different regions.

These inter-regional measures can help us explore the brain dynamics by understanding if two regions are responding synchroneously to the same task (functional connectivity) or linked by a causal interactions (effective connectivity). This tutorial introduces the measures and the display tools available in Brainstorm to explore this inter-regional connectivity.

Contents

  1. On the hard drive
  2. Additional documentation

On the hard drive

Document the file tags

Document how to extract the connect matrix

How to input your own connect matrix

Additional documentation







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Tutorials/Connectivity (last edited 2015-09-08 19:56:26 by FrancoisTadel)