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FieldTrip workshop in Göttingen in 2014

FieldTrip workshop in Göttingen in 2014

Where

Room 2.122 Georg-Elias-Müller-Institut für Psychologie Gosslerstrasse 14 D-37073 Göttingen

When

February 8-9, 2014

Who

Lilla Magyari and Nietzsche Lam

The local organizers are Danai Theodosopoulou and Carsten Schmidt

Course program

Saturday 8th February

Session I

  • 10:00 - 10:15 Registration, welcome, opening remarks
  • 10:15 - 11:15 Lecture: An introduction to the MEG/EEG and the FieldTrip toolbox
  • 11:15 - 11:30 Coffee Break
  • 11:30 - 13:30 Hands-on: Initiation to FieldTrip & getting started with EEG data (preprocessing, ERP)
  • 13:30 - 14:45 Lunch

Session II

  • 14:45 - 15:45 Lecture: Fundamentals of neuronal oscillations and synchrony
  • 15:45 - 16:00 Coffee Break
  • 16:00 - 18:00 Hands-on: Time-frequency analysis of power
  • 18:00 - 18:30 Wrap-up-the-day and Summary

Sunday 9th February

Session III

  • 9:00 - 10:15 Lecture: Non-parametric permutation techniques
  • 10:15 - 10:30 Coffee break
  • 10:30 - 12:30 Hands-on: Statistical Analyses
  • 12:30 - 13:45 Lunch

Session IV

  • 13:45 - 14:45 Lecture: Source reconstruction in FieldTrip
  • 14:45 - 15:00 Coffee break
  • 15:00 - 17:00 FieldTrip Playground (bring your own data)
  • 17:00 - 17:30 Wrap-up-the-day and Summary

Installing FieldTrip and preparing for the hands-on sessions

For the hands-on sessions you have to start MATLAB. To ensure that everything runs smooth, we will work with a clean and well-tested version of FieldTrip that is distributed on a USB stick, rather than the older version you might already have installed. Furthermore, the tutorial data will also be distributed on the USB stick.

If you want to download it in advance, please go to https://download.fieldtriptoolbox.org/ and get

  • fieldtrip-20130906.zip
  • Subject01.zip
  • all files in the tutorial/eventrelatedaveraging directory

{% include markup/danger %} Depending on the unzip program you are using (e.g., Winrar), the name of the zip file might also appear as directiory, resulting in path_to_directory/fieldtrip-xxxxxxxx/fieldtrip-xxxxxxxx, i.e. the FieldTrip directory in a FieldTrip directory. Please fix that by moving all files one level up. {% include markup/end %}

After copying all files to your computer and unzipping then, you start MATLAB. To ensure that the right version of FieldTrip is used, and not another version (such as the one included in SPM or EEGLAB), you type in the MATLAB command window

restoredefaultpath
cd path_to_directory/fieldtrip-xxxxxxxx
addpath(pwd)
ft_defaults

{% include markup/danger %} Please do NOT use the graphical path management tool from MATLAB. In this hands-on session we'll manage the path from the command line, but in general you are much better off using a startup.m file than the path GUI.

Please do NOT add FieldTrip with all subdirectories, subdirectories will be added automatically when needed, but only when needed. {% include markup/end %}

The restoredefaultpath command clears your path, keeping only the official MATLAB toolboxes. The addpath(pwd) statement adds the present working directory, i.e. the directory containing the fieldtrip main funcctions. The ft_defaults command ensures that all required subdirectories are added to the path.

If you get the error "can't find the command ft_defaults" you should check the present working directory.

After installing FieldTrip to your path, you change into the data directory

cd path_to_directory/data