[FieldTrip] group blocks with preprocessed data

[Xavier Vrijdag]

Hello Vera,

If the .mat files contain fieldtrip data structures, you can use ft_appenddata to concatenate them into one data structure. You than can save that data structure into a new .mat file.

Regards,

Xavier

Dr Xavier Vrijdag, MSc PhD

Research fellow
Department of Anaesthesiology │ School of Medicine
Faculty of Medical & Health Sciences │ The University of Auckland
Private Bag 92019 │ Auckland 1142 │ New Zealand

M +64 21 0230 4558
E x.vrijdag at auckland.ac.nz<mailto:x.vrijdag at auckland.ac.nz>

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From: fieldtrip <fieldtrip-bounces at science.ru.nl> on behalf of Barbara Tsogli via fieldtrip <fieldtrip at science.ru.nl>
Reply to: FieldTrip discussion list <fieldtrip at science.ru.nl>
Date: Friday, 11 November 2022 at 8:59 AM
To: "fieldtrip at science.ru.nl" <fieldtrip at science.ru.nl>
Cc: Barbara Tsogli <Barbara.Tsogli at uib.no>
Subject: [FieldTrip] group blocks with preprocessed data

Dear FieltTripers,

I was given some preprocessed EEG data in order to perform a Time-Frequency analysis. The experiment has 3 blocks (or sessions); therefore, for each subject, there are 3 different .mat files (Subj1_Block1.mat, Subj1_Block2.mat, Subj1_Block3.mat). Given that we are not interested to consider the block as a factor in our statistical analysis, is there a way to group the 3 .mat files that represent the 3 blocks? in other words, is there a way to create a mat file that contains the information of the 3 blocks (i.e.: Subj1_Block1to3.mat)?

Thank you for your time in advance,
Vera

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