[Eeglablist] Reading .mat file to EEGLAB

[Delorme, Arnaud]

Matlab files can contain all kinds of format. You may look at the tutorial about how to import Matlab files

https://sccn.ucsd.edu/wiki/A01:_Importing_Continuous_and_Epoched_Data#Importing_a_Matlab_array_or_file

Best wishes,

Arno

> On Jul 30, 2020, at 8:59 AM, Makoto Miyakoshi <mmiyakoshi at ucsd.edu> wrote:
> 
> Dear Hanna,
> 
>> which is saved as .mat file.
> 
> How was the .mat files saved? What application generated the saved file?
> 
> Makoto
> 
> On Tue, Jul 21, 2020 at 9:11 AM Poikonen Hanna <hanna.poikonen at gess.ethz.ch>
> wrote:
> 
>> Hi all,
>> 
>> I have a simple question I didn't find the correct EEGLAB command for.
>> 
>> I’m trying to read in EEG data to EEGLAB (v2019.1 in MATLAB version
>> R2019b) which is saved as .mat file. Previously, I’ve used successfully the
>> command pop_biosig to read in .bdf files with a older version of the EEGLAB
>> but it seems not to work with .mat files (below you can see the error
>> message). Which command shall I use? I need to read the EEG data from the
>> .mat files into EEGLAB to be able to re-reference, bandpass filter to later
>> form .set and .study files.
>> 
>> 
>> Best regards,
>> 
>> Dr. Hanna Poikonen
>> Postdoctoral researcher
>> Professorship of Learning Sciences and Higher Education, ETH Zurich
>> 
>> 
>> 
>> For the .mat file, I get the following error message:
>> 
>> Command:
>> EEG = pop_biosig([ctrlpth condi '_Control' num2str(subj)
>> '_WholeStimulusData.mat'], ...
>>    'channels', [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16], ...
>>    'ref', [1 2 3 4 5 6 7 8 9 10 11 12]);
>> 
>> Error message:
>> Warning: File: sopen.m Line: 8447 Column: 87
>> Unrecognized pragma "%#26".
>>> In pop_biosig>readfile (line 238)
>>  In pop_biosig (line 165)
>>  In esikasittely_05_100Hz_LIVELab (line 87)
>> Reference to non-existent field 'brainvision'.
>> 
>> Error in sopen (line 6515)
>>        elseif flag.brainvision,
>> 
>> Error in pop_biosig>readfile (line 238)
>> dat = sopen(filename, 'r', channels,'OVERFLOWDETECTION:OFF');
>> 
>> Error in pop_biosig (line 165)
>> [dat DAT interval] = readfile(filename, g.channels, g.blockrange,
>> g.memorymapped);
>> 
>> Error in esikasittely_05_100Hz_LIVELab (line 87)
>>        EEG = pop_biosig([ctrlpth condi '_Control' num2str(subj)
>> '_WholeStimulusData.mat'], ...
>> 
>> 
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