[FieldTrip] importing CNT or EDF data into fieldtrip

Anne Urai anne.urai at gmail.com
Sun Jun 7 18:57:51 CEST 2015

Dear Nikola,

SR research provides edf2asc, a command line tool that lets you convert edf files to simple ASCII documents - these can then be read in by fieldtrip's read_eyelink_asc.m. You can download edf2asc here https://www.sr-support.com/showthread.php?17-EDF2ASC-Conversion-Utility (you need an account on SR's website first).


Anne E. Urai, MSc
PhD student | Institut für Neurophysiologie und Pathophysiologie | Universitätsklinikum Hamburg-Eppendorf
Martinistrasse 52, 20246 Hamburg, Germany | http://anneurai.wordpress.com

On 4 Jun 2015 at 14:14:18, Nikola Valchev (nikola.valchev.umcg at gmail.com) wrote:

Dear all,

I have a possibly rather basic question. I want to read my data with fieldtrip but the formats I can use are either EDF or CNT. That means that I do not have a separate file with my coded triggers (EDF format) or I have a small file NAME.trg (CNT format) which contains information which I can’t read.


The question is how can I read my triggers from the EDF file or convert the NAME.trg file into something similar to the NAME.vmrk file which is created when data is in EEG format.


Any hint is very appreciated.


Best regards


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