[Eeglablist] Question on EEGLAB tutorial

[Venkatesh Rajagopalan]

Hi All,



I am new to EEG. I am going through your EEGLAB tutorial. I working on one of the sample data sets provided with the EEGLAB. The tutorial is good, but I am unable to understand under what circumstances one has to perform a certain set of steps and how to choose the thresholds etc. In specific



I am unable to find clear instructions for how to clean the data. For instance it will be helpful for me to have a data with an artifact and if the tutorial could show how their routine for example what will be the result when you do the step "Rejecting improbable data" on that artifact or how the step is used to reject an artifacts and what kinds of artifacts can be rejected and what cannot be rejected. Similarly how to choose a threshold for "Rejecting abnormal trends" and how different thresholds affect the data etc.



To me for a beginner the tutorial is very vague. Any suggestions to me regarding how I can first understand/determine what kind of preocessing steps is necessary for my data set or the sample data set that you have supplied with the software.



Any help will be greatly appreciated.



Thanks

Venkat

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