<html><body><div style="color:#000; background-color:#fff; font-family:bookman old style, new york, times, serif;font-size:16px"><div id="yui_3_16_0_1_1438577874348_8728">Dear EEGLAB Members:</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">I have question related to eye blink artifact. I need to know the convenient number of samples that can represent the blink. I have to know that since I am comparing eye blink event to normal EEG data(EEG data without artifacts) by using an automatic way. At first, I used the same sampling rate which is 250 Hz for both the blink and the normal EEG, but later a friend told me that you can not use the same sampling rate and said 20 Hz will be enough,so my questions are:</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">1- Is using 20 Hz sampling rate for the blink means that I can not acquire more than 20 samples per second?</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">2-What is the sampling rate that I should use for eye blink?</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">3-What it means for the blink to have 8-13 Hz rhythm then?</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">4-If I have to down sample the data what is the convenient way to do that ?</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">I will appreciate that if you can also send me sources that can help me about the eye blink behavior.</div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">Thank you in advance </div><div id="yui_3_16_0_1_1438577874348_8728" dir="ltr">Marwa</div></div></body></html>