<div dir="ltr"><div>Hello all,</div><div><br></div><div>I'm super new to fieldtrip and I'm currently trying to write a script to analyze a single subject. </div><div>I have a brain products 32 channel eeg cap with two electrodes that can be used to record eye movement and heart rate. </div><div>In the pre-processing I'm re-referencing the data to avg, I was wondering about these two no-brain electrodes. Should I include them and reference, or remove them, reference and then include them back?? </div><div><br></div><div>I'm sorry if the question is really basic.</div><div>Best,</div><div><span style="background-color:transparent;font-family:Arial;font-size:10.5pt;font-weight:700">Jasmine Pani</span></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span><p dir="ltr" style="line-height:1.656;margin-top:0pt;margin-bottom:0pt"><span style="background-color:transparent;color:rgb(34,34,34);font-family:Arial;font-size:10.5pt;font-weight:700;white-space:pre-wrap">Post-doc</span><br></p><p dir="ltr" style="line-height:1.656;margin-top:0pt;margin-bottom:0pt"><br></p><p dir="ltr" style="line-height:1.656;margin-top:0pt;margin-bottom:0pt"><span style="font-size:11pt;font-family:Georgia;color:rgb(34,34,34);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">UNIVERSITÀ DEGLI STUDI DI FIRENZE</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(34,34,34);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap">Dipartimento di Ingegneria Industriale (DIEF)</span></p><div><span style="font-size:10pt;font-family:Arial;color:rgb(34,34,34);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap"><font face="arial, sans-serif" style="font-size:small;font-weight:400;white-space:normal"><b><span style="background-color:transparent">Biomedical and Robotics Lab (</span></b></font><b style="font-size:small;white-space:normal;font-family:arial,sans-serif">Stanze 344 - 345)</b><br></span></div><div><span style="font-size:10pt;font-family:Arial;color:rgb(34,34,34);background-color:transparent;font-weight:700;vertical-align:baseline;white-space:pre-wrap"><div style="font-family:Arial,Helvetica,sans-serif;font-weight:400;color:rgb(32,33,36);font-size:small;white-space:normal"><font face="arial, sans-serif"><b>Viale Morgagni, 40 </b></font></div><div style="font-family:Arial,Helvetica,sans-serif;font-weight:400;color:rgb(32,33,36);font-size:small;white-space:normal"><font face="arial, sans-serif"><b>50134 Firenze, Italia</b></font></div></span></div></span></div></div></div></div>