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<TITLE>order of preprocessing steps in ERP analysis</TITLE>
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<P DIR=LTR><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">Dear fieldtrippers,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">I would like to know if some</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">one</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri"> could answer my question.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">In the analysis of ERPs I use some preprocessing steps</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri"> to improve the signal-to-noise ratio</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">;</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri"> down-sampling</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"> <FONT SIZE=4 FACE="Calibri">(from 2000 to 500 Hz)</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"> <FONT SIZE=4 FACE="Calibri">and filtering</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri"> (between 1-30 Hz)</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">What should I do first; down-sampling or filtering,</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"> <FONT SIZE=4 FACE="Calibri">o</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">r doesn’t</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri"> it make any difference</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">?</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"></SPAN></P>
<P DIR=LTR><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">Thanks,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl-nl"></SPAN></P>
<P DIR=LTR><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">Best,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="nl-nl"><FONT SIZE=4 FACE="Calibri">Emanuel van den Broeke</FONT></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="nl"></SPAN><SPAN LANG="nl"></SPAN><SPAN LANG="en-us"></SPAN></P>
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