<html><div style='background-color:'><DIV class=RTE>Dear Sir,</DIV>
<DIV class=RTE> </DIV>
<DIV class=RTE>I am working with ICA algorithms for removing ocular artifacts from EEG. I have downloaded the data from</DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><A href="http://www.sccn.ucsd.edu/~arno/famzdata/publicly_available_EEG_data.html">http://www.sccn.ucsd.edu/~arno/famzdata/publicly_available_EEG_data.html</A></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"> </SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">EOG interference will be dominant in the EEG recorded from the electrodes placed on the patient’s forehead. Hence, samples from the frontal channels are taken for analysis. I have taken 10 frontal channels and fed that as input to ICA algorithm and from the independent components obtained, ocular artifacts are identified and removed from the original data.</SPAN></SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">My question is,</SPAN></SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Since the recorded signals are assumed to be linear combination of all the source signals, should i take all the 32 channels for my analysis, or is it sufficient to take only 10 frontal channel recordings for my analysis.</SPAN></SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Kindly help me in this regard.</SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">with regards,</SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">Krishnaveni</SPAN></DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN> </DIV>
<DIV class=RTE><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"></SPAN> </DIV></div></html>