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It is hard to subtract all muscle components that might interact with
the data at high frequency (because there are a lot of them and
sometimes it is hard to decide if some components represent muscle
activity or not).<br>
The best approach to this might be to study the behavior of the data
itself at high frequency and then study the behavior of a few muscle
components. If the muscle components do not show the same behavior as
the one observed in the raw data at high frequency, I think it is
convincing that what you observe in the data does not arise from muscle
activation.<br>
<br>
Best,<br>
<br>
Arno<br>
<br>
Christian-G. Benar wrote:
<blockquote
cite="midBLECLKHMLFAAHDECKBNCOEDBCJAA.christian.benar@medecine.univ-mrs.fr"
type="cite">
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<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006">dear all, </span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006">I am often working with single-subject
datasets, looking for gamma-band ERSP changes.</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006">I am concerned with the fact that the ERSP
measurement may reflect artifacts present in a few trials; does anyone
has advice on handling artefact rejection in high frequency, and has
anyone tried to use robust statistics (M-estimator, median) as opposed
to the mean power ?</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006">cheers</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006"></span></font> </div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006">Christian</span></font></div>
<div><font color="#0000ff" face="Arial" size="2"><span
class="267491611-07072006"></span></font><font color="#0000ff"
face="Arial" size="2"><span class="267491611-07072006"></span></font> </div>
<div> </div>
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