g that phase channel were removed as bad channels, or if a set of channels were asked to be removed since the start of the preprocessing phase; </li>
</ul>
<p>9) Rereferencing phase</p>
<ul>
<li><strong>standard_ref (&#39;char&#39;)</strong>: the new reference to use during rereferencing. Must be a char array. Allowed inputs are &#39;COMMON&#39; or any other specific EEG channel name available in the 10_X or GSN_X systems. Default is &#39;COMMON&#39;.&quot;</li>
</ul>
<p>10) IC decomposition</p>
<ul>
<li><s