[Eeglablist] Interpolate 8 channel montage

[Zaeem Hadi]

 Hi Brian,
I have been working with 8 channel dataset. However, I have avoided using the clean_rawdata plugin. The reason being the eye blinks, which are quite high in amplitude and also present in other channels to some degree. And thus clean_rawdata would almost always reject 2 or 3 channels. And interpolating so much data on just 8 channels wouldn't make sense. But if you have relatively clean data, you might be able to use it.
To avoid that, I am using the pop_eegthresh(ALLEEG) function to semi-automatically reject epochs based on amplitude thresholding. For some reason, it is not available through GUI.
That being said, I have interpolated some channels in my data due to excessive noise at the Alpha frequency range, but then I reduced the number of Independent components being determined using 'pca' option in infomax ICA, as suggested by Makoto in his pre-processing pipeline.
Kind Regards,
Zaeem Hadi
Brain and Vestibular GroupImperial College London    On Monday, July 20, 2020, 10:40:00 AM GMT+1, Kavanaugh, Brian <brian_kavanaugh at brown.edu> wrote:  
 
 Hi everyone,

We are hoping to analyze a previously collected dataset that used an 8
channel montage. Does anyone have any experience analyzing such a small
amount of electrodes? We are specifically curious about channel
interpolation options if channels are removed via clean_rawdata. Can we
follow a similar approach that we use for 32/64 channel data? Thanks
everyone!

Brian

-- 
Brian Kavanaugh, PsyD.
Pediatric Neuropsychologist, E. P. Bradley Hospital/Rhode Island Hospital
Assistant Professor (Research), Warren Alpert Medical School of Brown
University
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