[Eeglablist] EEGLAB Orientation
Makoto Miyakoshi
mmiyakoshi at ucsd.edu
Mon Nov 25 12:25:36 PST 2024
Hi Arno and all
Thanks for your input.
I recommend people posted here try that plugin and tell me what it does.
eegfiltnew() and fir_filt() are close enough, if you just
need band-specific powers.
Makoto
On Sun, Nov 24, 2024 at 12:43 AM Arnaud Delorme via eeglablist <
eeglablist at sccn.ucsd.edu> wrote:
> For extracting brainwaves at specific frequencies, I would advise using
> the eegstats EEGLAB plugin.
>
> Best wishes,
>
> Arno
>
> > On Nov 22, 2024, at 22:09, Meha Fatima via eeglablist <
> eeglablist at sccn.ucsd.edu> wrote:
> >
> > Hi. Thank you for this opportunity. I'd like to join in, too. Can you
> > please share the Zoom link?
> >
> > On Fri, 22 Nov 2024 at 23:34, Makoto Miyakoshi via eeglablist <
> > eeglablist at sccn.ucsd.edu> wrote:
> >
> >> Hi Devvarta,
> >>
> >>> Could you please open this zoom session for others as well?
> >>
> >> Sure, gather as many participants as you want and let them ask as many
> >> questions as necessary.
> >> I'll be available after 7:00 am in New York time (EST) which is 5:30 pm
> in
> >> Bangalore. I prefer it in the morning rather than the evening/night.
> >>
> >> I notice that there has been a large and constant need for extracting
> EEG
> >> power using EEGLAB, which is only partially supported by GUI.
> >> After our discussion, maybe I can summarize the requested
> functionalities
> >> into a solution in the form of EEGLAB plugin. It should be pretty easy.
> >> What I want to know is the type of output format you need most. Is it
> ascii
> >> or Excel? Do you want a result in linear scale (microV^2) or in dB? Do
> you
> >> want a mean power within a frequency band (with SD across sliding
> windows)
> >> or full freq bin resolution (which is already available in EEGLAB
> spectopo)
> >> etc..
> >>
> >> I like the idea of robust PSD proposed by Melman and Victor (2016) so
> that
> >> you do not need to worry too much about data cleaning.
> >>
> >>
> https://urldefense.com/v3/__https://pmc.ncbi.nlm.nih.gov/articles/PMC4903894/__;!!Mih3wA!Hc_qvUxHKj94lakBpoAoDLDmyqzks4elWCUSSecAgiLfWsompHx83bc4_GJA8f1FYPh9Rceqb8iycYCC-UFVaSR4uL8$
> >> I have long thought that the averaging process in Welch's method should
> be
> >> replaced with median because EEG recordings can contain pretty bad
> >> outliers. At least, outcomes from Welch's method by mean and median can
> be
> >> compared to evaluate the window-mean PSD's deviation from the
> window-median
> >> PSD.
> >>
> >> Grace, if this selection of time does not work for you, we can set a
> >> separate Zoom meeting. Tell me what time zone you are in.
> >>
> >> Makoto
> >>
> >>
> >> On Fri, Nov 22, 2024 at 3:42 AM Devvarta Kumar <
> devvarta.k at nimhans.ac.in>
> >> wrote:
> >>
> >>> Hi Mokoto
> >>> I assume many of us would be interested in understanding the process of
> >>> calculating power in different bands in raw EEG. Could you please open
> >> this
> >>> zoom session for others as well?
> >>> Regards
> >>>
> >>> Devvarta Kumar, Ph.D.
> >>>
> >>> Professor
> >>> Department of Clinical Psychology
> >>> M. V. Govindaswamy Building
> >>> National Institute of Mental Health and Neurosciences,
> >>> Hosur Road,
> >>> Bangalore,
> >>> Karnataka-560029
> >>> India
> >>>
> >>> Ph: +91-80-26995188
> >>>
> >>>
> >>
> https://urldefense.com/v3/__http://www.nimhans.ac.in/users/dr-devvarta-kumar__;!!Mih3wA!E8Vsq9Vu8Q4ZAl8UIb5elP9m72UAtG-_h15RsH4N7qURhjnEctf1NKia1NpntFgQlL_UtZbHh_sQjnDjaxBj7B3Oazg$
> >>>
> >>> ResearchGate:
> >>>
> >>
> https://urldefense.com/v3/__https://www.researchgate.net/profile/Devvarta_Kumar/contributions__;!!Mih3wA!E8Vsq9Vu8Q4ZAl8UIb5elP9m72UAtG-_h15RsH4N7qURhjnEctf1NKia1NpntFgQlL_UtZbHh_sQjnDjaxBj8leJO1o$
> >>>
> >>> ----- Original Message -----
> >>> From: eeglablist at sccn.ucsd.edu
> >>> To: eeglablist at sccn.ucsd.edu
> >>> Sent: Friday, November 22, 2024 1:51:05 AM
> >>> Subject: Re: [Eeglablist] EEGLAB Orientation
> >>>
> >>> Hi Grace,
> >>>
> >>> If your group wants to Zoom with me, I'll be available. Which time zone
> >> are
> >>> you in?
> >>>
> >>> Makoto
> >>>
> >>> On Thu, Nov 21, 2024 at 2:50 PM Grace Bang via eeglablist <
> >>> eeglablist at sccn.ucsd.edu> wrote:
> >>>
> >>>> Hello!
> >>>>
> >>>> We are 3rd year medical students trying to conduct research where we
> >>>> collect brain wave activity data using the CGX Patch 2-channel EEG.
> >> We've
> >>>> been having a lot of issues trying to navigate how to use EEGLAB to
> >>> process
> >>>> the data. We just want to be able to quantify the number of alpha and
> >>> beta
> >>>> waves present in the raw data. The resources we've read online have
> >> been
> >>>> somewhat helpful, but we are looking for someone who can jump on a
> >>>> Zoom/phone call to help fill some gaps of knowledge. Neither of us
> >> have a
> >>>> background in more complicated softwares/coding/EEGs so any guidance
> >>> would
> >>>> be greatly appreciated!
> >>>>
> >>>> - Grace Bang, OMS-3
> >>>> _______________________________________________
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> >
> >
> > --
> >
> > * Dr. Meha Fatima BSMT, Ph.D.*
> > Assistant Professor
> > Dow Institute of Medical
> Technology
> > Dow University of Health Sciences
> > *mehafatima1 at gmail.com
> > <mehafatima1 at gmail.com>.*
> > _______________________________________________
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>
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