[Eeglablist] EEGLAB Orientation

[Arnaud Delorme]

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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