[Eeglablist] How can I quantify data in EEGlab ?

Simon-Shlomo Poil poil.simonshlomo at gmail.com
Wed Jul 1 16:42:14 PDT 2015

Dear Imtiaz,

You can quantify the EEG using a NBT toolbox (see www.nbtwiki.net), which
is also a plugin to EEGLAB. The NBT toolbox offers several ways of
quantifying the EEG in both the spatial, temporal and spectral domain, you
can also easily add your own algorithms.

Best wishes, and good luck with your research

Simon-Shlomo Poil, Dr.
LinkedIn profile: http://ch.linkedin.com/in/simonshlomopoil/

Need help with your EEG analysis? Outsource your EEG analysis to NBT
Analytics: http://l.nbtwiki.net/1FrE4if

The Neurophysiological Biomarker Toolbox (NBT): http://www.nbtwiki.net

My latest publications:
Subcortical Glutamate Mediates the Reduction of Short-Range Functional
Connectivity with Age in a Developmental Cohort:

Integrative EEG biomarkers predict progression to Alzheimer's disease at
the MCI stage: http://l.nbtwiki.net/19jMuy8

2015-06-29 23:42 GMT+02:00 Stephen Politzer-Ahles <spa268 at nyu.edu>:

>    Hello Imtiaz,
>  The data are in the field EEG.data; for instance, if you have epoched
> data for one participant then this field is a 3-dimensional matrix
> (channels x samples x trials). You can work directly with the raw numbers
> any way you see fit (for example, choosing a time window and a subset of
> trials to average over if you want to statistically analyze mean
> amplitudes), directly in MATLAB or after exporting them into e.g. Excel or
> something like that; you can check the book by Luck (2005/2012) for a more
> detailed discussion and recommendations about how to quantify ERP waveforms.
>  If you're working with multi-subject STUDY data and/or spectral data as
> well as spatiotemporal data, the underlying logic is similar---you can
> extract the numbers from the appropriate field of the MATLAB structure and
> manipulate them however you need.
>  I believe the ERPLAB toolbox and similar add-ons also provide a lot of
> built-in functions for data quantification, which you could explore.
>  Best,
>  Steve
>  Stephen Politzer-Ahles
> New York University, Abu Dhabi
> Neuroscience of Language Lab
> http://www.nyu.edu/projects/politzer-ahles/
> On Mon, Jun 29, 2015 at 3:11 PM, Imtiaz SA <imtiaz1877 at gmail.com> wrote:
>> Hello everyone,
>>  I am new to eeglab and need to know if I can quantify eeg data. I can
>> see it generates scalp distribution maps and spectra but can I get actual
>> number data for those graphs? If yes, how?
>>  --
>> Thanks and regards,
>> *Imtiaz*
>> PhD Student
>> Department of Computer Science
>> The University of Texas at San Antonio
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