[Eeglablist] Comparing erpImage between conditions/subjects and in Group level

Wed Jul 24 17:51:42 PDT 2013

Dear Iman,

I've never seen the RT plot option in the study erpimage. Probably that's
not supported yet (I haven't checked it extensively though).

Makoto

2013/7/24 Iman M.Rezazadeh <irezazadeh at ucdavis.edu>

> Dear Makoto and EEGLabers,****
>
> I have tried ERPIMAGE using STUDY. But I could not get the Reaction Time
> Graph overlaid on the group level ERPIMAGE. Do you have any thought?****
>
> Iman****
>
> ** **
>
> *From:* Makoto Miyakoshi [mailto:mmiyakoshi at ucsd.edu]
> *Sent:* Monday, July 15, 2013 10:31 AM
> *To:* Iman M.Rezazadeh
> *Cc:* Arnaud Delorme; EEGLAB List
> *Subject:* Re: Comparing erpImage between conditions/subjects and in
> Group level****
>
> ** **
>
> Dear Iman,****
>
> ** **
>
> It seems there is no detailed document for study_erpimage yet. However,
> you can learn the basic concept of erpimage at
> http://sccn.ucsd.edu/wiki/Chapter_08:_Plotting_ERP_images.****
>
> ** **
>
> Performing group-level comparisons and statistics can be done by using
> STUDY.design. When you create your STUDY, include group in one of two
> experimental conditions.****
>
> ** **
>
> I don't know much about erpimage statistics, but I guess it should work
> just as stats for ersp and itc works (across conditions).****
>
> ** **
>
> When you precompute erpimage, the number of lines should be less than the
> smallest number of trials available per a condition... you have to be
> careful about it. Actually there could be a function that automatically
> computes the upper bound of the number of lines and suggests it.****
>
> ** **
>
> Makoto****
>
> ** **
>
> 2013/7/5 Iman M.Rezazadeh <irezazadeh at ucdavis.edu>****
>
> Hi Arno and EEGLABers,****
>
>  ****
>
> As per my last email about doing erpimage in *group* level , I just
> wonder if there is any document or example that shows how shall I do that ?
> Also, I would like to know more about the description like how different
> number of trails in each condition are interpolated and how statistical
> test are done over those data.****
>
>  ****
>
> I would be appreciative if you kindly back to me by your comments and
> thoughts! ****
>
> Best,****
>
> Iman****
>
>  ****
>
> Iman M.Rezazadeh, PhD****
>
> Postdoctoral Research Fellow****
>
> Center for Mind and Brain****
>
> University of California, Davis****
>
> www.linkedin.com/pub/iman-m-rezazadeh/10/859/840****
>
> http://mindbrain.ucdavis.edu/people/imanmr****
>
> email : irezazadeh at ucdavis.edu****
>
> Tel: 530-297-4444****
>
> Cell:310-490-1808****
>
> Skype: Imanmr****
>
> ایمان محمد رضازاده****
>
> 伊芒*·*瑞扎扎德****
>
>  ****
>
>  ****
>
>  ****
>
> *-- The information contained in this message is intended only for the
> recipient, and may be a confidential communication or may otherwise be
> privileged and confidential and protected from disclosure. If the reader of
> this message is not the intended recipient, or an employee or agent
> responsible for delivering this message to the intended recipient, any
> dissemination or copying of this communication is strictly prohibited. If
> you have received this communication in error, please immediately notify us
> by replying to the message and then deleting it from your computer. *****
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
> *From:* Arnaud Delorme [mailto:arno at ucsd.edu]
> *Sent:* Saturday, May 18, 2013 10:34 AM
> *To:* Iman M.Rezazadeh
> *Cc:* eeglablist at sccn.ucsd.edu; 'Makoto Miyakoshi'
> *Subject:* Re: Comparing erpImage betweern conditions/subjects ****
>
>  ****
>
> Dear Iman,****
>
>  ****
>
> To make it short, the method we use is to compute ERPimage in each subject
> and interpolate the number of trials so all ERPimage have the same number
> of lines. There is no normalization by default.****
>
>  ****
>
> We then perform statistics across subjects as we do for time-frequency
> images (ERSP). We are preparing a detailed description of this method.****
>
> Best,****
>
>  ****
>
> Arno****
>
>  ****
>
> On 12 May 2013, at 02:28, Iman M.Rezazadeh wrote:****
>
> ** **
>
> Hello,****
>
> Thanks for your reply,Arno!****
>
> 1-     What   statistical method is used in STUDY to  do btw group or
> within group analysis ? how can it differentiate to erpimage from two
> different conditions ?****
>
> 2-     how does it normalize the data for each subject to have a grand
> erpimage ?****
>
> 3-     Are you aware of any publication using grand erpimage ?****
>
> Is it possible to send me the link to access the method in detail? I
> cannot find on the EEGLAB website****
>
> Best,****
>
> Iman****
>
> *From:* Arnaud Delorme [mailto:arno at ucsd.edu <arno at ucsd.edu>]
> *Sent:* Friday, May 10, 2013 10:26 PM
> *To:* Iman M.Rezazadeh
> *Cc:* eeglablist at sccn.ucsd.edu; 'Makoto Miyakoshi'
> *Subject:* Re: Comparing erpImage betweern conditions/subjects****
>
>  ****
>
> Dear Iman,****
>
>  ****
>
> you can do different types of ERPimage group analysis in STUDY in EEGLAB
> 12.****
>
> Best, ****
>
>  ****
>
> Arno****
>
>  ****
>
> On 3 May 2013, at 17:07, Iman M.Rezazadeh wrote:****
>
>
>
> ****
>
> Hi EEGLABers:****
>
>  ****
>
> 1-     Does anybody have any idea how can one normalize erpImage to
> compare erpimages between two or more conditions or subjects who may have
> different number of trials ?****
>
> 2-     Any idea for having erp-Image with Reaction Time graph on it at
> the group level?****
>
>  ****
>
> Best,****
>
> Iman****
>
>  ****
>
> Iman M.Rezazadeh, PhD****
>
> Postdoctoral Research Fellow****
>
> Center for Mind and Brain****
>
> University of California, Davis****
>
> www.linkedin.com/pub/iman-m-rezazadeh/10/859/840****
>
> http://mindbrain.ucdavis.edu/people/imanmr****
>
> email : irezazadeh at ucdavis.edu****
>
> Tel: 530-297-4444****
>
> Cell:310-490-1808****
>
> Skype: Imanmr****
>
> ایمان محمد رضازاده****
>
> 伊芒*·*瑞扎扎德****
>
>  ****
>
>  ****
>
>  ****
>
> *-- The information contained in this message is intended only for the
> recipient, and may be a confidential communication or may otherwise be
> privileged and confidential and protected from disclosure. If the reader of
> this message is not the intended recipient, or an employee or agent
> responsible for delivering this message to the intended recipient, any
> dissemination or copying of this communication is strictly prohibited. If
> you have received this communication in error, please immediately notify us
> by replying to the message and then deleting it from your computer.*****
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
>
>
> ****
>
> ** **
>
> -- ****
>
> Makoto Miyakoshi
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego****
>

-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sccn.ucsd.edu/pipermail/eeglablist/attachments/20130724/0b4e9eea/attachment.html>