[Eeglablist] Help with Neuroscan and Analyzer files (Arnaud Delorme)

[Deepali Shewale]

Hi Elia,
If you want to import the data from Analyzer to EEGLAB, then in Analyzer you
have to export it using Generic data export, store that data in a file,
then open EEGLAB, go to File > Import data > From ASCII/Float file or Matlab
Array, You'll get Import data set GUI where in you specify the location of
file and desired parameters.  And you can import the data.
However, if you want to import Raw BVA files in EEGLAB without preprocessing
it in Analyzer, then you can load the data directly in EEGLAB by
Files>Import data> From Barin Vis. Rec. vhdr.
Hope tht helps.

Thanks,
Deepali Shewale
Graduate Research Assistant,
University of Texas Southwestern Medical Center,
Texas


On Sun, May 17, 2009 at 2:00 PM, <eeglablist-request at sccn.ucsd.edu> wrote:

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>   1. Re: Independent Component clustering (Arnaud Delorme)
>   2. Re: Help with Neuroscan and Analyzer files (Arnaud Delorme)
>
>
> ---------- Forwarded message ----------
> From: Arnaud Delorme <arno at ucsd.edu>
> To: "dlozanosoldevilla at gmail.com" <dlozanosoldevilla at gmail.com>
> Date: Sat, 16 May 2009 12:08:32 -0700
> Subject: Re: [Eeglablist] Independent Component clustering
> Dear Diego,
>
> the STUDY structure is detailed here
>
> http://sccn.ucsd.edu/eeglab/clusttut/clustertut.html#studystruct
>
> It contains all the cluster information.
> Hope this helps,
>
> Arno
>
>
> On 29 avr. 09, at 01:22, Diego Lozano Soldevilla wrote:
>
> Hello,
>>
>> I'm doing an Independent Component clustering using kmeans algorithm and I
>> don't know what I should do to obtain the matrix of different clusters. I
>> have
>> spent a lot of time trying to read it in STUDY structures but there isn't
>> here.
>>
>> Thanks in advance,
>>
>> Diego Lozano
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>
>
>
> ---------- Forwarded message ----------
> From: Arnaud Delorme <arno at ucsd.edu>
> To: Elia Valentini <elia.valentini at uniroma1.it>
> Date: Sat, 16 May 2009 12:15:31 -0700
> Subject: Re: [Eeglablist] Help with Neuroscan and Analyzer files
> Dear Elia,
> I think the problem is both because of your Matlab version and also the
> fact that you are running out of memory. When Matlab crashes it is never
> EEGLAB fault, but I agree that this can be frustrating. Read the data, and
> save it using EEGLAB data format. Then restart Matlab and reload the data.
> This might ease slightly the memory burden.
>
> We have a new version of EEGLAB that uses memory mapping so the file stays
> on disk. Unfortunately Matlab memory mapping implementation is not stable
> and Matlab crashes often when we use this option. We are trying
> to stabilize it using the SPM memory mapping implementation instead of the
> Matlab one (SPM implemented their own memory mapping routines within Matlab
> more than 10 years ago) but this might take time.
>
> Best,
>
> Arno
>
>  On 9 janv. 09, at 09:03, Elia Valentini wrote:
>
> I'm new to EEGLab and Matlab but I would really to try and get my raw
> Neuroscan (4.4) files and my Analyzer History nodes files to be processed by
> EEGlab.
> At least would b nice to have the raw files uploaded.
> Indeed, while it seems impossible to import the analyzer formats (EHST,
> HFINF) I succeeded in importing cnt files (32 bit only) but as soon the file
> was plotted the enitire matlab platform crashed. This several times. Do you
> think may be due to my own system failure or to an error in Matlab
> settings/installation??
>
> I do not have a clue of this.
> Thanks a lot in advance for your help.
>
> --
> Elia Valentini
> Department of  Psychology
> University of Rome "La Sapienza"
> Via dei Marsi 78 - 00185 - Roma
> Phone: (+39) 06-49917635
> Fax: (+39) 06-49917635
> e-mail: elia.valentini at uniroma1.it; eliavalentini at gmail.com
> Ph.D. student in Cognitive plasticity and Rehabilitation
> http://w3.uniroma1.it/labaglioti/Valentini.htm
> <ATT00001.txt>
>
>
>
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