[Eeglablist] Import of Brainlab .sig files

Simon-Shlomo Poil poil.simonshlomo at gmail.com
Wed Apr 2 13:11:20 PDT 2014


Hi Makoto,

No that doesn't work. It seems like the file is encoded somehow, because I
just get random signs and letters. Nothing that looks like a numeric
Matrix. In the style of "� � � � u J 1 D O : + = R * � �"

If I use fread I do get numeric data, but it doesn't look right, e.g. "255
   254
   254
   225
   254
   203
   254
   179
   254
   128
   254
    78
    94
     9"

It looks encoded. I also need the event data from the file, which somehow
probably is stored in the header..

-Simon






2014-04-02 21:48 GMT+02:00 Makoto Miyakoshi <mmiyakoshi at ucsd.edu>:

>  Dear Simon,
>
>  But you can read what's in the first line, second line, third line...
> So, you open it using fopen, and obtain the first line by fgetl, and check
> what is in the 'firstLine'. Every time you run fgetl it obtains the new
> line, so you repeat it until you reach the beginning of numeric arrays.
> Does it not work?
>
>  % open the file
> FID = fopen(input);
>
>  % skip the first two lines
> firstLine  = fgetl(FID);
> secondLine = fgetl(FID);
>  ...
>
>  Makoto
>
>
> 2014-04-02 12:43 GMT-07:00 Simon-Shlomo Poil <poil.simonshlomo at gmail.com>:
>
>   Dear Makoto,
>>
>> Thank you for you answer.
>>
>>  Unfortunately that approach only works if you know the structure of the
>> binary files. My problem is that I don't know the specification of the .sig
>> format (and it also seems like these are not online).
>>
>>  Best wishes,
>>  Simon
>>
>> --
>> Simon-Shlomo Poil, Dr.
>>
>> Mobile number: +41 (0)76 399 5809
>> LinkedIn profile: http://ch.linkedin.com/in/simonshlomopoil/
>>
>> The Neurophysiological Biomarker Toolbox (NBT): http://www.nbtwiki.net
>>
>> My latest publications:
>> Integrative EEG biomarkers predict progression to Alzheimer's disease at
>> the MCI stage: http://l.nbtwiki.net/19jMuy8
>>
>> The Amsterdam Resting-State Questionnaire reveals multiple phenotypes of
>> resting-state cognition: http://l.nbtwiki.net/17yblK7
>>
>>
>>
>> 2014-04-02 21:35 GMT+02:00 Makoto Miyakoshi <mmiyakoshi at ucsd.edu>:
>>
>>  Dear Simon-Shlomo,
>>>
>>>  I wrote readNihonKodenM00(). The solution used there (using fopen(),
>>> fgetl(), fscanf()...) could be also applied to your dataset. Please
>>> download the plugin NihonKoden from here (or via download manager if EEGLAB
>>> v13 or later)
>>> http://sccn.ucsd.edu/wiki/Plugin_list_import
>>>
>>>  Makoto
>>>
>>>
>>>
>>> 2014-04-02 2:42 GMT-07:00 Simon-Shlomo Poil <poil.simonshlomo at gmail.com>
>>> :
>>>
>>>>    Dear all,
>>>>
>>>>  I have a problem importing .sig files from Brainlab to Matlab (I have
>>>> .sig and .sts file for each recording).
>>>>
>>>>  It seems that neither EEGLAB nor Fieldtrip supports import of these
>>>> files.
>>>>
>>>>  Does anybody have an idea of how to import these files to Matlab?
>>>>
>>>>  Best regards,
>>>> Simon-Shlomo Poil, Dr.
>>>>
>>>>
>>>>  _______________________________________________
>>>> Eeglablist page: http://sccn.ucsd.edu/eeglab/eeglabmail.html
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>>>
>>>
>>>
>>>  --
>>> 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
>
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