[FieldTrip] Problem with ICA using data exported via Brainvision analyser
Hwee Ling Lee
hweeling.lee at gmail.com
Thu Jan 30 11:58:08 CET 2014
Thanks for your suggestion. However, I checked the data, there was no data
from the reference channel, so I doubt this is the problem for the rank
On 29 January 2014 15:31, Max Cantor <mcantor at umich.edu> wrote:
> Hi Hwee,
> It may be your reference channel. Try removing your reference channel from
> ICA and it should resolve the rank issue.
> Max Cantor
> Research Assistant
> Computational Neurolinguistics Lab
> University of Michigan
> On Wed, Jan 29, 2014 at 8:57 AM, Hwee Ling Lee <hweeling.lee at gmail.com>wrote:
>> Dear all,
>> Whenever I export my EEG data using Brainvision analyser, I get problems
>> with running ICA on Fieldtrip. The data has a different rank, although I
>> specify to compute ICA using all channels.
>> However, when I use the raw EEG data collected from Brainvision recorder,
>> I do not get this problem.
>> Does anyone know why and how to resolve this issue?
>> My purpose of using Brainvision analyser is to downsample the EEG raw
>> data before further analyses.
>> Best regards,
>> fieldtrip mailing list
>> fieldtrip at donders.ru.nl
Dr. rer. nat. Lee, Hwee Ling
German Center for Neurodegenerative Diseases (DZNE) Bonn
Email 1: hwee-ling.lee<at>dzne.de
Email 2: hweeling.lee<at>gmail.com
Ernst-Robert-Curtius Strasse 12, 53117, Bonn, Germany
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