Search found 18 matches

by sumits
30 Jan 2014, 01:29
Forum: Configuration
Topic: Analysis of EEG data for fist clench movements
Replies: 0
Views: 2358

Analysis of EEG data for fist clench movements

Hi, We invite comments/suggestions on the videos of scalp maps generated from EEG signals for left and right fist clench movements for trials in various frequency bands uploaded here: https_nospam_www.youtube.com/channel/UC_3QGmNvKq-k_2zmlmL69wQ/playlists?view=1&flow=grid . We had recorded EEG signa...
by sumits
11 Jul 2013, 06:52
Forum: Configuration
Topic: Reference Channel in Offline Analysis Tool
Replies: 1
Views: 1677

Reference Channel in Offline Analysis Tool

While recording EEG using BrainProducts ActiChamp amplifier, we use a reference EEG channel. When we record files using BCI2000 StimulusPresentation and subsequently perform offline analysis using the OfflineAnalysis batch file as per the mu rhythm tutorial, is there any option to perform referencin...
by sumits
10 Jul 2013, 23:51
Forum: Configuration
Topic: Activation Paradigms for Mental Tasks based BCI
Replies: 1
Views: 4002

Activation Paradigms for Mental Tasks based BCI

There are several papers which build BCI systems that use mental tasks as activation procedures. These include the following: Geometric Figure Rotation:-The subject was given 30 seconds to see a complex three dimensional object, after which the object was removed. The subject was instructed to visua...
by sumits
09 Jul 2013, 04:39
Forum: Software Development
Topic: Importing BCI2000 .dat files into EEGLab
Replies: 9
Views: 6082

Re: Importing BCI2000 .dat files into EEGLab

Using EEGLAB v10.4.2.2b These are lines 40-45. % Revision history: % 0.30: Create boundary events when loading multiple files % 0.26: Import channel labels % 0.25: Added EEG.urevent structure % 0.20: Adapted to EEGLAB conventions % 0.10: Initial version Trying to load only one file as of now. Line 1...
by sumits
09 Jul 2013, 03:06
Forum: Software Development
Topic: Importing BCI2000 .dat files into EEGLab
Replies: 9
Views: 6082

Re: Importing BCI2000 .dat files into EEGLab

I tried the steps mentioned, but the following error message is obtained.
Error message
Error message
by sumits
03 Jul 2013, 00:17
Forum: Software Development
Topic: Importing BCI2000 .dat files into EEGLab
Replies: 9
Views: 6082

Re: Importing BCI2000 .dat files into EEGLab

Hi, Thanks for the help. I was unable to view the attachment that you had mentioned. However, I copied the BCI2000\tools\EEGlabImport folder to eeglab\plugins\ and then tried to read a BCI2000 .dat file, but got the following error message: EEGLAB_Error.png I am using EEGLAB v10.2.2.4b and BCI2000 s...
by sumits
02 Jul 2013, 05:47
Forum: Software Development
Topic: Importing BCI2000 .dat files into EEGLab
Replies: 9
Views: 6082

Re: Importing BCI2000 .dat files into EEGLab

I wanted to read .dat files into EEGLAB. Can you tell me how you have been able to do it using the GUI? I tried using the option for read BCI2000 ASCII files, but that does not complete. I tried using Import Data-> From other formats using BIOSIG toolbox, but then all event information is lost. The ...
by sumits
02 Jul 2013, 05:16
Forum: Configuration
Topic: Need Help with Mu Rhythm
Replies: 1
Views: 1875

Re: Need Help with Mu Rhythm

You probably might have not loaded the parameter files parms/mu_tutorial/InitialMuSession.prm and your EEG amplifier parameter file.

HTH
Sumit
by sumits
18 Jun 2013, 05:08
Forum: Configuration
Topic: Visual Studio Debug Assertion Failure
Replies: 16
Views: 6297

Re: Visual Studio Debug Assertion Failure

Hi, Am able to build the VS2010 solution after checking out from http_nospam_www.bci2000.org/svn/tags/releases/current/ . The batch files are running fine now. However, the VS2008 project built from the SVN trunk now gives the following error message. error.png I am using CMake 2.8, 64-bit Windows 7...
by sumits
17 Jun 2013, 05:12
Forum: Configuration
Topic: Visual Studio Debug Assertion Failure
Replies: 16
Views: 6297

Re: Visual Studio Debug Assertion Failure

I am using the current version itself, from http://www.bci2000.org/svn/tags/releases/current.

Do let me know if any further information is required.
by sumits
14 Jun 2013, 01:13
Forum: Configuration
Topic: Visual Studio Debug Assertion Failure
Replies: 16
Views: 6297

Visual Studio Debug Assertion Failure

I built BCI2000 from sources and was able to run batch files such as StimulusPresentation_SignalGenerator etc. However, recently whenever I run any task, I get the following error message. error.png This is related to Visual Studio, I tried to rebuild the VS project as well as the script that genera...
by sumits
11 Jun 2013, 05:18
Forum: Configuration
Topic: Using Brain Vision Actichamp EEG Amplifier
Replies: 10
Views: 5452

Re: Using Brain Vision Actichamp EEG Amplifier

Thanks for the clarification, through with the build process!

Actichamp source revision 4363 does not contain ActiChamp.imports.h. Building with this revision creates the executable in \BCI2000\prog.
by sumits
07 Jun 2013, 02:04
Forum: Configuration
Topic: Using Brain Vision Actichamp EEG Amplifier
Replies: 10
Views: 5452

Re: Using Brain Vision Actichamp EEG Amplifier

Thanks for the help. As suggested, I checked the SVN log for the ActiChamp signal source contributed module at http://www.bci2000.org/svn/trunk/src/contrib/SignalSource/actiCHamp/. There are 14 revisions, the latest being 4447, which I checked out. However, I could not find any revision which did no...
by sumits
06 Jun 2013, 04:54
Forum: Configuration
Topic: Using Brain Vision Actichamp EEG Amplifier
Replies: 10
Views: 5452

Re: Using Brain Vision Actichamp EEG Amplifier

I have got through compiling BCI2000 from sources. The issue is now with building the contributed ActiChamp signal acquisition module. The steps followed are reiterated here: 1. Configuration OS: Windows 7 64 bit Qt version 4.6.3 Visual Studio 2008 Cmake version 2.8.11 (32 bit version installed) 2. ...
by sumits
05 Jun 2013, 04:52
Forum: Configuration
Topic: Using Brain Vision Actichamp EEG Amplifier
Replies: 10
Views: 5452

Re: Using Brain Vision Actichamp EEG Amplifier

Thank you for the reply, I started from scratch again, and details are given below. Installation Configuration: OS: 64 bit Windows 7 Cmake version 2.8.11 (32 bit version installed) Visual Studio 2010 Qt version 4.8.4 for VS 2010 Added C:\Qt\4.8.4\bin to environment variable PATH. 1. Checking out sou...