Search found 12 matches

by Boris
Fri Feb 28, 2014 12:35 pm
Forum: BioSemi Hardware
Topic: Advice on parallel port driver.
Replies: 0
Views: 9036

Advice on parallel port driver.

Hello

We are using Paraport driver to send triggers via parallel port. But the result is not so good. Can you please advice on better parallel port driver or way to send triggers? Also. how USB2 setup works?

Thanks

Boris
by Boris
Wed Dec 25, 2013 12:06 pm
Forum: BioSemi Hardware
Topic: Question about coordinates
Replies: 3
Views: 11315

Question about coordinates

Hello I would like to ask several questions about coordinates: (1) What are the units of coordinates in file provided by Biosemi? (2) Why in Biosemi file r is taken as 100? (3) How can I convert these coordinates to sLoreta an EEGLAB? Is origin of Biosemi provided coordinates the same as for sLoreta...
by Boris
Thu Dec 05, 2013 9:02 pm
Forum: BioSemi Hardware
Topic: Speed mode?
Replies: 2
Views: 5800

Re: Speed mode?

Thank you very much.
by Boris
Thu Dec 05, 2013 3:34 pm
Forum: BioSemi Hardware
Topic: Speed mode?
Replies: 2
Views: 5800

Speed mode?

Hello

We have 64 electrode Biosemi. Which speed mode should we choose?

Best

Boris
by Boris
Thu Nov 28, 2013 11:45 am
Forum: BioSemi Hardware
Topic: How to disinfect Biosemi hardware?
Replies: 3
Views: 9942

Re: How to disinfect Biosemi hardware?

Thank you very much. Is the percent of the alcohol meters?

Best

Boris
by Boris
Wed Nov 27, 2013 8:29 pm
Forum: BioSemi Hardware
Topic: How to disinfect Biosemi hardware?
Replies: 3
Views: 9942

How to disinfect Biosemi hardware?

Hello

I would like to ask what is the recommended procedure and clearing and disinfecting agent for: (1) EEG cap; (2) Cap electrode; (3) EMG flat electrodes; and (4) GSR sensor?

Is it possible to use alcohol?

Thanks

Bori
by Boris
Wed Nov 13, 2013 9:40 pm
Forum: BioSemi Software (ActiView executable)
Topic: Triggers and switches
Replies: 3
Views: 11325

Re: Triggers and switches

Just to make sure. I will see triggers as bars at the bottom triggers window in ActiveView?
by Boris
Wed Nov 13, 2013 11:38 am
Forum: BioSemi Software (ActiView executable)
Topic: Triggers and switches
Replies: 3
Views: 11325

Triggers and switches

Hello

I use switches, but can't see the triggers at the bottom of the Actiview screen. What can be the reason? What should I do?

Best

Boris
by Boris
Sun Oct 13, 2013 11:10 pm
Forum: BioSemi Software (ActiView executable)
Topic: Triers and synchronization in Windows 7.
Replies: 5
Views: 13921

Triers and synchronization in Windows 7.

Hello

We build our experiment program in Python (Win 7). How can we synchronize and send triggers to EEG data? Where can we find synchronization driver?

Thanks

Boris
by Boris
Sun Mar 18, 2012 5:17 pm
Forum: BioSemi all other topics
Topic: Question regarding ActiView integrated filters
Replies: 3
Views: 20990

Question regarding ActiView integrated filters

Hello All I would like to know if low pass filter in ActiView software during signal acquisition is digital filter? or analog hardware filter? If it is digital filter so what is the order of it? Another question, is BioSemi acquires signal at maximum sampling frequency and than down-samples it befor...
by Boris
Fri Apr 09, 2010 2:54 pm
Forum: EEG data analysis
Topic: Question about match between EXG channels and their numbers
Replies: 2
Views: 11090

Thanks :)
by Boris
Fri Apr 09, 2010 10:42 am
Forum: EEG data analysis
Topic: Question about match between EXG channels and their numbers
Replies: 2
Views: 11090

Question about match between EXG channels and their numbers

Hello My name is Yazmir Boris I am working on BioSemi system at the Technion. I would like to get some help. 1) I have used default config file for 64 channels system (attached). I have recorded all 64 channels and all EXG channels(EXG1 – EXG8). I would like to know what is the numerical order of ch...