SSVEP with EPOC
Posted: Mon Jun 15, 2015 11:50 am
Hello,
I'm testing my custom made flickering graphics (done in After Effects) using OpenVibe and EPOC headset. Basically, I'm using one computer to display the graphics and the other PC is running OpenVibe with EPOC connected through the opnevibe acquisition server. I set up a simple scenario where I can see both raw and filtered signals. For the filtered part of the signal I'm using temporal filter, windowing function, time based epoching and then display. But I can't see any changes in the signal when shifting my view to flickers. Could please someone point me to some method/scenario
where I could set up the EPOC and OpenVibe in such way that I could detect at least 1 flickering frequency at a time. Is there any way to display signal peaks (say signal peaking at 6.3 Hz) with amplitude on Y axis and frequencies on X axis.
Thanks in advance for any help or guidance.
Artur
I'm testing my custom made flickering graphics (done in After Effects) using OpenVibe and EPOC headset. Basically, I'm using one computer to display the graphics and the other PC is running OpenVibe with EPOC connected through the opnevibe acquisition server. I set up a simple scenario where I can see both raw and filtered signals. For the filtered part of the signal I'm using temporal filter, windowing function, time based epoching and then display. But I can't see any changes in the signal when shifting my view to flickers. Could please someone point me to some method/scenario
where I could set up the EPOC and OpenVibe in such way that I could detect at least 1 flickering frequency at a time. Is there any way to display signal peaks (say signal peaking at 6.3 Hz) with amplitude on Y axis and frequencies on X axis.
Thanks in advance for any help or guidance.
Artur