BioSemi.nl

thanks

Dear Coen,
thanks for your answer - I do have a few more questions though:

If it was sweating, wouldn't those artefacts happen at a more regular basis? We sometimes have artefacts at the beginning of a recording and then nothing again for more than 10 minutes - wouldn't our subject keep on sweating ...

I have uploaded a small data-file showing these drifts to the media center of my e-mail provider.
The link is:
http://www.gmx.de/mc/wwFBVLvSE9gu12eTl6XCufrsLhbr0W

Instructions in English:
click on gmx media center starten
a folder opens where you can see one data file named probe.bdf
put a check ...

My collegue and I just started recording eegs for our thesis and have run into some problems with Biosemi. The first few recordings went very well, but in all but one of the last five sessions we had some major problems with odd-looking drifts. We have come to our wits end.
We have low off-sets for ...