[Eeglablist] timing issues
Jason Ralph
ralphj at rpi.edu
Mon Nov 22 19:55:24 PST 2010
Hi,
I am having some major timing issues in my ERP studies. I'm finding P300
peak latencies around 500 ms in a simple flanker task and there is no P1/N1
wave to speak of.
I suspect that the problem is a result of our display setup. Stimuli are
presented on an LCD monitor connected through a KVM switch. Does anyone
know if the input lag from this could have caused these problems? We use
EGI 32 channel nets for acquisition and send triggers via a custom software
from a Mac Mini (e.g. not using E-prime).
Jason
--
Jason Ralph
CogWorks Laboratory
Cognitive Science Department
Rensselaer Polytechnic Institute
110 8th Street, Troy, NY 12180
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