[Eeglablist] Problems with triggers with nihon-kohden Neurofax 1200

[Makoto Miyakoshi]

Dear Rita,

I am a former user of Nihon-Koden EEG 1100/1200 and had trouble with a
digital trigger. Why don't you tell me what *hardware solution* you have
for digital trigger. Are you using the officially privided optional product
for it?

Makoto


2013/12/8 Rita Peralta <anaritaperalta at gmail.com>

> Dear list
> In my lab we are starting to implement ERP recording so I apologize for
> the possible simplicity of this problem.
> We use Nihon-Kohden Neurofax 1200. We had a lot of problems with our
> technical support to be able to record the triggers from eprime into the
> EEG file. Finally he proposed a cable that works as the event marker that
> we are using for this communication. However, we have realized that the
> timing of the recorded events in the EEG file is slightly variable (150-30
> msecs difference from the eprime output). Also, this cable only permits 1
> type of output and it is not possible to differentiate between different
> sets of stimulus.
> Is anyone using this type of EEG system for ERP recording? if so, can you
> please tell us how can we improve the eprime-neurofax communication?
> Thank you for your help
> Rita Peralta
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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