Problem with data in Biopac

SuperLab SuperLab 4 Support
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1

Hi,

I have been using Superlab 4.5 to present stimuli visual stimuli and sending digital output events to deliver electrical shocks and AcqKnowledge (Biopac) to record the presentation of these stimuli and participants´skin conductance responses. Though I have set Superlab to present visual stimuli for 4 seconds each, Biopac records stimuli as being presented for only 3.3 seconds. How can I make Biopac register the entire visual stimuli presentations? (ps: I am using photocells to register visual stimuli presentations).

Thanks

2

It would be best to see how your experiment is set up. Can you attach your experiment as an Experiment Package? This is found under the File menu within SuperLab.