We have been using the parallel port to input our MRI trigger signal into Psychopy. However, we need to switch to using a NNL (NordicNeuroLab) Syncbox, which sends the trigger signal to the PC via USB port, as a Human Device Interface (the Syncbox send the letter ‘s’ for each MRI trigger pulse). We are using a PC win8 64-bits and PsychoPy v1.79.00
Does anyone here use this kind of Syncbox? Do you think there is any accuracy timing problem for using the USB port instead of the parallel port?
Any advices will be very appreciated.