Dear SPM experts, I have a question regarding the option of render at SPM12. My data being recorded by visual stimulation. so when I choose render option at source localization (GUI) step, Occipital being fired from (0-1200 mili second). I can't find any resean why it is fired aftar 400 mili second? I will be a lot appreciated to guide me. Many thanks, Ele Sent from my iPhone