The prefix is frequently used in neuroimaging or neuroscience datasets (e.g., "Natural Scenes" datasets).
It may be from a medical archive where "ns" refers to "neurosurgery." 2. Network Simulation or Security nsxo_27_45min.mp4
Look for papers related to the Natural Scenes Dataset (NSD) or specific fMRI study "27." The prefix is frequently used in neuroimaging or