 When Naomi Wildman begins asking her questions about the Collective, Seven hallucinates that the Borg have accessed her neural transceiver and know about Janeway's plan.Further research of her parents' mission lead Seven to conclude her parents underestimated the Borg, which eventually led to their assimilation.It was during this research that Seven discovered the Hansens' description of a bio-damper in their notes, which they used to move around undetected in a Borg vessel while conducting their field research.