She suffers from a 'neural' disorder.
the brain's 'neural' pathways
(..) Hey! I don't get it. I thought you said this was a hologram. I disengaged the safety protocols, so even a holographic bullet can kill. - What are you doing? - Looking for the neural processor. It's like a memory chip. It will contain a record of all the instructions this Borg has received. (..)1996 Star Trek: First Contact