First of all: Ow.
The - person - is huge. She's connected to everything, the whole facility is only a thought away. There is an enormous tangle of cables and wires connecting her to everything else, and although it's true that the thing that sorta looks like her head is the ultimate source of information flow, it is redundant with other similar pieces of storage and processing elsewhere.
There is also a constant influx of not-aliveness from the eye-like things attached to her, an endless stream of information affecting every decision, every pulse, every movement. And, surprisingly enough, the detached sphere is still active, sending information wirelessly to her.
Also, while she's at it, she might notice that there's one of the eye-robot-rocket-launcher things below the ground being activated.