[Lessismore]

But if she has no cognition as alleged, how can she suffer?

OTOH, suppose she has cognition.

Suppose that she can't see, can't speak, can't hear, can't move, but her damaged nerve endings are communicating to her brain that she is in a burning lake of sulfur.

[HiTech RedNeck]

In that kind of pain there would be physiological signs.