User blog comment:Supahbadmarine/Do Blanks/Pariahs have Emotions?/@comment-3514402-20120309014415

Jurgen from the Ciaphas Cain series is a pretty expressive fellow. Amendera Kendel, Leilani Molitas and some of the other Silent Sisters were capable of feeling anger, fear, loathing, apprehension and all the other feelings that other mortals can.

I think it's more of how the writer depicts them.