"Except no one I've met is actually suffering any form of mental disorder that would manifest with hallucinations," Naomi said, evenly. "Any abnormal mental states I've observed have been benign and wouldn't interfere with daily living, therefor wouldn't require imprisonment in a mental instituion." There had been people who had seemed somewhat off, but Naomi knew her mental disorders and diseases. She had to.

"And your name isn't Jessica. Just like mine isn't Noriko. They give us new names and act as though those have been our names all of our lives."

Another conditioning technique. Kidnappers used it on victims to try and erase their 'old life'.