It is the small beady eyes, sharp angle of the eyebrows and the masculine jaw—she could also be a good Nurse Ratched.
She was pretty enough back in the day. What happened? Plastic surgery I bet,right?
As long as her patients were getting their brains "electro-fried" she had an easy life. If her people somehow got cured, she would be out of a job. There is a definite pattern, here.