1. Emotional reading is a go. Daneel might even be able to realize that River has absolutely no control whatsoever over her emotional state at any given moment, so feel free to run with that. She's human, but is missing parts of her brain. Fun fun.

2. As a result of aforementioned lack of control I'm not sure that River wouldn't notice a sudden feeling of (insert goodwill here) and then try and figure out where it comes from since...missing the part of the brain that would do it for her is a bit problematic. I'm definitely down for him to try though with various results.