I thought the mouse would help her develop fine motor skills since she has to move it around and then click...but maybe this is wrong?
Sounds like you are trying really hard, but that she is up against some strong challenges. I would try finding other OTs and PTs that are more in line with your ideas of what human beings should be like. These are just very valuable years that I wouldn't settle for DIY unless it was the only choice.
It's probably literally true that the mouse is somewhat helpful, but I think especially dangerous in other ways in your particular situation, reminds me of an analogy that I can't use here, but once one gets used to the powerful stimulation of electronics, then old fashioned analog stimulations seems even less appealing.
I would encourage looking up some threads about Nurtured Heart Approach and Howard Glasser /Transforming the Difficult Child, because this challenge calls for some 'super-advanced' parenting.
Love and More Love,
Grinty
