What is the defense for criminal liability that is used to assert a lack of criminal responsibility because, according to law, a person cannot have the requisite state of mind to commit a crime?

Kay is a thoughtful and considerate person but has a difficult time making decisions on her own. she relies on her one best friend, someone she has known since childhood, to give her advice on virtually every decision she makes. sometimes kay even asks the friend to make the decision for her. at work, she holds a position far below her potential and has refused several promotion opportunities. she is most likely suffering from personality disorder.