Parkinson's Disease Support Group
Parkinson's disease is a movement disorder often characterized by muscle rigidity, tremor, a slowing of physical movement, and in extreme cases, a loss of physical movement. The primary symptoms of Parkinsons are due to excessive muscle contraction, normally caused by the insufficient formation and action of dopamine, which is produced in the dopaminergic neurons of the...
Another factor is dyskenesia. From what I've seen, once that sets in, in conjunction with PD, there is a lot of stuttering and difficulty talking. I can't imagine the mess to edit using Dragon in that condition. Then I'd have to rely upon my wife to type as I struggled to talk.