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On Sun 21 Dec, Debbie White wrote: > With respect to your ifnger tapping test, I cannot do better than 50 taps > in a 10 second period and I do not have PD. > > Debbie White > [log in to unmask] > > > Hello Debbie, Am I to assume that you have written the IBM PC version of my program, or do you have access to the proper test box? If you have managed to write the IBM PC version which I asked for - Well done! You are the first to respond. Please send details. Regarding your test result of 50 taps, I have already found that non-parkies exhibit quite a range of results: my daughter scored 95, and her husband scored an incredible 120! He is into computer games playing however, and they do that sort of thing all the time. So we already know that non-parkies show a large variation, one to another. Also that the non-parkie group overlap the Parkie group. I am not too surprised at those results: The real test is to measure the variation which a single pwp exhibits when he/she is in the ON condition, compared to when he/she is in the OFF condition, and whether there is a measurable progression between the two extremes. Regards, -- Brian Collins <[log in to unmask]>