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H Kim Russell, In message <[log in to unmask]> writes: > I'm interested in the research into perception & PD. What are the ideas > about how the perceptual changes affect movement? I confess I don't exactly know! John Harris is doing a series of experiments, and I often feel obliged to say "Well, I KNOW that: EVERY Parkinsonian knows it!". Obviously he has to have rigorously tested theories for any conclusions he may draw. > ... If the horiz. stripes of tape help ... Actually the horizontal bars make it more DIFFICULT to judge the width of the gap. I was apparently trying to put myself through (virtual) gaps that were about 7cm narrower than my shoulder width! > ...then there must be a connection. Especially since the same > thing works for helping with movement initiation. Well, yes, that is what John is working on: PWPs certainly do have a modified perception, but how it manifests itself, or how we can capitalise on the knowledge, you'll have to write to Prof. John Harris about, at Reading Uni.. > > Well, I don't have the make-up problem, but yes, I'm beginning to lose > > my peripheral vision. Mostly this means I have to consciously turn to > > see cars on either side when driving, which I still can. > > > > It might be interesting to check with someone who is doing research into > > PD and perception. His name is Prof. John Harris, Dept. of Psychology, > > University of Reading, Whiteknights Park, Reading, Berkshire, England. I > > have been one of his "guinea-pigs" for 3 or more years. His latest tests > > are about going through doorways. I did well on those until there were > > horizontal stripes to right & left of the doorframes, when I > > consistently over-estimated the width of the gap! -- Jeremy Browne, Hampshire, UK [log in to unmask] Shaking Hands BBS, Fidonet 2:252/160 (+44 1252 626233, also FAX)