My father is 73, and has had PD for 15 years. He recently has begun to exhibit confusion periodically. He will ramble and mumble to himself, and is sometime confussed about where he is, and what he is doing. these spells seem to come on quite rapidly, and he may go from ludic to confussed in 10 minutes. Does any one have any experience with this, and perhaps its correlation with meals, types of foods (sweets?), or time from the last medication? Stephen Hubbard [log in to unmask] (213) 217-7764. Thanks.