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---------- > From: [log in to unmask] > To: Bob C <[log in to unmask]> > Subject: Re: Re: DBS & biofeedback > Date: Sunday, January 25, 1998 3:40 AM > > > original message: > ---------- > From: Bob C <[log in to unmask]> > To: [log in to unmask] > Subject: Re: Re: DBS & biofeedback > Date: Sunday, January 25, 1998 12:24 AM > > Hey Jonathan, that's great, now I can understand what you are asking, but I > don't understand how you would send "a constellation of stimulation in time > and space" or how that puts the PWP in the loop? Hmnn, guess I still don't, > Oh well, maybe I'll catch up in my next life' > > > hiya bob c, > > no need to wait for the "next life". i'll explain. > > electronic impulses currently [no pun] are sent into brain locations at a > certain "frequency" or time sequence like:" - - - - - -" and a certain > "amplitude" like: > > * > * * * > * * * > * * * * * * > > in other words, amplitude is "how much" electricity, frequency is "how > quick" [or close together] are the bursts. another factor to consider is > location, where in the brain is the stimulation sent. by locating > electrodes at several different sights, and broadcasting from more than one > point on the electrode surface, it is possible to send a wide variety of > "patterns" to the brain, to "experiment" or play around with the > stimulation. > > it is possible to represent these different "parameters" or factors > [sequence, amplitude, location] dynamically in "real time"[like an internet > "chat", as opposed to sending letters] with different sound > charactersistics such as "pitch" "timbre" "sharpness" "loudness" "duration" > .... all the things musicians use to vary sound when they make a symphony. > linking the data characteristics of a signal [electrical impulse] with > characteristics of sound is called "mapping". > > now, by making the sound pattern audible, the pwp knows what pattern of > stimulation he is sending to his own brain, and can change it, work with > it, in various ways until it intuitively "feels right" that puts the pwp > into the loop. > > as it stands [as i understand it] the docs are sending a fixed frequency to > a fixed location at a fixed amplitude, and the pwp has no input, no say, as > to what patterns his brain gets. > > i don't know that this approach would work, but it seems to me worth a try. > i mentioned the idea to dr. gary hite at u of stanford hospital during the > time my mother was there getting her pallidotomy. but it takes more than > casual mention to get an idea rolling. not that i think that it should. > it just does. > > i hope that helps, > > > jonathan > > [log in to unmask]