Re: transcranial magnetic stimulation (was Uploading and Nanotec

Nick Bostrom (
Sun, 19 Apr 1998 17:54:03 +0000

Anders Sandberg wrote:
> > I wonder if transcranial magnetic stimulation could be used for
> > recreational purposes, by noninvasively stimulating the pleasure
> > centres? (At least it would be legal for some time before the
> > legislators caught up with the development.)
> Unfortunately, the pleasure centers (ventral tegmental area, septal
> region, nucleus accumbens et al) are very deep inside the brain, so to
> stimulate them you would have to stimulate most of the brain - with
> nasty effects.

Would it in principle be possible to arrange the magnetic fields in
such a way that the flield strength is only significant in the
nucleus accumbens, say, and perhaps in some regions were the
stimulation doesn't have any effect?

Nick Bostrom
Department of Philosophy, Logic and Scientific Method
London School of Economics