Dave Bird <dave at nospam.xemu.demon.co.uk> wrote in message news:<MdRByNADua5$EwsC at xemu.demon.co.uk>...
> In article<84da9680.0312210247.4030f84b at posting.google.com>,
>orkeltatte at hotmail.com <orkeltatte at hotmail.com> writes:
> >> >The fact that Ritaline and other similar central stimulating drugs has
> >> >the paradoxal effect of normalizing activity and attention in ADDH
> >> >conditions ,
> >>
> >> It is only paradoxical if we play a bit of word magic with 'stimulating'
> >
> >Sorry! But this is semantic bullshit.Paradoxal refers to an opposite
> >effect compared to the common effect on the majority of people - eg
> >excitatory, increased psychomotor tempo and activity and soforth.
>> Let me explain. The effect is not ACTUALLY paradoxical if we
> examine carefully. There is only an APPARENT paradox if we
> carelessly use the word 'stimulant' without specifying 'of what'.
>> "The fact that a (reflection-) stimulating drug abates a
> (movement-) stimulating disorder is APPARENTLY paradoxical
> until we realise that they stimulate different and opposing factors"
>Still playing with words
>> I would reserve the word paradoxical when it genuinely the
> same quantity involved: "how is it that a patient with HIGH DOPAMINE is
> clearly showing and EXTRA-PYRAMIDAL TREMOR from low dopamine effect?";
> "how is it that problems which began with RAISED SEROTONIN are now
> cleared up by INCREASING SEROTONIN LEVELS?"; etc.
That will probably be due to the effect of up - and downregulationg of
the receptors in question - adapting, or trying to adapt to new
neurochemical environment