BilZ0r <BilZ0r at TAKETHISOUThotmail.com> wrote in message news:<Xns935FB1D0B7FA8BilZ0rhotmailcom at 126.96.36.199>...
> This is really more of a neurology question than a neuroscience one, but;
>> Does anyone know any physical tests one can do on a subject to see if there
> is antagonism/agonism at any/all of the 5-HT receptors.
>> I mean something along the lines of the strech reflex is inhanced by
> someone taking a dopamine agonist. Any pupillary reflexs are dulled by
> Muscarinic antagonists.
>> On a similar note, is anyone exactly sure why MDMA and other psychoactives
> cause pupil dilation? I've heard people say 5-HT2a is the cause, but I know
> LSD is a peripheral antagonist of it.
>> ANy ideas?
well, I'm not an expert, but pupil dilation can also be observed in
persons on ssri's.