Axon collaterals ?

Glen M. Sizemore gmsizemore2 at yahoo.com
Thu Dec 18 05:53:09 EST 2003


Isn't "excitatory" vs. "inhibitory" a function of the post-synaptic
receptor?

"Matthew Kirkcaldie" <Matthew.Kirkcaldie at removethis.newcastle.edu.au> wrote
in message
news:Matthew.Kirkcaldie-1A0D6C.11411717122003 at seagoon.newcastle.edu.au...
> In article <Xns94539459E651FBilZ0rhotmailcom at 202.20.93.13>,
>  BilZ0r <BilZ0r at TAKETHISOUThotmail.com> wrote:
>
> > Yes, its very common. Just often another way a cell mediates negative
> > feedback.
>
> Why would an autapse from an excitatory neuron constitute "negative
> feedback"?  It would be a positive feedback loop if anything.
>
>          Matthew.





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