Matthew Kirkcaldie wrote:
> 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.
Positive feedback might make a neuron "bursty" - so that any time it
fires, there's a good chance it will fire many times in rapid
succession. Maybe the length of the feedback loop sets the bursting speed.
--
Joe Legris