X-Message-Number: 26118 Date: Sun, 1 May 2005 14:19:17 +0200 From: Eugen Leitl <> Subject: Re: CryoNet #26112 - #26117 References: <> --b8GWCKCLzrXbuNet Content-Disposition: inline On Sun, May 01, 2005 at 09:00:01AM -0000, CryoNet wrote: > Message #26116 > From: > Date: Sun, 1 May 2005 01:50:21 EDT > Subject: Re: CryoNet #26109 To T. Donaldson > > You said: > > So we come to the question of how the axon of the sending neuron > > grows properly toward the receiving neuron. In real neurons, > > guidance is by chemical factors released by the receiving neuron, > > by astrocytes surrounding it, or by other nearby cells. Growth > > involves sensing these factors. > > The shape of the action potential seems to convey no information, so, as I Timing and the shape of the dentritic tree e.g. does. > have said before, there is no need to reproduce it, a simple rectangular wave is > sufficient. This one can be efficiently broadcasted from a computer table. To Look up spiking neuron. > link neuron X1send to neuron X2receiv , It suffice to put the X2receiv > address in the sending table of X1send and create an entry for X1send on a new > synapse in X2receiv (the whole synapse is simulated on X2receiv, includind the > presynaptic axon terminal). This is a rather trivial software piece. I suggest you read up on computational neuroscience. http://mitpress.mit.edu/catalog/item/default.asp?tid=7058&ttype=2 -- Eugen* Leitl <a href="http://leitl.org">leitl</a> ______________________________________________________________ ICBM: 48.07078, 11.61144 http://www.leitl.org 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE http://moleculardevices.org http://nanomachines.net --b8GWCKCLzrXbuNet Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) iD8DBQFCdMlFdbAkQ4sp9r4RAluwAKCjS+l5J/c7sAaz+Au/ojgrFDtvsQCbBevR 09ak4fpFk9UKsTcAIEG0k38=vPhv -----END PGP SIGNATURE----- --b8GWCKCLzrXbuNet-- Rate This Message: http://www.cryonet.org/cgi-bin/rate.cgi?msg=26118