BEN>> My hypothesis is that when the nodes in a cluster are activated, this then leads to the recruitment of other associated nodes not in the cluster, into a contextually-appropriate transient assembly ... and that much of what's interesting in cognitive neurodynamics has to do with these transient assemblies and their interactions... which of course Granger does not touch on...
EWP>> Yes, I think much of the magic of human thought comes from interactions in the large complex dynamic state of current and recent activations -- included the re-activation of patterns from LTM -- interactions that provides much of the mind's complex context sensitivity and appropriateness. BEN>> Re consciousness, I tend to agree with Greenfield's hypothesis that wide-ranging transient neural assemblies are associated with conscious awareness. This harmonizes well with the hypothesis I make in the Hidden Pattern, that the more information-theoretically "intense" patterns in the brain will tend to correspond to the more subjectively intense consciousness experiences... EWP>> Ever since I read Minskys reading list in 1969-70 I have though how conscious you are of something is a function of how much activation energy is spreading out from it, and thus how much of its meaning, in terms, associations, episodes, characteristics, and implications are being seen -- in the sense of being responded to by other patterns -- in the mind theater. Because of the interactions between transient activations you discuss above, which of parts of a given conscious concepts meaning gets what degree of activation at any given time is a function of what other things have currently or recently received conscious, or even, unconscious level activation. Edward W. Porter Porter & Associates 24 String Bridge S12 Exeter, NH 03833 (617) 494-1722 Fax (617) 494-1822 [EMAIL PROTECTED] -----Original Message----- From: Benjamin Goertzel [mailto:[EMAIL PROTECTED] Sent: Monday, October 22, 2007 1:40 PM To: [email protected] Subject: Re: Bogus Neuroscience [WAS Re: [agi] Human memory and number of synapses] As I said above, it leaves many things unsaid and unclear. For example, does it activate all or multiple nodes in a cluster together or not? Does it always activate the most general cluster covering a given pattern, or does it use some measure of how well a cluster fits input to select what, and to what degree, cluster(s) in the generalization hierarchy spreads its(their) activation through the matrix loop? Is it correct to assume that this form of sequential spreading activation can take place between massive number of subconsciously activated nodes simultaneously, or is it limited to a relatively few, or near conscious nodes? How exactly does the model of the basil ganglia described in the earlier part of this paper plug into the operation of the core and matrix loops described in its later part. How does it handle sequential activations that are feed to it in a different order than that originally learned. Etc. My hypothesis is that when the nodes in a cluster are activated, this then leads to the recruitment of other associated nodes not in the cluster, into a contextually-appropriate transient assembly ... and that much of what's interesting in cognitive neurodynamics has to do with these transient assemblies and their interactions... which of course Granger does not touch on... Re consciousness, I tend to agree with Greenfield's hypothesis that wide-ranging transient neural assemblies are associated with conscious awareness. This harmonizes well with the hypothesis I make in the Hidden Pattern, that the more information-theoretically "intense" patterns in the brain will tend to correspond to the more subjectively intense consciousness experiences... -- Ben _____ This list is sponsored by AGIRI: http://www.agiri.org/email To unsubscribe or change your options, please go to: http://v2.listbox.com/member/? <http://v2.listbox.com/member/?&; > & ----- This list is sponsored by AGIRI: http://www.agiri.org/email To unsubscribe or change your options, please go to: http://v2.listbox.com/member/?member_id=8660244&id_secret=56395420-6cab75
