Mike, On Wed, Sep 19, 2012 at 9:56 AM, Mike Tintner <tint...@blueyonder.co.uk>wrote:
> Steve, > > Are you talking about *more developed* types of neurons in humans? > In a sense, ALL of our cells are simply "more developed" versions of something that came earlier. However, I didn't think your primary interest was in genetics. Much of our brain is SO much "more developed" that there is little comparison with what came before. Steve ====================== > *From:* Steve Richfield <steve.richfi...@gmail.com> > *Sent:* Wednesday, September 19, 2012 5:48 PM > *To:* AGI <a...@listbox.com> > *Subject:* Re: [agi] All brains the same? > > Mike, > > On Wed, Sep 19, 2012 at 9:35 AM, Mike Tintner <tint...@blueyonder.co.uk>wrote: > >> "The brain has evolved over millions of years, refined for the life of >> each species. Yet despite the differences, our brain cells, brain >> molecules, neurotransmitters and synapses are almost identical in all >> animals." > > > The issue lies in the meaning of "almost". Sure, SOME neurons are similar, > but there are a hundred or so TYPES of neurons in our brain that you won't > find in a roundworm. > > We really do NOT yet know enough about how neurons work to even make or > evaluate such statements with regard to mammals. It appears that much of > the differences between mice and us are in myriad "little" details. > > Lecture on brain evolution... >> >> True? >> > > I would say "not as far as AGI is concerned". > >> >> In which case it is surely insane to start trying to mimic the human >> brain, especially when: >> >> "The simplicity of the nervous system in the roundworm has allowed >> scientists to trace all its neural connections. > > > Sure they can identify the inputs and outputs from their physical > connections, but they have been able to identify NOTHING else - not one > single interneuron. It appears that the "logic" is all in the synapses and > NOT in the connections, and they have NOT succeeded yet in reading out the > synapses. > > This insight could one day offer clues about connections in the human >> brain." >> > > I know how to make a machine capable of reading out the synapses. Until > that machine is made, "one day" will forever remain in the future. > > Steve > > *AGI* | Archives <https://www.listbox.com/member/archive/303/=now> > <https://www.listbox.com/member/archive/rss/303/6952829-59a2eca5> | > Modify<https://www.listbox.com/member/?&;>Your Subscription > <http://www.listbox.com> > *AGI* | Archives <https://www.listbox.com/member/archive/303/=now> > <https://www.listbox.com/member/archive/rss/303/10443978-6f4c28ac> | > Modify<https://www.listbox.com/member/?&;>Your Subscription > <http://www.listbox.com> > -- Full employment can be had with the stoke of a pen. Simply institute a six hour workday. That will easily create enough new jobs to bring back full employment. ------------------------------------------- AGI Archives: https://www.listbox.com/member/archive/303/=now RSS Feed: https://www.listbox.com/member/archive/rss/303/21088071-c97d2393 Modify Your Subscription: https://www.listbox.com/member/?member_id=21088071&id_secret=21088071-2484a968 Powered by Listbox: http://www.listbox.com
