Thread View: sci.med.psychobiology
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Started by Anna R.
Sun, 05 Oct 2003 20:35
Visual imagination without visual experiences...?
Author: Anna R.
Date: Sun, 05 Oct 2003 20:35
Date: Sun, 05 Oct 2003 20:35
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Ave
Have anybody ever make blind person imaging a picture?
It's easy, when one is born with the health eyes and loose this sense later,
but if somebody was born blind and even ligt and color is for him something
completely unknown...?
How to stimulate the parts of the brain, that never have been active...? Did
someone try it anyhow?
If you know anything about it, please tell me. It can be very helpful for
me.
misericordia@siec2000.pl
Re: Visual imagination without visual experiences...?
Author: KP_PC
Date: Mon, 06 Oct 2003 01:39
Date: Mon, 06 Oct 2003 01:39
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Hi, Study the Life experiences of Helen Keller. Ms. Keller was both blind and deaf. She had a =Great= Teacher who fought through the problem you've raised. [I'm Sorry, I don't recall this Teacher's name - can anybody provide it? [I'm presently running late for this night's employment.]] The solution converged upon entailed 'mapping' non-visual stimulation with respect to external reality. For example, 3-D touch sensation of an object was cross-correlated with motor interaction be- tween Ms. Keller and her Teacher. Variations include stuff like holding, and the Student's touching, a feather that's held in front of a Teacher's mouth as the Teacher pronounces words - or the Student's gently touching the throat of the Teacher as the Teacher vocalizes - or holding an object in the Student's hand, and truning it in all directions in 3-D space until its entire 3-D structure is sensed via touch, with the Teacher constantly working to provide cross-correlation via motor interaction [This motor interaction is necessary in order to guide convergence upon Recognitions. For those who have it, these things are discussed in AoK, Ap5 & 6.] Typically, the first break-through to a viable Recognition is quite hard to accomplish, but, once it happens, suc- ceeding recognitions come as a flood [which is nicely demonstrated in the Life of Helen Keller]. Come to think of it, it's not so different from Sighted Learning - only the additional sensory-motor 're-map- ings' are additionally-necessary. Good luck - and be relentlessly-Persistent. ken collins "Anna R." <tutaj@nie.podam.com> wrote in message news:blpv7g$1dj$1@atlantis.news.tpi.pl... | Ave | Have anybody ever make blind person imaging a picture? | It's easy, when one is born with the health eyes and loose this sense later, | but if somebody was born blind and even ligt and color is for him something | completely unknown...? | How to stimulate the parts of the brain, that never have been active...? Did | someone try it anyhow? | If you know anything about it, please tell me. It can be very helpful for | me. | misericordia@siec2000.pl
Re: Visual imagination without visual experiences...?
Author: John H.
Date: Thu, 09 Oct 2003 09:36
Date: Thu, 09 Oct 2003 09:36
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I heard of this many years ago, echolocation in humans, it appears that some to develop the ability and the article below concerns the efforts of certain scientists to make such an ability more readily available. The results looks promising, once again demonstrating the remarkable ability of the sensory corticies to make sense out of something out there even if it aint quite the usual something that evolution had reliably anticipated for the very greater part. Taken together with the forced constraint movement therapy, it raises annoying questions about what brains are doing. The below article is not related directly to your question but it does demonstrates that the blind can form a type of sketchpad of their environment, a probable location for the same being the lateral geniculate nucleus, a relay station on the way to the occiptal cortex which also receives efferents from the same. People who are cortically blind may still have intact lgns, though I suspect any representations created in this region lie below consciousness except for the greater part (hmmm, maybe that where ectopic images come from??). However, I remember reading about one of Nicholas Humphrey's chips, surgically blinded but over time developed an awareness of her environment but only at crude visual level, nonetheless the significant thing here was the gradual improvement over many years. There are also studies indicating that in optic nerve damage spontaneous regeneration can occur, though the possibility of useful connectivity remains a question, the general plasticity and adaptability of the brain (as our modern technology so clear attests), suggests we should not be too surprised by what we may learn tomorrow. Blind 'see with sound' http://news.bbc.co.uk/2/hi/science/nature/3171226.stm "Anna R." <tutaj@nie.podam.com> wrote in message news:blpv7g$1dj$1@atlantis.news.tpi.pl... > Ave > Have anybody ever make blind person imaging a picture? > It's easy, when one is born with the health eyes and loose this sense later, > but if somebody was born blind and even ligt and color is for him something > completely unknown...? > How to stimulate the parts of the brain, that never have been active...? Did > someone try it anyhow? > If you know anything about it, please tell me. It can be very helpful for > me. > misericordia@siec2000.pl > >
Re: Visual imagination without visual experiences...?
Author: KP_PC
Date: Fri, 10 Oct 2003 05:46
Date: Fri, 10 Oct 2003 05:46
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Hi John, The stuff you discuss can be done with respect to =any= Observable energydynamic - even when the energydynamics is not physio- logically-detectable [that is, even when it requires technological assistance]. All it is is TD E/I-minimization governing "supersystem configuration" dynamics as they're discussed in AoK, Ap5. Internally, TD E/I-minimization can 'map' anything to anything - which is Why it's so Important to Honor Truth - Honoring Truth keeps the anything-to-anything capabilities of nervous systems aligned with Reality. "John H." <johnh@faraway.com.au> wrote in message news:3f852c19@dnews.tpgi.com.au... | I heard of this many years ago, echolocation in | humans, it appears that some to develop the | ability and the article below concerns the efforts | of certain scientists to make such an ability | more readily available. The results looks | promising, once again demonstrating the | remarkable ability of the sensory corticies to | make sense out of something out there even if | it aint quite the usual something that evolution | had reliably anticipated for the very greater | part. This is the Observable =generalized= processor nature of our nervous systems, which enables generalized-adaptability, which optimizes Survival. | Taken together with the forced constraint | movement therapy, it raises annoying | questions about what brains are doing. | | The below article is not related directly to your | question but it does demonstrates that the blind | can form a type of sketchpad of their environment, | a probable location for the same being the lateral | geniculate nucleus, a relay station on the way to | the occiptal cortex which also receives efferents | from the same. People who are cortically blind | may still have intact lgns, though I suspect any | representations created in this region lie below | consciousness except for the greater part (hmmm, | maybe that where ectopic images come from??). Be-cause TD E.I-minimization is Necessary, it can only occur as a function of the =whole= remaining neural Topology. | However, I remember reading about one of | Nicholas Humphrey's chips, surgically blinded | but over time developed an awareness of her | environment but only at crude visual level, | nonetheless the significant thing here was the | gradual improvement over many years. There | are also studies indicating that in optic nerve | damage spontaneous regeneration can occur, | though the possibility of useful connectivity | remains a question, the general plasticity and | adaptability of the brain (as our modern tech- | nology so clear attests), suggests we should | not be too surprised by what we may learn | tomorrow. I've got a =lot= of stuff remaining to be shared :-] Cheers, John, ken | Blind 'see with sound' | http://news.bbc.co.uk/2/hi/science/nature/3171226.stm | "Anna R." <tutaj@nie.podam.com> wrote in message | news:blpv7g$1dj$1@atlantis.news.tpi.pl... | > [...]
Re: Visual imagination without visual experiences...?
Author: KP_PC
Date: Fri, 10 Oct 2003 06:00
Date: Fri, 10 Oct 2003 06:00
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Necessary CLARIFICATION below. "KP_PC" <k.p.collins@worldnet.att.net> wrote in message news:DIrhb.175052$3o3.12937101@bgtnsc05-news.ops.worldnet.att.net... | Hi John, | | The stuff you discuss can be done with | respect to =any= Observable energydynamic - | even when the energydynamics is not physio- | logically-detectable [that is, even when it | requires technological assistance]. | | All it is is TD E/I-minimization governing | "supersystem configuration" dynamics as they're | discussed in AoK, Ap5. | | Internally, TD E/I-minimization can 'map' | anything to anything - which is Why it's so | Important to Honor Truth - Honoring Truth keeps | the anything-to-anything capabilities of nervous | systems aligned with Reality. By "technological assistance", above, I was referring to external "technological assistance" - telescopes, microscopes, ampliphers, flash- lights, radio, television, Newspapers, accel- erators, etc. I wasn't addressing stuff like 'implants' or psychoactive-drug use. To be functional, 'implants' =must= preserve remaining neural functionality, and =not= present a condition in which they become 'Dictators' to TD E/I-minimization. If that happens, a 'nervous system' becomes something other than a Nervous System. TD E/I-minimization must be in-there for it to be a Nervous System. | [...] [the rest deleted because this clarification is with respect to my own post - addressing its insufficiency - and not with respect to John's discussion - OK?] kpc
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