Re: "Boy with Incredible Brain"

From: Eliezer S. Yudkowsky (
Date: Wed Mar 22 2006 - 14:28:38 MST

Mitchell Porter wrote:
> Philip Goetz said
>> I don't believe that. The fovea - the only area with enough
>> resolution to read -
>> is projected onto both left and right occipital lobes. If left and
>> right eye were
>> focused on different areas, the signal would overlap in the brain.
> Perhaps it's possible to read interleaved lines of
> So subjectively, what he sees is the superposed
> text and maintain the necessary double
> sum of the two visual inputs. If he can parse
> narrative context, without too much backtracking;
> that image into a bistable figure/ground scene,
> in principle, it's just a novel form of syntactic
> in which the two text-gestalts take turns in the
> processing, like using a memory stack to deal with
> foreground, then he has a perceptual foundation
> nested clauses. Only here there's a Tower-of-Hanoi
> on which the necessary semantic processing can
> problem, so sorting and memory management will
> occur. If the subject of a commissurotomy can learn
> also come into the picture. The heuristics appropriate
> to drive a car, then I have no trouble believing that
> to this unusual problem-domain are not obviously
> someone can speed-read even in a situation of
> relevant to anything else in life, which may help to
> doubled vision. (For one thing, speed-reading
> explain why such "Mentiflex" prodigies don't usually
> in my experience does not involve deep thought
> exhibit ultra-high levels of achievement as adults.
> about the subject matter; this should make it easier.)

                                 About the problem of maintaining
With regards to the foveal focus,
                                 two stacks; the right brain can
his eyes, if offset in exactly the
                                 learn to read, it does so in some
right way, needn't cause words to
                                 left-handed people and also, IIRC,
overlap one another or superpose in
                                 in some cases of *early* brain
his vision; perhaps his left eye,
                                 damage, that is, you can train
as it scans text on the left page
                                 your right brain to read if
of the book, is offset slightly to
                                 you start early enough. So it's
the right in its saccades, so that
                                 possible that both his left brain
the text read by the left eye appears
                                 and right brain are reading
in the right field of vision, which
projects to the left hemisphere.

Eliezer S. Yudkowsky                
Research Fellow, Singularity Institute for Artificial Intelligence

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