[FRIAM] Morphogenisis

[Gary Schiltz]

First of all, it's just a metaphor (ducking, the shoe barely missing my
head) :-)

Second of all, that description of animal development sure sounds to me
like "following a script".

On Sat, May 8, 2021 at 2:23 PM <thompnickson2 at gmail.com> wrote:

> This struck me:
>
>
>
> When animals develop, they don’t follow a script. Instead, responding to
> their environment, the cells negotiate and feel their way toward a final
> form. A fertilized egg divides, and divides again, creating a hollow ball
> of cells called a blastula; genes instruct these cells to release
> chemicals, and other cells, reacting to those chemical concentrations,
> decide to migrate elsewhere or to develop into specific types of tissue.
> Other influences—oxygen, nutrients, hormones, sometimes toxins—further
> shape gestation.
> https://www.newyorker.com/magazine/2021/05/10/persuading-the-body-to-regenerate-its-limbs?utm_source=nl&utm_brand=tny&utm_mailing=TNY_Daily_050821&utm_campaign=aud-dev&utm_medium=email&bxid=5bd678d924c17c104801f684&cndid=40835928&hasha=1dc6f15a30be2d4712fae5f0e5a9a679&hashb=5e4befc88214fadc869224d7cb34d55f51451bc7&hashc=0c6ef6b7bc8221288e1f4a4ca0116d78a21ebdbe47949488640c7c54c93120fb&esrc=AUTO_PRINT&utm_term=TNY_Daily
>
>
>
> First, note the reliance on psychological terms.  This is the sort of
> passage that would stimulate my teasing Hywel with, “So you see, Hywel,
> psychology really IS the mother of all sciences.”  And don’t any of you
> DARE to come back at me with, “It’s just a metaphor.”
>
>
>
> Second, which of these two models encapsulates more closely what you
> wizards mean by computation.  Is carrying out an algorithm  more like
> “computation” or is “building a limb”? Is a salamander’s limb “computed”?
> If so, who computes it, or is that a violation of the language of
> computation.   I know.  Fools rush in where wise men fear to tread.
>
>
>
> Your loyal fool,
>
>
>
> Nic
>
> Nick Thompson
>
> ThompNickSon2 at gmail.com
>
> https://wordpress.clarku.edu/nthompson/
>
>
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