# Method: Boundary Precision | Plasmatic Multitudes

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Description: A compact method note on boundary precision, somaesthetics, coherence, morphogenesis, and weakly bounded body design.
Markdown: https://mesmerprism.com/plasmatic-multitudes/project.md
Plain text: https://mesmerprism.com/plasmatic-multitudes/project.txt
BibTeX references: https://mesmerprism.com/plasmatic-multitudes/project.bib
CSL JSON references: https://mesmerprism.com/plasmatic-multitudes/project.references.csl.json

---

Method | Updated May 24, 2026

# Boundary Precision

 Weakly bounded bodies are a somaesthetic design space: the body's edge becomes adjustable
 while coherence stays strong enough for ownership, agency, relation, and many-part form.

## Why this page exists

 This is the compact framework page for collaborators, readers, and future papers. The
 canonical public overview remains the
 [main project page](https://mesmerprism.com/projects/plasmatic-multitudes.html); the longer
 argument lives in the [essay](https://mesmerprism.com/plasmatic-multitudes/essay.html).

## One-sentence claim

 Plasmatic Multitudes treats the body's edge as a design variable: boundary precision can
 change, but coherence must remain strong enough for the body to be located, inhabited,
 addressed, or related through
 ([Shusterman](https://www.interaction-design.org/literature/book/the-encyclopedia-of-human-computer-interaction-2nd-ed/somaesthetics); [Hook et al.](https://doi.org/10.1145/2598510.2598561); [Wagemans et al.](https://doi.org/10.1037/a0029333)) .

 This is why the project does not reduce semi-corporeal avatars to visual style. A soft
 edge matters only when it changes perception, action, contact, agency, trust, or felt
 bodily meaning.

## Conceptual map

 The map deliberately mixes fields because the same body problem recurs in different
 materials. Gestalt grouping and biological motion explain sparse coherence. XR
 embodiment shows why representation matters. Media genealogy supplies transformable and
 spectral body grammars. DiffeoMorph gives a current computational analogy for many-agent
 form. Pain research keeps the translation cautious and testable
 ([Johansson](https://link.springer.com/article/10.3758/BF03212378); [Yee and Bailenson](https://doi.org/10.1111/j.1468-2958.2007.00299.x); [Eisenstein](https://seagullbooks.org/products/on-disney); [Pahng et al.](https://arxiv.org/abs/2512.17129); [Ho et al.](https://doi.org/10.1016/j.jpain.2021.10.009)) .

## Three reusable claims

- Coherence is the mechanism. Soft boundaries work when perceptual binding and sensorimotor trust remain intact.

- Representation is consequential. Once coherence holds, transformed self-representation can alter conduct, self-perception, and relation.

- Boundary precision is a design variable. The body's edge can be staged, tuned, and tested rather than assumed in advance.

## Boundary

 This is not a theory of ghosts, spirituality, loose quantum language, or therapeutic
 certainty. Ghosts, auras, particles, swarms, and fields are useful only when they
 clarify how a transformable body maintains legibility while changing relation,
 perception, or affordance.

 The somaesthetic test is practical: does the transformation preserve enough coherence
 for ownership and trust, does it change relation or felt bodily meaning rather than add
 ornament, and can the change be staged and compared as a design variable?

## Sources

 For the longer argument, continue to the [long essay](https://mesmerprism.com/plasmatic-multitudes/essay.html). For source
 trails, use the [annotated references](https://mesmerprism.com/plasmatic-multitudes/references.html). The background
 [somaesthetics note](https://mesmerprism.com/plasmatic-multitudes/background/somaesthetics.html) remains available as an
 appendix.