neoteny
Let an agent explain neoteny and its relation to paedomorphosis and heterochrony, relay examples in salamanders, dogs and humans with hypotheses attributed from evolutionary biology sources, describe mechanisms, and distinguish neoteny from progenesis, from delayed maturation and from popular uses of the term.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain neoteny and its relation to paedomorphosis and heterochrony, relay examples in salamanders, dogs and humans with hypotheses attributed from evolutionary biology sources, describe mechanisms, and distinguish neoteny from progenesis, from delayed maturation and from popular uses of the term.
The retention of juvenile features in the adult form of an organism, a kind of heterochrony in which somatic development slows relative to sexual maturation, seen in the axolotl that keeps its gills, in domestic dogs whose breeds retain puppy-like traits, and, as argued by some researchers, in human evolution where adults resemble juvenile apes; neoteny overlaps with paedomorphosis, the broader retention of ancestral juvenile traits.
What it is for: Not applicable; a developmental pattern.
It can be explain the concept; relay examples and hypotheses; describe mechanisms; distinguish related concepts.
Distinguishing features
Juvenile traits in adults
Heterochrony
Slowed somatic development
Evolutionary significance
What it looks like
Not a visible object; adults with juvenile features, such as the axolotl.
Physical character
term coined: 1885 year - Julius Kollmann
axolotl: retains gills and aquatic form note
dog breeds: retain juvenile skull shape and behaviour note
How it is recognised
Adults retaining juvenile traits
Axolotl, neoteny in dogs, neoteny in humans, paedomorphosis
Progenesis is early sexual maturation; delayed maturation is different; popular uses are loose
Related models
is a kind of - in registry terms
overlaps with - the retention of juvenile traits
is exemplified by - the classic case
is contrasted with - early maturation
In practice
Families and kinds
neoteny in salamanders such as the axolotl
neoteny in domestic animals such as dogs
proposed neoteny in human evolution
neoteny in insects and other invertebrates
paedomorphosis as the broader category
Standards and regulation
No regulation
Failure modes and hazards
Presenting the human neoteny hypothesis as settled
Confusing neoteny with progenesis or paedomorphosis
Popular misuse of the term
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Understand What neoteny is.
Science.
Definition
Definition.
Definition
Definition.
- What is neoteny, and how does it relate to paedomorphosis, heterochrony and progenesis? definition
- Is the question about the concept, an animal, human evolution or popular usage? boundary
Examples
Examples.
Examples
Examples.
- How do the axolotl, dog breeds and other cases show neoteny? definition
- Which entry fits the specific case? action
Biology Mechanisms.
Science.
Mechanisms
Mechanisms.
Mechanisms
Mechanisms.
- How do hormones such as thyroid hormone and genetic changes produce neoteny? provenance
- Which references are standard? provenance
Evolution
Evolutionary role.
Evolution
Evolution.
- How does neoteny contribute to evolutionary novelty and domestication? provenance
- Which sources are cited? provenance
Humans Human neoteny.
Attribution.
Hypothesis
The hypothesis.
Hypothesis
Hypothesis.
- What is the human neoteny hypothesis, from Bolk to Gould, and how is it assessed, with positions attributed? provenance
- Is the presentation attributed and not settled? boundary
Domestication
Domestication.
Domestication
Domestication.
- How is neoteny discussed in dog and self-domestication hypotheses, with positions attributed? provenance
- Which entry fits domestication syndrome? action
Context History and culture.
Context.
History
History.
History
History.
- How did Kollmann, de Beer and Gould shape the concept? provenance
- Which entry fits the history of developmental biology? action
Culture
Culture.
Culture
Culture.
- How is neoteny invoked in design, animation and popular culture? provenance
- Which entry fits cuteness? action
What the second pass must settle
- Should paedomorphosis and neoteny in dogs be separate primary entries?
- How should evolutionary biology sources be linked?
- The registry entry has merged aliases naming the broader concept and specific cases; should they be split off?