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Related Experiment Video

Updated: May 4, 2026

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
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The evolution of phenotypic correlations and "developmental memory".

Richard A Watson1, Günter P Wagner, Mihaela Pavlicev

  • 1Natural Systems Group, ECS/Institute for Life Sciences/Institute for Complex Systems Simulation, University of Southampton, Southampton, SO17 1BJ, United Kingdom. R.A.Watson@soton.ac.uk.

Evolution; International Journal of Organic Evolution
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PubMed
Summary
This summary is machine-generated.

Developmental networks evolve associative memory, storing past phenotypes. This allows them to recall, reconstruct, and generalize traits, influencing evolutionary trajectories.

Keywords:
Adaptationassociative learningevo-devoevolvability

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Area of Science:

  • Evolutionary developmental biology
  • Systems biology
  • Computational evolution

Background:

  • Developmental processes create trait correlations, influencing phenotype distribution.
  • Natural selection can modify these developmental constraints and correlations over time.

Purpose of the Study:

  • To investigate how past selective environments shape phenotypes in complex developmental systems.
  • To explore the evolution of recurrent nonlinear ontogenetic interaction networks.

Main Methods:

  • Simulating the evolution of gene regulatory networks under various selective scenarios.
  • Analyzing the emergent properties of these evolved networks.

Main Results:

  • Evolved networks exhibit associative memory, storing and recalling past phenotypes.
  • Networks can reconstruct complete phenotypes from partial or corrupted inputs.
  • Networks demonstrate generalization, creating novel trait combinations.

Conclusions:

  • Natural selection on developmental correlations parallels associative learning in neural networks.
  • Development facilitates the evolution of high-fitness phenotypes by enabling memory and generalization.
  • The capacity for developmental evolution changes over evolutionary time.