Cited by 184Marine Invertebrate Physiology and EcologyEvolution and Paleontology StudiesEvolution and Genetic Dynamics

The evolution of associative learning: A factor in the Cambrian explosion

Ginsburg, Simona, Jablonka, Eva·2010·Journal of Theoretical Biology

Abstract

The Cambrian explosion is probably the most spectacular diversification in evolutionary history, and understanding it has been a challenge for biologists since the time of Darwin. We propose that one of the key factors that drove this great diversification was associative learning. Although the evolutionary emergence of associative learning required only small modifications in already existing memory mechanisms and may have occurred in parallel in several groups, once this type of learning appeared on the evolutionary scene, it led to extreme diversifying selection at the ecological level: it enabled animals to exploit new niches, promoted new types of relations and arms races, and led to adaptive responses that became fixed through genetic accommodation processes. This learning-based diversification was accompanied by neurohormonal stress, which led to an ongoing destabilization and re-patterning of the epigenome, which, in turn, enabled further morphological, physiological, and behavioral diversification. Our hypothesis combines several previous ideas about the dynamics of the Cambrian explosion and provides a unifying framework that includes both ecological and genomic factors. We conclude by suggesting research directions that would clarify the timing and manner in which associative learning evolved, and the effects it had on the evolution of nervous systems, genomes, and animal morphology.

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Crossref · 10.1016/j.jtbi.2010.06.017

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  • Unlimited Associative Learning (UAL) is proposed by Ginsburg and Jablonka as a transition marker for consciousness.

    “This is similar to the process of Unlimited Associative Learning (UAL) - the ability to group different sensory stimuli into a single compound percept that can be used in learning - proposed in work by Ginsburg and Jablonka as a transition marker for consciousness (Ginsburg and Jablonka 2007a,b, 2010, 2019; Bronfman et al. 2016)”

    From The Measurement Problem of Consciousness (2020) · cites this paper as Ginsburg and Jablonka 2007a,b, 2010, 2019

  • Employing polarized, threshold-like elements in line with McCulloch-Pitts logic may facilitate the early development of multilayer processing structures, including interneurons, re-entrant closed loops and memory circuits capable of learning.

    “This approach may facilitate the early development of multilayer processing structures, including interneurons as a crucial innovation, re-entrant closed loops and memory circuits capable of learning [274,275].”

    From Fundamental constraints to the logic of living systems (2024) · cites this paper as [274]

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Authors
Ginsburg, S., & Jablonka, E.
Affiliations
  • Open University of Israel (IL)
  • Tel Aviv University (IL)
Corresponding author
Jablonka, Eva
Venue
Journal of Theoretical Biology
Publisher
Elsevier BV
Published
2010-09
Volume
266
Issue
1
Pages
11-20
ISSN
0022-5193 (ISSN-L)
OpenAlex
W2162225069
Cited by
184
References
101
Citations by year
2026: 5 · 2025: 13 · 2024: 17 · 2023: 17 · 2022: 20 · 2021: 17 · 2020: 31 · 2019: 14 · 2018: 9 · 2017: 7 · 2016: 8 · 2015: 8 · 2014: 5 · 2013: 8 · 2012: 3
FWCI
2.95
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Theoretical Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Marine Invertebrate Physiology and Ecology
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
Keywords
Cambrian explosion, associative learning, evolutionary diversification, memory mechanisms, diversifying selection, arms race, genetic accommodation, epigenome, nervous system evolution, animal morphology, animal behavior
MeSH terms
Adaptation, Biological, Animals, Association Learning, Behavior, Animal, Biological Evolution, Memory, Nervous System Physiological Phenomena, Phylogeny, Selection, Genetic, Stress, Physiological, Stress, Psychological, Neurotransmitter Agents, Evolution, Molecular, Epigenesis, Genetic, Ecological and Environmental Phenomena

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