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In the Light of Evolution Volume VI: Brain and Behavior (2013) / Chapter Skim
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Epilogue: A TANGLED MULTILAYERED WEB
Pages 335-336

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From page 335...
... Historically, evolutionary neurobiologists visualized evolutionary changes as transformations between adult forms. This thinking changed with the emergence of evo-devo biology, which was slow to infiltrate neurobiology but is now ascendant (Charvet et al., 2011; Friedrich, 2011; Medina et al., 2011; Sylvester et al., 2011)
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From page 336...
... One can certainly homologize behaviors, be they swimming in snails or math skills in primates, but those behavioral homologies offer only loose predictions about the homology or nonhomology of the underlying neuronal circuits. If neurons can change their behavioral functions over evolutionary time, then homologous behaviors may involve nonhomologous neurons, and nonhomologous behaviors can involve at least a few homologous neurons.
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Key Terms

  • evolutionary changes
  • underlying genes
  • tangled bank
  • similar changes
  • comparing developmental

  • becoming involved
  • homologize behaviors
  • ized evolutionary
  • colleagues argue
  • math skills

  • novel structures
  • loose predictions
  • involve changes
  • developmental studies
  • analogous challenges

  • developmental mechanisms
  • complex networks
  • ing neuronal
  • multiple lineages
  • interacting genes

  • neuroethological studies
  • behavioral functions
  • entire organisms
  • complement studies
  • challenges arise

  • evolutionary change
  • larger web
  • comparative developmental
  • neuronal circuits
  • mechanistic basis


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