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Hindsight 20/20: The future of laterality research.

Georgina Donati1,2, Gillian S Forrester1

  • 1Department of Psychological Sciences, Birkbeck University of London, London, UK.

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|February 3, 2021
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Summary

Laterality research shows ancient brain biases persist in humans. Further study is needed to understand how these brain biases develop and impact cognitive abilities over time.

Keywords:
Lateralitydevelopmentevolution

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Area of Science:

  • Neuroscience
  • Evolutionary Psychology
  • Developmental Psychology

Background:

  • Recent advances in laterality research have broadened theoretical frameworks and investigative methods.
  • Comparative studies suggest ancient functional and anatomical brain biases are conserved in modern humans.
  • The developmental trajectory and cognitive contributions of these biases remain incompletely understood.

Purpose of the Study:

  • To emphasize the necessity of an evolutionary framework for understanding human brain development and behavior.
  • To integrate motor-sensory behavior within the broader context of a developing cognitive system.

Main Methods:

  • Review of recent literature in laterality research.
  • Comparative analysis of functional and anatomical brain biases across species and developmental stages.
  • Theoretical framing integrating evolutionary principles with developmental psychology.

Main Results:

  • Confirmation of the persistence of ancient brain biases in contemporary human populations.
  • Identification of gaps in knowledge regarding the developmental unfolding of these biases.
  • Highlighting the importance of an evolutionary perspective for future research.

Conclusions:

  • Human brain biases have deep evolutionary roots and are observable in modern populations.
  • Further research should adopt an evolutionary framework to elucidate the developmental and cognitive roles of laterality.
  • Motor-sensory behavior should be considered a fundamental component of cognitive development.