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Handedness in Animals and Plants.

Silvia Guerra1, Umberto Castiello1, Bianca Bonato1

  • 1Department of General Psychology (DPG), University of Padova, 35131 Padova, Italy.

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|July 17, 2024
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Summary
This summary is machine-generated.

This study explores handedness, or lateralization, across life forms, from humans to plants. It proposes a comparative approach to understand the functional significance of dominance in aneural organisms like plants.

Keywords:
animalsasymmetrychiralityclimbing plantscomparative biologyhandednesshumanskinematicslateralisation

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Area of Science:

  • Comparative biology
  • Neuroscience
  • Plant science

Background:

  • Lateralization, or the division of labor between brain hemispheres, is a fundamental characteristic of nervous systems.
  • Handedness, a common example of lateralization in humans, is also observed in aneural organisms such as plants.
  • The functional significance of plant dominance remains largely unknown.

Purpose of the Study:

  • To propose a comparative approach for studying handedness across different kingdoms of life.
  • To investigate the potential functional significance of dominance in plants.
  • To bridge the gap in understanding laterality between neural and aneural organisms.

Main Methods:

  • Comparative analysis of existing experimental models and paradigms for studying laterality.
  • Application of established laterality research methods to plant systems.
  • Cross-kingdom comparison of dominance patterns and their potential functional roles.

Main Results:

  • The study outlines a framework for comparative handedness research.
  • It highlights the potential for plant dominance to reflect generalized behavioral asymmetry.
  • It identifies research gaps and proposes avenues for future investigation.

Conclusions:

  • A comparative approach can enhance our understanding of handedness across diverse life forms.
  • Studying plant lateralization may reveal fundamental principles of dominance applicable to all organisms.
  • Further research is needed to elucidate the functional significance of handedness in aneural organisms.