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Updated: Jun 26, 2026

Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads
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Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads

Published on: July 25, 2025

Ants learn geometry and features.

Antoine Wystrach1, Guy Beugnon

  • 1Université de Toulouse, CNRS - UPS (UMR 5161), Centre de Recherches sur la Cognition Animale, F-31062 Toulouse cedex 9, France. wystrach@cict.fr

Current Biology : CB
|January 3, 2009
PubMed
Summary
This summary is machine-generated.

Insects exhibit rotational errors in spatial navigation, similar to vertebrates. This finding challenges the "geometric module" hypothesis and supports a flexible view-based matching strategy in insects.

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Precision Measurements and Parametric Models of Vertebral Endplates
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Precision Measurements and Parametric Models of Vertebral Endplates
10:35

Precision Measurements and Parametric Models of Vertebral Endplates

Published on: September 17, 2019

Area of Science:

  • Neuroscience
  • Animal Behavior
  • Spatial Cognition

Background:

  • Vertebrates demonstrate rotational errors in spatial tasks, using geometric cues.
  • This behavior suggests a specialized brain module for processing geometric information.
  • Rotational errors have been observed across various vertebrate species.

Purpose of the Study:

  • To investigate rotational errors in insects for the first time.
  • To compare insect spatial navigation with vertebrate models.
  • To challenge the existing hypothesis of a dedicated geometric module.

Main Methods:

  • Behavioral experiments with insects in a rectangular arena.
  • Analysis of navigation patterns and error types.
  • Comparison of insect data with established vertebrate navigation studies.

Main Results:

  • Insects demonstrated rotational errors, confounding correct and opposite locations.
  • These errors are consistent with findings in vertebrate species.
  • The results are explained by a view-based matching strategy, not a geometric module.

Conclusions:

  • Rotational errors are not exclusive to vertebrates and occur in insects.
  • Insect spatial navigation can be explained by flexible view-based matching.
  • Challenges the necessity of a dedicated geometric module for spatial orientation.