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

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Coding location in enclosed spaces: is geometry the principle?

Janellen Huttenlocher¹, Stella F Lourenco

¹Department of Psychology, University of Chicago, Chicago, Illinois, USA. hutt@uchicago.edu

Developmental Science

|November 2, 2007

Summary

This summary is machine-generated.

Human toddlers and animals can locate objects using geometric cues. This study shows toddlers use relative quantity, not just geometry, to identify locations, demonstrating a more general cognitive ability.

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Area of Science:

Cognitive Development
Comparative Psychology
Spatial Navigation

Background:

Animals and human toddlers can reorient and find objects in enclosures after disorientation.
This ability is often attributed to the use of geometric cues, such as wall lengths, to distinguish corners.

Purpose of the Study:

To investigate whether toddlers' spatial reorientation abilities are exclusively geometric or if they involve more general cognitive processes.
To determine if toddlers utilize relative quantity cues in addition to or instead of geometric cues for spatial discrimination.

Main Methods:

Toddlers were tested in a square enclosure to assess their ability to distinguish corners.
The study manipulated the sizes of figures on different walls to serve as cues for corner identification.

Main Results:

Toddlers successfully used the relative sizes of figures on walls to discriminate between different corners.
Evidence suggests toddlers do not rely solely on non-relative features but integrate relative quantity information.

Conclusions:

Toddlers' spatial reorientation is not limited to a modular geometric system.
The findings indicate a more general ability in toddlers to discriminate relative quantity, which is applied to spatial tasks.