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Related Experiment Video

Updated: May 19, 2026

Assessing Spatial Learning and Memory in Small Squamate Reptiles
08:44

Assessing Spatial Learning and Memory in Small Squamate Reptiles

Published on: January 3, 2017

Spatial memory: are lizards really deficient?

L D Ladage1, T C Roth, A M Cerjanic

  • 1Department of Biology, University of Nevada, mail stop 314, Reno, 1664 N. Virginia Street, Reno, NV 89557, USA. lladage@unr.edu

Biology Letters
|August 31, 2012
PubMed
Summary
This summary is machine-generated.

This study demonstrates spatial memory in the side-blotched lizard (Uta stansburiana) using the Barnes maze. Our findings support the existence of spatial memory in squamate reptiles.

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Area of Science:

  • Comparative Psychology
  • Neuroscience
  • Herpetology

Background:

  • Spatial memory is crucial for survival behaviors in many animal taxa, including invertebrates and mammals.
  • The presence of spatial memory in squamate reptiles (lizards and snakes) is debated, with limited and methodologically criticized evidence.
  • Previous research has yielded conflicting results regarding spatial memory in squamates.

Purpose of the Study:

  • To investigate the existence of spatial memory in the side-blotched lizard (Uta stansburiana).
  • To apply a standardized mammalian spatial memory test, the Barnes maze, to a reptile species.
  • To contribute to understanding the distribution of spatial memory abilities across vertebrate taxa.

Main Methods:

  • The Barnes maze, a well-established tool for assessing spatial learning and memory in mammals, was employed.
  • The side-blotched lizard (Uta stansburiana) was subjected to the Barnes maze paradigm.
  • Behavioral data was collected and analyzed to evaluate spatial memory performance.

Main Results:

  • The study found significant evidence for spatial memory abilities in the side-blotched lizard.
  • The lizards demonstrated the capacity to learn and remember spatial locations within the maze.
  • These results indicate successful application of the Barnes maze in assessing reptile spatial memory.

Conclusions:

  • The side-blotched lizard (Uta stansburiana) possesses spatial memory capabilities.
  • This study supports the presence of spatial memory in squamate reptiles, challenging previous assumptions.
  • The findings help integrate squamate reptiles into the broader understanding of spatial memory evolution in animals.