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Updated: Jul 16, 2025
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Morris Water Maze Experiment
Published on: September 24, 2008
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Are there sex differences in spatial reference memory in the Morris water maze? A large-sample experimental study.
Candela Zorzo1,2,3, Jorge L Arias4,5,6, Marta Méndez4,5,6
1Department of Psychology, University of Oviedo, Faculty of Psychology, Plaza Feijoo s/n, 33003, Oviedo, Asturias, Spain. zorzocandela@uniovi.es.
Learning & Behavior
|September 18, 2023
Summary
Male and female rats show distinct spatial learning strategies in the Morris Water Maze (MWM). While males traveled shorter distances, females exhibited faster swimming, indicating varied navigational approaches in this spatial memory task.
Area of Science:
- Neuroscience
- Behavioral Science
- Animal Cognition
Background:
- Sex differences in spatial learning are documented but debated.
- The Morris Water Maze (MWM) is a key tool for assessing spatial memory.
Purpose of the Study:
- To investigate sex-based behavioral differences in rats during MWM habituation and learning.
- To analyze spatial memory strategies in male and female rats.
Main Methods:
- A large cohort of male (n=89) and female (n=85) rats were used.
- Behavior was recorded during habituation (visible platform) and learning (hidden platform) phases in the MWM.
- Key metrics included latency, distance traveled, swimming speed, and spatial distribution.
Main Results:
- Females showed faster initial searching during habituation.
- During learning, males reduced travel distance more effectively than females.
- Both sexes improved target zone exploration, but males spent more time in the pool's center.
Conclusions:
- Spatial learning strategies differ between male and female rats in the MWM.
- Further analysis of path strategies and inclusion of both sexes are crucial for robust and representative spatial learning research.
