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Sex differences in the effect of articulatory or spatial dual-task interference during navigation
Deborah Saucier1, Miles Bowman, Lorin Elias
1Department of Psychology, University of Saskatchewan, S7N 5A5, Saskatchewan, Canada.
Brain and Cognition
|November 11, 2003
Summary
Women utilize landmark navigation strategies more effectively due to a reliance on linguistic information, which is impaired by articulatory interference. Men
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Behavior
Background:
- Sex differences exist in spatial navigation strategies, with women favoring landmark-based approaches.
- The underlying mechanisms for this observed sex dimorphism in navigation remain unclear.
Purpose of the Study:
- To investigate the influence of articulatory and spatial interference on navigation strategies in men and women.
- To explore the role of linguistic information processing in sex-based navigation differences.
Main Methods:
- Seventy-nine undergraduates performed a matrix navigation task with nameable symbols.
- Participants received either landmark-based or Euclidean-based navigation instructions.
- Articulatory or spatial interference was applied during the navigation task.
Main Results:
- Articulatory interference selectively impaired women's navigation performance, irrespective of instruction type.
- Men's navigation performance was not differentially affected by the interference types.
- Women demonstrated superior recognition of task symbols post-navigation.
Conclusions:
- Women appear to rely more heavily on linguistic information during navigation compared to men.
- This reliance on verbal encoding may explain the selective impairment observed under articulatory interference.
- Findings suggest distinct cognitive strategies underpin navigation behavior in males and females.