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Different Types of Survey-Based Environmental Representations: Egocentric vs. Allocentric Cognitive Maps.
Maria Kozhevnikov1,2, Jyotika Puri1
1Department of Psychology, National University of Singapore, 9 Arts Link, Singapore 117572, Singapore.
Brain Sciences
|May 27, 2023
Summary
This study reveals two distinct spatial representations: egocentric (using path integration) and allocentric (using map-based navigation). Navigational strategies directly influence how we form mental maps of environments.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Spatial Cognition
Background:
- Environmental representations are crucial for navigation.
- Previous research suggested different strategies but lacked clear differentiation.
- Understanding these distinctions is key to cognitive mapping.
Purpose of the Study:
- To demonstrate distinct egocentric and allocentric survey-based environmental representations.
- To provide evidence that these representations are formed by different navigational strategies: path integration and map-based navigation, respectively.
- To investigate the underlying mechanisms of spatial representation formation.
Main Methods:
- Participants traversed an unfamiliar route.
- Experiment 1: Disorientation task to assess landmark recall.
- Experiment 2: Spatial working memory task during object localization.
Main Results:
- A double dissociation was observed between navigational strategies and representation types.
- Egocentric representation users were impaired by disorientation, indicating reliance on path integration.
- Allocentric representation users were impaired by spatial working memory tasks, suggesting map-based navigation.
Conclusions:
- Path integration, combined with egocentric landmark processing, forms a unique egocentric survey-based representation.
- Map-based navigation underlies allocentric survey-based representations.
- This research establishes distinct navigational strategies and their corresponding spatial representations.
Keywords:
egocentric cognitive mapegocentric landmark processingmap-based navigationpath integrationsurvey-based environmental representationsMore Related Videos
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