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Differential roles for visuospatial and verbal working memory in situation model construction.
1Department of Psychology, University of Colorado, Boulder 80309-0345, USA. naomi.friedman@colorado.edu
Journal of Experimental Psychology. General
|April 11, 2000
Summary
Cognitive psychology research shows that spatial and causal information in situation models are processed separately. Spatial working memory handles spatial details, while verbal working memory manages causal relationships, indicating distinct cognitive subsystems.
Area of Science:
- Cognitive Psychology
- Psycholinguistics
- Human Memory
Background:
- Situation models represent the meaning of texts, integrating various information types.
- Understanding how different dimensions (spatial, causal) are processed is crucial for cognitive models.
Purpose of the Study:
- To investigate the independent processing of spatial and causal dimensions within situation models.
- To determine the role of working memory subsystems in maintaining these dimensions.
Main Methods:
- Two experiments were conducted using texts with varying spatial and causal demands.
- On-line probes assessed participants' processing of spatial and causal information.
- Measures of spatial and verbal working memory capacity were collected.
Main Results:
- Spatial demands affected spatial measures, while causal demands affected causal measures, showing domain specificity.
- Spatial measures correlated with spatial working memory capacity.
- Causal measures correlated with verbal working memory capacity.
Conclusions:
- Spatial and causal dimensions of situation models are processed and maintained independently.
- Different working memory subsystems (spatial vs. verbal) support these distinct processing dimensions.