Age-group differences in set-switching and set-maintenance on the Wisconsin Card Sorting Task
Mariette Huizinga1, Maurits W van der Molen
1Department of Psychology, University of Amsterdam, Roetersstraat 15, 1018 WB Amsterdam, The Netherlands. m.huizinga@uva.nl
Developmental Neuropsychology
|May 10, 2007
Summary
Children develop set-switching and set-maintenance abilities on the Wisconsin Card Sorting Task (WCST) at different ages. Executive function (EF) components like working memory, shifting, and inhibition contribute uniquely to these developing WCST skills.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Executive functions (EF) are crucial for cognitive flexibility and goal-directed behavior.
- The Wisconsin Card Sorting Task (WCST) is a widely used measure of executive function, assessing set-shifting and set-maintenance.
- Understanding the developmental trajectory of EF components is essential for characterizing cognitive maturation.
Purpose of the Study:
- To examine developmental changes in set-switching and set-maintenance on the WCST across childhood and adolescence.
- To investigate the contribution of specific executive function components (Working Memory, Shifting, Inhibition) to WCST performance.
- To identify distinct developmental patterns in set-switching and set-maintenance.
Main Methods:
- Performance on the WCST and three executive function tasks (Working Memory, Shifting, Inhibition) was assessed in four age groups: 7, 11, 15, and 21-year-olds.
- Principal component analysis was used to explore the factor structure of WCST performance across age groups.
- Regression analyses examined the predictive relationships between EF components and WCST performance.
Main Results:
- Adult-level set-switching performance was achieved by 11-year-olds, while adult-level set-maintenance was reached by 15-year-olds.
- Factor analysis revealed that set-switching and set-maintenance loaded on separate factors for 7-year-olds, but merged into a single factor for older participants.
- Regression analyses indicated a complex interplay between EF components and WCST abilities, with varying predictive power across age groups.
Conclusions:
- Set-switching and set-maintenance exhibit distinct developmental trajectories, with set-switching maturing earlier than set-maintenance.
- The relationship between executive function components and WCST performance evolves throughout development.
- These findings highlight the nuanced development of cognitive flexibility and executive control during childhood and adolescence.
