Age Three: Milestone in the Development of Cognitive Flexibility
Chufan Wan1, Hui Cai1, Fuhong Li1
1School of Psychology, Jiangxi Normal University, Nanchang 330022, China.
Behavioral Sciences (Basel, Switzerland)
|July 27, 2024
Summary
Cognitive flexibility in three-year-olds is developing, with children over age three showing better rule-switching abilities. This suggests age three is a key milestone for cognitive flexibility and inhibitory control development.
Area of Science:
- Developmental Psychology
- Cognitive Science
Background:
- Preschool children's cognitive flexibility (CF) is well-researched, but its development around age three remains unclear.
- Understanding early childhood cognitive development is crucial for educational and clinical interventions.
Purpose of the Study:
- To investigate the cognitive flexibility (CF) of three-year-olds using a stepwise rule-induction task (sRIT).
- To determine if age three represents a developmental milestone for CF and the role of inhibitory control.
Main Methods:
- A nine-step stepwise rule-induction task (sRIT) was administered to children aged 2.5 to 3.5 years.
- Children were presented with a pair of boxes and received negative feedback to encourage rule switching and implicit inhibition of old rules.
Main Results:
- 81.10% of children successfully completed at least one set of the sRIT.
- Children older than three years demonstrated superior performance compared to those younger than three.
- A positive correlation was found between rule switching and rule generalization, indicating successful inhibition of the previous rule.
Conclusions:
- Age three appears to be a significant milestone in the development of cognitive flexibility.
- Inhibitory control plays a critical role in enabling rule switching during cognitive development.
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