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The Association Between Persistence and Change in Early Childhood Behavioural Problems and Preschool Cognitive
Stephanie D'Souza1,2,3, Lisa Underwood4,5, Elizabeth R Peterson6,4
1School of Psychology, The University of Auckland, Auckland, New Zealand. s.dsouza@auckland.ac.nz.
Insights
Persistent behavioral issues in preschoolers are linked to cognitive delays. This study highlights the increased risk of language, literacy, and executive function problems in children with ongoing behavioral difficulties.
Area of Science:
- Developmental Psychology
- Child Psychiatry
- Cognitive Science
Background:
- The relationship between behavioral and cognitive challenges is recognized.
- Limited research exists on how persistent or changing behavioral difficulties impact cognitive development in early childhood.
Purpose of the Study:
- To examine the association between persistent and changing behavioral problems from ages 2 to 4.5 years and cognitive outcomes at 4.5 years.
- To investigate the risk of cognitive delays in children with varying trajectories of behavioral difficulties.
Main Methods:
- Utilized data from a large New Zealand birth cohort (n=5885).
- Categorized children based on the Strengths and Difficulties total problems score at ages 2 and 4.5 years into groups: no difficulties, improved behavior, concurrent difficulties, and persistent difficulties.
- Assessed cognitive outcomes including receptive language, early literacy, and executive control at 4.5 years.
Main Results:
- Children with concurrent and persistent behavioral difficulties showed a higher risk of delays in specific cognitive domains compared to those with no difficulties.
- These children were also more likely to experience comorbid delays across multiple cognitive domains.
- Behavioral trajectories significantly predicted cognitive outcomes.
Conclusions:
- Persistent and concurrent behavioral difficulties during the preschool years are significant risk factors for cognitive delays.
- Early identification and intervention for behavioral problems may be crucial for mitigating risks of cognitive impairment.
- Understanding these links is vital for comprehensive child development support.
Abstract:
The link between behavioural and cognitive difficulties is well established. However, research is limited on whether persistence and change in behavioural difficulties relates to cognitive outcomes, particularly during preschool. We used a large New Zealand birth cohort to investigate how persistence and change in serious behavioural problems from ages 2 to 4.5 years related to measures of cognitive delay at 4.5 years (n = 5885). Using the Strengths and Difficulties total problems score at each time point, children were categorised as showing no difficulties, improved behaviour, concurrent difficulties, and persistent difficulties. Cognitive measures assessed included receptive language, early literacy ability, and executive control. Our results showed that children with concurrent and persistent behavioural difficulties were at a greater risk of showing delays within specific cognitive domains relative to children with no difficulties and were also more likely to show comorbid delays across multiple cognitive domains.
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