Neurocognitive development and externalizing problems: the role of inhibitory control deficits from 4 to 6 years
William T Utendale1, Michele Hubert, Arnaud B Saint-Pierre
1Centre for Research in Human Development, Concordia University, Montréal, Québec, Canada.
Insights
Children with poor inhibitory control (IC) show more externalizing problems (EP) in preschool and elementary school. This link between executive dysfunction and behavior issues is consistent across genders, though response patterns differ.
Area of Science:
- Child Psychology
- Neurodevelopmental Disorders
- Cognitive Neuroscience
Background:
- Executive functions are theorized to regulate externalizing problems (EP).
- Little research exists on executive dysfunction and EP in early childhood.
- Prefrontal-striatal circuitry maturation in preschoolers correlates with increased inhibitory control (IC).
Purpose of the Study:
- To examine the developmental relationship between inhibitory control (IC) and externalizing problems (EP) in preschool and early elementary children.
- To investigate how IC performance relates to EP across different age groups and sexes.
Main Methods:
- Utilized the Day/Night and Tapping tasks to assess inhibitory control (IC).
- Examined a cohort of preschool and early elementary school children.
- Analyzed accuracy and response latency on IC tasks in relation to EP levels.
Main Results:
- Children with higher EP made more errors on both IC tasks, irrespective of age or sex.
- Response latencies showed sex-specific associations: boys with high EP had longer Tapping task latencies, unlike girls.
- Aggressive and inattentive behaviors, key aspects of early EP, had weak unique associations with IC performance.
Conclusions:
- Diminished inhibitory control (IC) is associated with elevated externalizing problems (EP) from the preschool years into elementary school for both boys and girls.
- Accuracy and response latency on IC tasks provide distinct insights into the developmental trajectory of IC.
- Findings highlight the early emergence and persistence of the link between executive function deficits and behavioral challenges.
Abstract:
Executive processes have been posited as important regulators of externalizing problems (EP), but there has been little research on the relation between executive dysfunction and EP in early childhood. During the preschool period, maturation of the prefrontostriatal circuitry parallels increases in inhibitory control (IC). Poor IC development could result in elevated levels of aggressive, disruptive, and impulsive behavior. In this investigation, the development of the relation between IC and EP was examined in preschool and early elementary school children using the Day/Night and Tapping tasks. Children with more EP made more incorrect responses on both IC tasks, consistently across age and sex. The associations between EP and response latencies differed across children, however, with longer latencies on the Tapping task being most characteristic for boys with high levels of EP. This association was not apparent for girls. Two prominent aspects of early EP, aggressive and inattentive behavior, showed only weak unique associations with IC performance. These findings imply that diminished IC accompanies elevated EP as early as the preschool years, and that this decrement persists into the elementary school-age years for both girls and boys, and that accuracy and response latency may confer different information about the development of IC.
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