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Published on: August 25, 2014
Infant Neuromotor Development and Childhood Problem Behavior
Fadila Serdarevic1,2, Akhgar Ghassabian3, Tamara van Batenburg-Eddes2
1The Generation R Study Group and.
Insights
Infant neuromotor development, particularly muscle tone and sensory observations, predicts later internalizing problems in children. Early assessment can identify infants at risk for emotional difficulties and guide interventions.
Area of Science:
- Developmental psychology
- Pediatric neurology
- Child psychiatry
Background:
- Psychiatric disorders in children and adults may stem from neurodevelopmental origins.
- This study investigates the predictive relationship between infant neuromotor development and behavioral problems in early childhood.
Purpose of the Study:
- To determine if infant neuromotor development predicts internalizing and externalizing behaviors in young children.
- To identify specific neuromotor factors associated with behavioral outcomes.
Main Methods:
- A population-based cohort of 4006 infants in the Netherlands (2002-2006) underwent neuromotor assessment at 2-5 months using an adapted Touwen's Neurodevelopmental Examination.
- Nonoptimal neuromotor development was defined as scores in the highest tertile.
- Child behavior was assessed using the Child Behavior Checklist at ages 1.5, 3, 6, and 10 years by parents (n=3474).
- Generalized linear mixed models were used to analyze associations.
Main Results:
- Infant neuromotor development significantly predicted internalizing problem scores, but not externalizing scores.
- Nonoptimal muscle tone, especially low muscle tone, was associated with higher internalizing scores reported by both mothers and fathers.
- Associations were also found between sensory and other observations and internalizing scores, while high muscle tone and reflexes showed no relationship.
Conclusions:
- Early childhood emotional problems have a neurodevelopmental foundation evident in infancy.
- Infant neuromotor assessment can identify vulnerability to early internalizing symptoms.
- This assessment offers opportunities for timely, targeted interventions to support child mental health.
Background:
Research of adults and school-aged children suggest a neurodevelopmental basis for psychiatric disorders. We examined whether infant neuromotor development predicted internalizing and externalizing problems in young children.
Methods:
In Generation R, a population-based cohort in the Netherlands (2002-2006), trained research assistants evaluated the neuromotor development of 4006 infants aged 2 to 5 months by using an adapted version of Touwen's Neurodevelopmental Examination (tone, responses, and senses and other observations). We defined nonoptimal neuromotor development as scores in the highest tertile. Mothers and fathers rated their children's behavior at ages 1.5, 3, 6, and 10 years with the Child Behavior Checklist (n = 3474, response: 86.7%). The associations were tested with generalized linear mixed models.
Results:
Overall, neuromotor development predicted internalizing scores, but no association was observed with externalizing scores. Nonoptimal muscle tone was associated with higher internalizing scores (mothers' report: β = .07; 95% confidence interval [CI]: 0.01 to 0.13; fathers' report: β = .09, 95% CI: 0.00 to 0.16). In particular, nonoptimal low muscle tone was associated with higher internalizing scores (mothers' report: β = .11; 95% CI: 0.05 to 0.18; fathers' report: β = .13; 95% CI: 0.04 to 0.22). We also observed an association between senses and other observations with internalizing scores. There was no relationship between high muscle tone or reflexes and internalizing scores.
Conclusions:
Common emotional problems in childhood have a neurodevelopmental basis in infancy. Neuromotor assessment in infancy may help identify vulnerability to early internalizing symptoms and offer the opportunity for targeted interventions.
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