Cognitive flexibility in 12-month-old preterm and term infants is associated with neurobehavioural development in
Yuta Shinya1, Masahiko Kawai2, Fusako Niwa2
1Graduate School of Education, The University of Tokyo, Tokyo, Japan. shinya@p.u-tokyo.ac.jp.
Insights
Very preterm infants show delayed oculomotor response shifting, impacting later executive function. Early attention and cognitive development are linked to this infant behavior, highlighting risks for preterm children.
Area of Science:
- Developmental neuroscience
- Pediatric neurology
- Cognitive psychology
Background:
- Preterm children face higher risks for executive functioning deficits, impacting behavior and attention.
- Early cognitive flexibility may predict later executive function, but its development and relation to neurobehavioral outcomes in preterm infants are unclear.
Purpose of the Study:
- To investigate oculomotor response shifting in preterm and term infants at 12 months.
- To examine the relationship between early oculomotor response shifting and later cognitive development and effortful control at 18 months.
Main Methods:
- Longitudinal study involving 27 preterm and 25 term infants.
- Oculomotor response shifting assessed at 12 months.
- General cognitive development and effortful control assessed at 18 months.
Main Results:
- Very preterm infants showed impaired inhibition of perseverative looking at 12 months compared to moderate-to-late preterm and term infants.
- Lower inhibition of perseverative looking correlated with poorer general cognitive development and attentional shifting at 18 months.
Conclusions:
- Atypical oculomotor response shifting in infancy may serve as an early behavioral marker for neurodevelopmental risks in preterm children.
- These findings suggest potential for early identification of attention-related problems in preterm populations.
Abstract:
There is growing evidence that preterm children are at an increased risk of poor executive functioning, which underlies behavioural and attention problems. Previous studies have suggested that early cognitive flexibility is a possible predictor of later executive function; however, how it develops in infancy and relates to the later neurobehavioural outcomes is still unclear in the preterm population. Here, we conducted a longitudinal study to investigate oculomotor response shifting in 27 preterm and 25 term infants at 12 months and its relationship with general cognitive development and effortful control, which is a temperamental aspect closely associated with executive function, at 18 months. We found that moderate to late preterm and term infants significantly inhibited previously rewarded look responses, while very preterm infants did not show significant inhibition of perseverative looking at 12 months. Moreover, lower inhibition of perseverative looking was significantly associated with lower general cognitive development and attentional shifting at 18 months. These findings suggest that the early atypical patterns of oculomotor response shifting may be a behavioural marker for predicting a higher risk of negative neurobehavioural outcomes, including attention-related problems in preterm children.
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