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Updated: Jun 3, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Neonatal Behavioral Assessment Scale as a predictor of cognitive development and IQ in full-term infants: a 6-year
Josefa Canals1, Carmen Hernández-Martínez, Griselda Esparó
1Research Center for Behavioral Assessment (CRAMC), Department of Psychology, Universitat Rovira i Virgili, Tarragona, Spain. josefa.canals@urv.cat
Insights
Neonatal self-regulation behaviors strongly predict infant development and intelligence up to age six. The Neonatal Behavior Assessment Scale (NBAS) can identify these crucial early developmental indicators in healthy newborns.
Area of Science:
- Developmental Psychology
- Neonatal Behavioral Science
- Pediatric Neurodevelopment
Background:
- Early childhood development is influenced by various factors.
- Neonatal behavior assessment offers a window into potential developmental trajectories.
- Predictive markers in infancy can inform early intervention strategies.
Purpose of the Study:
- To assess the predictive power of neonatal behaviors on infant development.
- To examine the relationship between newborn behavior and cognitive abilities at 6 years.
- To validate the Neonatal Behavior Assessment Scale (NBAS) for predicting long-term outcomes.
Main Methods:
- Longitudinal study of 80 full-term newborns from 3 days to 6 years.
- Neonatal behavior assessed using the Neonatal Behavior Assessment Scale (NBAS).
- Infant development evaluated with Bayley Scales (4, 12 months) and child intelligence with Wechsler Scales (6 years).
Main Results:
- Neonatal irritability predicted mental development at 12 months.
- Self-regulation behaviors predicted psychomotor development (4, 12 months) and intelligence quotient (6 years).
- Neonatal orientation predicted visomotor and attention skills.
Conclusions:
- Neonatal self-regulation behaviors are robust predictors of infant development and intelligence.
- The NBAS is a valuable tool for identifying developmental potential in healthy infants.
- Early behavioral observations can guide understanding of long-term child development.
Aim:
To evaluate the predictive capacity of neonatal behaviour on infant mental and psychomotor development at 4 and 12 months, and infant intelligence at 6 years.
Method:
Eighty full-term newborns were followed from 3 days until 6 years. Neonatal behaviour was assessed by the Neonatal Behavior Assessment Scale (NBAS) at 3 days postpartum, infant mental and psychomotor development was assessed by the Bayley Scales for Infant Development at 4 and 12 months, and child intelligence was assessed by the Wechsler Preschool and Primary Scale of Intelligence at 6 years.
Results:
Neonatal general irritability was the predictor of mental development at 12 months. Self-regulation behaviours were predictors of psychomotor development at 4 and 12 months and verbal and total intelligence quotient at 6 years. Neonatal orientation was a predictor of performance Wechsler subtests related to visomotor abilities and attention.
Conclusions:
Neonatal self-regulation behaviours were the best predictors of infant development and intelligence. We suggest that the NBAS could be a useful tool to observe behaviours related to later development in healthy infants.
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