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Updated: Sep 20, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Caregiving behaviors and early cognitive development as related to ordinal position in preterm infants
Insights
Firstborn preterm infants receive more responsive care and stimulation from caregivers compared to later-born infants. This difference correlates with higher developmental scores in firstborns, impacting preterm infant development.
Area of Science:
- Developmental Psychology
- Neonatal Care
- Family Studies
Background:
- Preterm infants often face developmental challenges.
- Sibling presence can influence infant caregiving dynamics.
- Understanding early transactional differences is crucial for preterm infant outcomes.
Purpose of the Study:
- To investigate differences in caregiving transactions for preterm infants with and without siblings.
- To compare the developmental trajectories of firstborn versus later-born preterm infants.
- To analyze the impact of sibling presence on maternal responsiveness and stimulation.
Main Methods:
- Naturalistic home observations of 54 preterm infants and their caregivers at 1, 3, and 8 months of age.
- Assessment of caregiving interactions, including responsiveness and stimulation.
- Comparison of Gesell developmental scores between firstborn and later-born preterm infants.
Main Results:
- At 1 month, caregiving for firstborn and later-born preterm infants was similar.
- By 3 and 8 months, firstborn preterm infants received significantly more responsive care and stimulation from mothers.
- Firstborn preterm infants experienced more social transactions overall and achieved higher Gesell developmental scores.
Conclusions:
- Sibling presence influences caregiving dynamics for preterm infants by 3 months of age.
- Firstborn preterm infants benefit from increased maternal responsiveness and stimulation, leading to better developmental outcomes.
- Findings suggest that early social and interactive environments play a key role in preterm infant development.
Abstract:
Naturalistic home observations of 54 preterm infants and their caregivers were made when the infants were 1, 3 and 8 months of age. Differences were found in the kinds of everyday transactions which occur with preterm infants raised with and without siblings. At 1 month of age the care of firstborn and later-born infants was similar in most ways. At 3 months and 8 months firstborn infants clearly received more responsive care and more stimulation from their mothers than later-born infants. Furthermore, the firstborn infant received more social transactions from anybody. Firstborn preterm infants obtained higher Gesell developmental scores than later-born infants, replicating results reported with infant test performance of full-term infants.
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