Cultural and biomedical correlates of neonatal behavior

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Updated: Oct 23, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

C G Coll, C Spekoski, B M Lester

    Developmental Psychobiology
    |March 1, 1981
    PubMed

    Insights

    Puerto Rican infants show distinct behavioral patterns compared to Black and Caucasian infants, particularly in response to stimulation. Biomedical factors significantly influence neonatal behavior differently across these ethnic groups.

    Area of Science:

    • Neonatal development
    • Behavioral pediatrics
    • Cross-cultural psychology

    Background:

    • The Brazelton Neonatal Behavioral Assessment Scale (BNBAS) is a key tool for evaluating infant behavior.
    • Understanding ethnic variations in neonatal behavior is crucial for early intervention and care.
    • Previous research has indicated potential differences in infant behavior across diverse populations.

    Purpose of the Study:

    • To compare the neonatal behavior of Puerto Rican, Black, and Caucasian infants using the Brazelton Neonatal Behavioral Assessment Scale.
    • To investigate the influence of biomedical variables on the observed behavioral differences.

    Main Methods:

    • Administered the Brazelton Neonatal Behavioral Assessment Scale to 24 healthy, full-term, 2-day-old neonates from each of three ethnic groups: Puerto Rican, Black, and Caucasian.
    • Conducted comparative analyses on 8 Brazelton scale summary scores.
    • Utilized multiple regression analysis to examine the correlation between biomedical variables and neonatal behavior.

    Main Results:

    • Puerto Rican infants exhibited lower habituation scores and higher orientation scores compared to Black and Caucasian infants.
    • Puerto Rican infants demonstrated a greater ability to maintain organized behavior with increasing stimulation.
    • Biomedical variables significantly correlated with 6 Brazelton scores in Puerto Rican infants, 1 in Caucasian infants, and none in Black infants.

    Conclusions:

    • Neonatal behavior, as assessed by the Brazelton scale, shows significant ethnic variations.
    • The impact of biomedical factors on neonatal behavior is population-specific, highlighting synergistic effects.
    • These findings underscore the importance of considering cultural and biomedical contexts in neonatal behavioral assessments.

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