What question did this study set out to answer?

To examine how basal cardiac vagal tone and vagal tone reactivity correlate with infant temperament during social and attention challenges at twelve weeks of age.

June 1, 1998Child Development

Infant Temperament and Cardiac Vagal Tone: Assessments at Twelve Weeks of Age

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Why the study?

Is there a relationship between temperament and cardiac vagal tone in 12-week-old infants?

Population

60 12-week-old infants

Design

Cross-sectional

Authors

LHLynne C. HuffmanStanford University YBYvonne E. BryanNorthShore University HealthSystem RCRebecca del CarmenDuke Medical Center

Discussion

Member takes

Implication

Association in 12-week-olds should not change practice; hypothesis-generating for vagal tone as early temperament marker.

Key Points

To examine how basal cardiac vagal tone and vagal tone reactivity correlate with infant temperament during social and attention challenges at twelve weeks of age.
Assessed 60 12-week-old infants during a laboratory protocol featuring resting baseline and challenge conditions.
Measured cardiac vagal tone as the amplitude of respiratory sinus arrhythmia calculated from beat-to-beat heart period recordings.
Evaluated temperament via direct laboratory behavioral observations and standardized maternal-report rating scales.
Infants exhibiting higher baseline cardiac vagal tone demonstrated fewer negative behaviors and experienced less behavioral disruption during the experimental tasks.
Infants who suppressed cardiac vagal tone during laboratory challenges were rated by mothers as having longer attention spans and being more easily soothed.

Structured PICO

Is there a relationship between temperament and cardiac vagal tone in 12-week-old infants?

Population

60 12-week-old infants

Outcome

Relations between temperament (evaluated via laboratory observations and maternal ratings) and cardiac vagal tone (measured as the amplitude of respiratory sinus arrhythmia)surrogate

Higher baseline cardiac vagal tone and its dynamic decrease during challenges are associated with better emotional regulation and attention in 12-week-old infants.

Cite This Study

Huffman et al. (1998) studied this question.

synapsesocial.com/papers/6a103ef396ccf43280600728 https://doi.org/10.1111/j.1467-8624.1998.tb06233.x

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