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Title: Developmental origins of infant stress reactivity profiles: A multi-system approach
Authors: Giesbrecht, Gerald
Rash, Joshua, A.
Thomas, Jenna, C.
Campbell, Tavis, S.
Letourneau, Nicole
Granger, Douglas, A.
Keywords: Fetal programming;Stress reactivity;salivary α-amylase;salivary cortisol;respiratory sinus arrthymia;psychological distress
Issue Date: 8-Mar-2016
Publisher: Wiley
Citation: Rash, J.A., Thomas, J.C., Campbell, T.S., Letourneau, N., Granger, D.A., *Giesbrecht, G.F. & the APrON Study Team. (2016). Developmental origins of infant stress reactivity profiles: A multi-systems approach. Developmental Psychobiology, 58(July), 578-599.
Abstract: Background: This study tested the hypothesis that maternal physiological and psychological variables during pregnancy discriminate between theoretically informed infant stress reactivity profiles. Methods: The sample comprised 254 women and their infants. Maternal mood, salivary cortisol, respiratory sinus arrhythmia (RSA), and salivary α-amylase (sAA) were assessed at 15 and 32 weeks gestational age. Infant salivary cortisol, RSA, and sAA reactivity were assessed in response to a structured laboratory frustration task at 6-months of age. Infant responses were used to classify them into stress reactivity profiles using three different classification schemes: HPA-axis, autonomic, and multi-system. Discriminant function analyses evaluated the prenatal variables that best discriminated infant reactivity profiles within each classification scheme. Results: Maternal stress biomarkers, along with self-reported psychological distress during pregnancy discriminated between infant stress reactivity profiles. Conclusions: These results suggest that maternal psychological and physiological states during pregnancy have broad effects on the development of the infant stress response systems.
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Appears in Collections:Giesbrecht, Gerald

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