The mediating role of maternal responsiveness in some longer term effects of postnatal depression on infant development |
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Authors: | Jeannette Milgrom Doreen T Westley Alan W Gemmill |
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Institution: | aParent-Infant Research Institute, Department of Clinical and Health Psychology, Heidelberg Repatriation Hospital, 300 Waterdale Road, Heidelberg West, Vic. 3081, Australia;bDepartment of Psychology, School of Behavioural Science, University of Melbourne, Melbourne, Vic. 3010, Australia |
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Abstract: | We hypothesized a mediating role for low maternal responsiveness in certain child developmental deficits found previously to be associated with postnatal depression. Forty depressed inpatients and 48 control (non-depressed) mothers and their infants were followed until 42 months postpartum. Mother–infant interactions were impaired at 6 months postpartum in the depressed group. Subsequent cognitive deficits were found in children's Full Scale IQ on the Wechsler Preschool Primary Scale of Intelligence (Revised) at 42 months of age. Statistical modeling of the mediation hypothesis confirmed that these effects were overwhelmingly explained by lowered maternal responsiveness at 6 months. Similarly, increased temperamental difficulties were apparent in children of depressed mothers but were not correlated with maternal responsiveness. Male infants of depressed mothers were disproportionately vulnerable (compared to females) to impaired cognitive abilities associated with maternal depression. The data concur with previous work and provide empirical support for the theoretical prediction that early disturbances of the mother–infant interaction will mediate some developmental deficits in the children of depressed mothers. |
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Keywords: | Postnatal depression Mother– infant interaction IQ Mediation |
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