Associations Between New Mothers’ Neural Reward Response and Perceptions of Their Own Infant

Fuente: Wiley Open Access
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Autori principali: Kaylin E. Hill, Julia Garon‐Bissonnette, McKenzie N. Greene, Emilia F. Cárdenas, Maya Jackson, Samantha Pegg, Kathryn L. Humphreys, Autumn Kujawa
Natura: Artículo Open Access
Pubblicazione: Wiley 2026
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author Kaylin E. Hill
Julia Garon‐Bissonnette
McKenzie N. Greene
Emilia F. Cárdenas
Maya Jackson
Samantha Pegg
Kathryn L. Humphreys
Autumn Kujawa
author_facet Kaylin E. Hill
Julia Garon‐Bissonnette
McKenzie N. Greene
Emilia F. Cárdenas
Maya Jackson
Samantha Pegg
Kathryn L. Humphreys
Autumn Kujawa
Kaylin E. Hill
Julia Garon‐Bissonnette
McKenzie N. Greene
Emilia F. Cárdenas
Maya Jackson
Samantha Pegg
Kathryn L. Humphreys
Autumn Kujawa
collection Wiley Open Access
contents Associations Between New Mothers’ Neural Reward Response and Perceptions of Their Own Infant Kaylin E. Hill Julia Garon‐Bissonnette McKenzie N. Greene Emilia F. Cárdenas Maya Jackson Samantha Pegg Kathryn L. Humphreys Autumn Kujawa Developmental Psychobiology ABSTRACT Reward responsiveness is a key process in social motivation and may support important caregiver social processes such as caregiver perceptions of their infant. Reward responsiveness is commonly measured at the neural level via the reward positivity (RewP), an event‐related potential derived from electroencephalogram (EEG), in both monetary and social domains. The current study examined whether and to what degree the RewP, in response to monetary and personally salient social reward feedback, relates to mothers’ perceptions of their infant during the early postpartum period (mean = 9.23 weeks post birth). Mothers ( N = 91) completed two reward tasks while continuous EEG was recorded and provided descriptors of their infant's personality. The RewP was measured in response to a novel social incentive delay task (i.e., “winning” allowed participants to view a photo of their own infant) as well as a standard monetary incentive delay task. Both the social RewP and monetary RewP shared positive associations with mothers’ perceptions of their infant (social: β = 0.39, 95% CI [0.07, 0.71], p = 0.016; monetary: β = 0.39, 95% CI [0.07, 0.71], p = 0.017). Together, results suggest mothers’ neural motivational systems are related to how they perceive their child, with implications for understanding caregiver functioning and the caregiver–child relationship as context for child development. 10.1002/dev.70164 http://creativecommons.org/licenses/by-nc-nd/4.0/
doi_str_mv 10.1002/dev.70164
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institution Wiley Open Access
license_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
publishDate 2026
publisher Wiley
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spellingShingle Associations Between New Mothers’ Neural Reward Response and Perceptions of Their Own Infant
Kaylin E. Hill
Julia Garon‐Bissonnette
McKenzie N. Greene
Emilia F. Cárdenas
Maya Jackson
Samantha Pegg
Kathryn L. Humphreys
Autumn Kujawa
Developmental Psychobiology
Associations Between New Mothers’ Neural Reward Response and Perceptions of Their Own Infant Kaylin E. Hill Julia Garon‐Bissonnette McKenzie N. Greene Emilia F. Cárdenas Maya Jackson Samantha Pegg Kathryn L. Humphreys Autumn Kujawa Developmental Psychobiology ABSTRACT Reward responsiveness is a key process in social motivation and may support important caregiver social processes such as caregiver perceptions of their infant. Reward responsiveness is commonly measured at the neural level via the reward positivity (RewP), an event‐related potential derived from electroencephalogram (EEG), in both monetary and social domains. The current study examined whether and to what degree the RewP, in response to monetary and personally salient social reward feedback, relates to mothers’ perceptions of their infant during the early postpartum period (mean = 9.23 weeks post birth). Mothers ( N = 91) completed two reward tasks while continuous EEG was recorded and provided descriptors of their infant's personality. The RewP was measured in response to a novel social incentive delay task (i.e., “winning” allowed participants to view a photo of their own infant) as well as a standard monetary incentive delay task. Both the social RewP and monetary RewP shared positive associations with mothers’ perceptions of their infant (social: β = 0.39, 95% CI [0.07, 0.71], p = 0.016; monetary: β = 0.39, 95% CI [0.07, 0.71], p = 0.017). Together, results suggest mothers’ neural motivational systems are related to how they perceive their child, with implications for understanding caregiver functioning and the caregiver–child relationship as context for child development. 10.1002/dev.70164 http://creativecommons.org/licenses/by-nc-nd/4.0/
title Associations Between New Mothers’ Neural Reward Response and Perceptions of Their Own Infant
topic Developmental Psychobiology
url https://onlinelibrary.wiley.com/doi/10.1002/dev.70164