What Sleeping Babies Hear: An fMRI Study of Interparental Conflict and Infants’ Emotion Processing
Identifieur interne : 000208 ( Main/Exploration ); précédent : 000207; suivant : 000209What Sleeping Babies Hear: An fMRI Study of Interparental Conflict and Infants’ Emotion Processing
Auteurs : Alice M. Graham ; Philip A. Fisher ; Jennifer H. PfeiferSource :
- Psychological science [ 0956-7976 ] ; 2013.
Abstract
Experiences of adversity in the early years of life alter the developing brain. However, evidence documenting this relationship often focuses on severe stressors and relies on peripheral measures of neurobiological functioning during infancy. The present study employed functional magnetic resonance imaging (fMRI) during natural sleep to examine associations between a more moderate environmental stressor (non-physical interparental conflict), and 6–12 month-old infants’ neural processing of emotional tone of voice. The primary question was whether interparental conflict experienced by infants is associated with neural responses to emotional tone of voice, particularly very angry speech. Results indicated that maternal report of higher interparental conflict was associated with infants’ heightened neural responses to very angry versus neutral speech across several brain regions implicated in emotion and stress reactivity and regulation (including rostral anterior cingulate cortex, caudate, thalamus and hypothalamus) – suggesting that even moderate environmental stress may be associated with brain functioning during infancy.
Url:
DOI: 10.1177/0956797612458803
PubMed: 23538912
PubMed Central: 3674876
Affiliations:
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<front><div type="abstract" xml:lang="en"><p id="P1">Experiences of adversity in the early years of life alter the developing brain. However, evidence documenting this relationship often focuses on severe stressors and relies on peripheral measures of neurobiological functioning during infancy. The present study employed functional magnetic resonance imaging (fMRI) during natural sleep to examine associations between a more moderate environmental stressor (non-physical interparental conflict), and 6–12 month-old infants’ neural processing of emotional tone of voice. The primary question was whether interparental conflict experienced by infants is associated with neural responses to emotional tone of voice, particularly very angry speech. Results indicated that maternal report of higher interparental conflict was associated with infants’ heightened neural responses to very angry versus neutral speech across several brain regions implicated in emotion and stress reactivity and regulation (including rostral anterior cingulate cortex, caudate, thalamus and hypothalamus) – suggesting that even moderate environmental stress may be associated with brain functioning during infancy.</p>
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