Influences of environmental stressors on autonomic function in 12-month-old infants: understanding early common pathways to atypical emotion regulation and cognitive performance / Samuel V. WASS in Journal of Child Psychology and Psychiatry, 60-12 (December 2019)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 60-12 (December 2019) . - p.1323-1333 Titre : Influences of environmental stressors on autonomic function in 12-month-old infants: understanding early common pathways to atypical emotion regulation and cognitive performance Type de document : texte imprimé Auteurs : Samuel V. WASS, Auteur ; Celia G. SMITH, Auteur ; Katie R. DAUBNEY, Auteur ; Z.M. SUATA, Auteur ; Kaili CLACKSON, Auteur ; Abdul BEGUM, Auteur ; Farhan U. MIRZA, Auteur Article en page(s) : p.1323-1333 Langues : Anglais (eng) Mots-clés : Environmental noise  arousal  attention  autonomic nervous system  infant Index. décimale : PER Périodiques Résumé : BACKGROUND: Previous research has suggested that children exposed to more early-life stress show worse mental health outcomes and impaired cognitive performance in later life, but the mechanisms subserving these relationships remain poorly understood. METHOD: Using miniaturised microphones and physiological arousal monitors (electrocardiography, heart rate variability and actigraphy), we examined for the first time infants' autonomic reactions to environmental stressors (noise) in the home environment, in a sample of 82 12-month-old infants from mixed demographic backgrounds. The same infants also attended a laboratory testing battery where attention- and emotion-eliciting stimuli were presented. We examined how children's environmental noise exposure levels at home related to their autonomic reactivity and to their behavioural performance in the laboratory. RESULTS: Individual differences in total noise exposure were independent of other socioeconomic and parenting variables. Children exposed to higher and more rapidly fluctuating environmental noise showed more unstable autonomic arousal patterns overall in home settings. In the laboratory testing battery, this group showed more labile and short-lived autonomic changes in response to novel attention-eliciting stimuli, along with reduced visual sustained attention. They also showed increased arousal lability in response to an emotional stressor. CONCLUSIONS: Our results offer new insights into the mechanisms by which environmental noise exposure may confer increased risk of adverse mental health and impaired cognitive performance during later life. En ligne : http://dx.doi.org/10.1111/jcpp.13084 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=412 [article] Influences of environmental stressors on autonomic function in 12-month-old infants: understanding early common pathways to atypical emotion regulation and cognitive performance [texte imprimé] / Samuel V. WASS, Auteur ; Celia G. SMITH, Auteur ; Katie R. DAUBNEY, Auteur ; Z.M. SUATA, Auteur ; Kaili CLACKSON, Auteur ; Abdul BEGUM, Auteur ; Farhan U. MIRZA, Auteur . - p.1323-1333. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 60-12 (December 2019) . - p.1323-1333 Mots-clés : Environmental noise  arousal  attention  autonomic nervous system  infant Index. décimale : PER Périodiques Résumé : BACKGROUND: Previous research has suggested that children exposed to more early-life stress show worse mental health outcomes and impaired cognitive performance in later life, but the mechanisms subserving these relationships remain poorly understood. METHOD: Using miniaturised microphones and physiological arousal monitors (electrocardiography, heart rate variability and actigraphy), we examined for the first time infants' autonomic reactions to environmental stressors (noise) in the home environment, in a sample of 82 12-month-old infants from mixed demographic backgrounds. The same infants also attended a laboratory testing battery where attention- and emotion-eliciting stimuli were presented. We examined how children's environmental noise exposure levels at home related to their autonomic reactivity and to their behavioural performance in the laboratory. RESULTS: Individual differences in total noise exposure were independent of other socioeconomic and parenting variables. Children exposed to higher and more rapidly fluctuating environmental noise showed more unstable autonomic arousal patterns overall in home settings. In the laboratory testing battery, this group showed more labile and short-lived autonomic changes in response to novel attention-eliciting stimuli, along with reduced visual sustained attention. They also showed increased arousal lability in response to an emotional stressor. CONCLUSIONS: Our results offer new insights into the mechanisms by which environmental noise exposure may confer increased risk of adverse mental health and impaired cognitive performance during later life. En ligne : http://dx.doi.org/10.1111/jcpp.13084 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=412

Vocalization and physiological hyperarousal in infant-caregiver dyads where the caregiver has elevated anxiety / Celia G. SMITH in Development and Psychopathology, 35-2 (May 2023)  

Public ISBD [article]  inDevelopment and Psychopathology > 35-2 (May 2023) . - p.459-470 Titre : Vocalization and physiological hyperarousal in infant-caregiver dyads where the caregiver has elevated anxiety Type de document : texte imprimé Auteurs : Celia G. SMITH, Auteur ; Emily J.H. JONES, Auteur ; Tony CHARMAN, Auteur ; Kaili CLACKSON, Auteur ; Farhan U. MIRZA, Auteur ; Sam V. WASS, Auteur Article en page(s) : p.459-470 Langues : Anglais (eng) Mots-clés : anxiety  arousal dysregulation  atypical regulation  parent-infant coregulation  parent-infant relationship Index. décimale : PER Périodiques Résumé : Co-regulation of physiological arousal within the caregiver-child dyad precedes later self-regulation within the individual. Despite the importance of unimpaired self-regulatory development for later adjustment outcomes, little is understood about how early co-regulatory processes can become dysregulated during early life. Aspects of caregiver behavior, such as patterns of anxious speech, may be one factor influencing infant arousal dysregulation. To address this, we made day-long, naturalistic biobehavioral recordings in home settings in caregiver-infant dyads using wearable autonomic devices and miniature microphones. We examined the association between arousal, vocalization intensity, and caregiver anxiety. We found that moments of high physiological arousal in infants were more likely to be accompanied by high caregiver arousal when caregivers had high self-reported trait anxiety. Anxious caregivers were also more likely to vocalize intensely at states of high arousal and produce intense vocalizations that occurred in clusters. High-intensity vocalizations were associated with more sustained increases in autonomic arousal for both anxious caregivers and their infants. Findings indicate that caregiver vocal behavior differs in anxious parents, cooccurs with dyadic arousal dysregulation, and could contribute to physiological arousal transmission. Implications for caregiver vocalization as an intervention target are discussed. En ligne : http://dx.doi.org/10.1017/S095457942100153X Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=503 [article] Vocalization and physiological hyperarousal in infant-caregiver dyads where the caregiver has elevated anxiety [texte imprimé] / Celia G. SMITH, Auteur ; Emily J.H. JONES, Auteur ; Tony CHARMAN, Auteur ; Kaili CLACKSON, Auteur ; Farhan U. MIRZA, Auteur ; Sam V. WASS, Auteur . - p.459-470. Langues : Anglais (eng) in Development and Psychopathology > 35-2 (May 2023) . - p.459-470 Mots-clés : anxiety  arousal dysregulation  atypical regulation  parent-infant coregulation  parent-infant relationship Index. décimale : PER Périodiques Résumé : Co-regulation of physiological arousal within the caregiver-child dyad precedes later self-regulation within the individual. Despite the importance of unimpaired self-regulatory development for later adjustment outcomes, little is understood about how early co-regulatory processes can become dysregulated during early life. Aspects of caregiver behavior, such as patterns of anxious speech, may be one factor influencing infant arousal dysregulation. To address this, we made day-long, naturalistic biobehavioral recordings in home settings in caregiver-infant dyads using wearable autonomic devices and miniature microphones. We examined the association between arousal, vocalization intensity, and caregiver anxiety. We found that moments of high physiological arousal in infants were more likely to be accompanied by high caregiver arousal when caregivers had high self-reported trait anxiety. Anxious caregivers were also more likely to vocalize intensely at states of high arousal and produce intense vocalizations that occurred in clusters. High-intensity vocalizations were associated with more sustained increases in autonomic arousal for both anxious caregivers and their infants. Findings indicate that caregiver vocal behavior differs in anxious parents, cooccurs with dyadic arousal dysregulation, and could contribute to physiological arousal transmission. Implications for caregiver vocalization as an intervention target are discussed. En ligne : http://dx.doi.org/10.1017/S095457942100153X Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=503

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