Caregiver Faces During Naturalistic Infant Crying

dc.contributor.authorTuza, Alexander
dc.contributor.schoolSchool of Psychology
dc.date.issued2022
dc.descriptionThis item is only available electronically.en
dc.description.abstractCaregiver-infant communications are often dominated by facial expressions, considered essential in maintaining mutual affect and coordinating emotional co-regulation (Gianino & Tronick, 1988; Trevarthen & Aitken, 2001). Despite infants being well studied by psychology, many of the observations made in controlled experiments or qualitative studies have yet to be examined outside of psychology laboratories. To this end, this study aimed to explore (1) the face presentation behaviours of caregivers interacting with their crying infants, and (2) the patterns of facial emotional expressions they used while doing so. Secondary analysis was undertaken on the SAYCam Dataset (Sullivan et al., 2021), comprising three infants and over 477 hours of infant-perspective, head-mounted videocamera footage. Infant cries were identified using Seewave in R, and manually verified as crying. Facial expressions were detected and analysed using iMotions integrated Affectiva AFFDEX, then manually reviewed for false positives and extended by coding for additional variables. Mixed effects models were used to account for random variance. Results of the first two models suggest that while caregivers did not present their faces differently during crying compared to non-crying periods, less face presentation was found before crying. The second two models did not find a general pattern of caregiver emotional expressions towards infants during crying. Different levels of positive valence were observed across crying periods, and different patterns of emotion categories against cry pitch. Taken together, these results suggest infant-caregiver interactions are far less typical, and each dyadic relationship far more individual, than is often observed in controlled experiments. Keywords: infants, intersubjectivity, emotional expressions, crying, fussingen
dc.description.dissertationThesis (B.PsychSc(Hons)) -- University of Adelaide, School of Psychology, 2022
dc.identifier.urihttps://hdl.handle.net/2440/141525
dc.provenanceThis electronic version is made publicly available by the University of Adelaide in accordance with its open access policy for student theses. Copyright in this thesis remains with the author. This thesis may incorporate third party material which has been used by the author pursuant to Fair Dealing exceptions. If you are the author of this thesis and do not wish it to be made publicly available, or you are the owner of any included third party copyright material you wish to be removed from this electronic version, please complete the take down form located at: http://www.adelaide.edu.au/legals
dc.subjectHonours; Psychologyen
dc.titleCaregiver Faces During Naturalistic Infant Cryingen
dc.typeThesisen

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