期刊
DEVELOPMENTAL COGNITIVE NEUROSCIENCE
卷 63, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dcn.2023.101302
关键词
Child-parent relationships; Social processing; Epigenetics; Interpersonal neural synchrony; Social neuroscience; Oxytocin
This study found that interpersonal neural synchrony (INS) is prevalent during child-parent interactions and is associated with other biological markers of social functioning. Specifically, higher INS during competition was related to lower child oxytocin receptor gene methylation (OXTRm), while greater behavioral attunement during competition and cooperation was associated with higher parent OXTRm. Children's self perceived communication skill showed opposite associations with parent and child OXTRm.
Interpersonal neural synchrony (INS) occurs when neural electrical activity temporally aligns between individuals during social interactions. It has been used as a metric for interpersonal closeness, often during naturalistic child parent interactions. This study evaluated whether other biological correlates of social processing predicted the prevalence of INS during child-parent interactions, and whether their observed cooperativity modulated this association. Child-parent dyads (n = 27) performed a visuospatial tower-building task in cooperative and competitive conditions. Neural activity was recorded using mobile electroencephalogram (EEG) headsets, and experimenters coded video-recordings post-hoc for behavioral attunement. DNA methylation of the oxytocin receptor gene (OXTRm) was measured, an epigenetic modification associated with reduced oxytocin activity and socioemotional functioning. Greater INS during competition was associated with lower child OXTRm, while greater behavioral attunement during competition and cooperation was associated with higher parent OXTRm. These differential relationships suggest that interpersonal dynamics as measured by INS may be similarly reflected by other biological markers of social functioning, irrespective of observed behavior. Children's self perceived communication skill also showed opposite associations with parent and child OXTRm, suggesting complex relationships between children's and their parents' social functioning. Our findings have implications for ongoing developmental research, supporting the utility of biological metrics in characterizing interpersonal relationships.
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