A dynamic developmental systems approach to emotional self-regulation reveals effects of preterm birth

Yu Wei Chua, Lorena Jiménez Sánchez, Lorna Ginnell, Victoria Ledsham, Sinéad O’Carroll, Jill Hall, Ralf F. A. Cox, James P. Boardman, Sue Fletcher-Watson, Jonathan Delafield-Butt

Research output: Working paperWorking Paper/Preprint

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Abstract

Emotional self-regulation involves different systems (such as motor, attentional and cognitive) interacting in time to influence emotional behaviour and physiology. We investigated differences in emotional self-regulation during the still-face paradigm in 111 9-month-old infants (61 term; 50 preterm, <33 weeks of gestation), in the amount of emotional self-regulatory behaviours, as well as the micro-level (obtained using recurrence quantification analysis) and macro-level behavioural dynamics (differences under repeated stress). Preterm birth was associated with fewer repetitive movements, and lower gestational age increased this effect. Unlike that of term-born infants, the behaviour of preterm-born infants changed under repeated stress, leading to fewer object-oriented attentional distraction strategies, fewer repetitive movements, and greater oral-tactile self-comforting strategies. No differences in micro-level behavioural dynamics, or socially-oriented regulatory behaviours were found. Prematurity results in greater regulatory “brakes” on emotional expression with repetitive movements, and emotional self-regulatory capacities may be more vulnerable to
the nature of environmental stress.
Original languageEnglish
Number of pages91
DOIs
Publication statusPublished - 17 Jul 2023

Funding

The Theirworld Edinburgh Birth Cohort study is funded by the charity Theirworld (www.theirworld.org) and is carried out in the University of Edinburgh MRC Centre for Reproductive Health (MRC G1002033). YWC was supported by a University of Strathclyde Capita-Strategic Technology PhD Studentship (PI: Jonathan Delafield-Butt) and the University of Strathclyde University Scholarship. YWC’s investigation work acquiring motor and behavioural data through the Theirworld Edinburgh Birth Cohort Study was enabled by the Scottish Neurological Research Fund (funded by RS Macdonald and the Chief Scientist Office). LJ-S is supported by the University of Edinburgh Wellcome Trust Translational Neuroscience 4-year PhD programme (Grant No. 108890/Z/15/Z)

Keywords

  • emotion regulation
  • self-regulation
  • still-face paradigm
  • recurrence quantification analysis
  • emotional development
  • preterm birth

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