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@ARTICLE{Bloch:912548,
      author       = {Bloch, Carola and Tepest, Ralf and Jording, Mathis and
                      Vogeley, Kai and Falter-Wagner, Christine M.},
      title        = {{I}ntrapersonal synchrony analysis reveals a weaker
                      temporal coherence between gaze and gestures in adults with
                      autism spectrum disorder},
      journal      = {Scientific reports},
      volume       = {12},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {FZJ-2022-05721},
      pages        = {20417},
      year         = {2022},
      abstract     = {The temporal encoding of nonverbal signals within
                      individuals, referred to as intrapersonal synchrony (IaPS),
                      is an implicit process and essential feature of human
                      communication. Based on existing evidence, IaPS is thought
                      to be a marker of nonverbal behavior characteristics in
                      autism spectrum disorders (ASD), but there is a lack of
                      empirical evidence. The aim of this study was to quantify
                      IaPS in adults during an experimentally controlled real-life
                      interaction task. A sample of adults with a confirmed ASD
                      diagnosis and a matched sample of typically-developed adults
                      were tested (N = 48). Participants were required to
                      indicate the appearance of a target invisible to their
                      interaction partner nonverbally through gaze and pointing
                      gestures. Special eye-tracking software allowed automated
                      extraction of temporal delays between nonverbal signals and
                      their intrapersonal variability with millisecond temporal
                      resolution as indices for IaPS. Likelihood ratio tests of
                      multilevel models showed enlarged delays between nonverbal
                      signals in ASD. Larger delays were associated with greater
                      intrapersonal variability in delays. The results provide a
                      quantitative constraint on nonverbal temporality in
                      typically-developed adults and suggest weaker temporal
                      coherence between nonverbal signals in adults with ASD. The
                      results provide a potential diagnostic marker and inspire
                      predictive coding theories about the role of IaPS in
                      interpersonal synchronization processes.},
      cin          = {INM-3},
      ddc          = {600},
      cid          = {I:(DE-Juel1)INM-3-20090406},
      pnm          = {5251 - Multilevel Brain Organization and Variability
                      (POF4-525)},
      pid          = {G:(DE-HGF)POF4-5251},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {36437262},
      UT           = {WOS:000889218700005},
      doi          = {10.1038/s41598-022-24605-8},
      url          = {https://juser.fz-juelich.de/record/912548},
}