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Maternal Substance Use, Unpredictability of Sensory Signals and Child Cognitive Development: An Exploratory Study
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  • Noora Hyysalo,
  • Minna Sorsa,
  • Eeva Holmberg,
  • Riikka Korja,
  • Elysia Davis,
  • Marjo Flykt
Noora Hyysalo
Tampere University

Corresponding Author:noora.hyysalo@tuni.fi

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Minna Sorsa
Tampere University
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Eeva Holmberg
University of Turku
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Riikka Korja
University of Turku
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Elysia Davis
University of Denver
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Marjo Flykt
Tampere University
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Abstract

Both maternal substance use and unpredictability of her sensory signals may affect child development, but no studies have examined them together. We explored the unpredictability, frequency, and duration of maternal sensory signals in 59 mother-child dyads, 34 with and 25 without maternal substance use. We also examined the association between unpredictability of maternal signals and children's cognitive development. Maternal sensory signals were evaluated with videorecorded dyadic free-play interactions at child age of 24 months. Children's cognitive development was evaluated with Bayley-III at 24 months and with WPPSI-III at 48 months. We found no differences in sensory signals between substance-using and non-using mothers. Higher unpredictability of maternal sensory signals was associated with poorer child cognitive and language development at 24 months and with poorer nonverbal reasoning at 48 months. Unpredictability of maternal sensory signals may be a vital parenting aspect shaping children's development, but more research is needed in high-risk groups.
28 Sep 20231st Revision Received
29 Sep 2023Submission Checks Completed
29 Sep 2023Assigned to Editor
03 Oct 2023Reviewer(s) Assigned
28 May 20242nd Revision Received
29 May 2024Submission Checks Completed
29 May 2024Assigned to Editor
04 Jun 2024Review(s) Completed, Editorial Evaluation Pending