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Cognitive and Behavioural Attention in Children with Low-Moderate and Heavy Doses of Prenatal Alcohol Exposure: a Systematic Review and Meta-analysis

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Abstract

Attention problems are thought to be a hallmark feature of prenatal alcohol exposure (PAE). Despite decades of research however, these findings have never been pooled to assess the association between PAE and the different domains of attention functioning. This systematic review and meta-analysis aimed to examine the relationships between low-moderate, binge and heavy PAE with domains of attention functioning (encode, focus, shift, sustain and behavioural) in children. Thirteen studies compared children with PAE to abstinent controls. A significant adverse effect of any PAE on shifting attention (Cohen’s d = -0.61), and a trend towards an adverse effect of heavy PAE on encoding attention (Cohen’s d = -0.79) were identified. Compared to controls, there were trends showing that low-moderate PAE (odds ratio = 1.21) was associated with greater odds of behavioural attention problems. Remaining analyses were limited by insufficient studies or were non-significant. In summary, a vulnerability of higher-level attention skills to PAE was found. Urgent investigation into the effects of low to moderate PAE is needed given the prevalence of this drinking pattern, trends towards behavioural attention problems, the lack of comprehensive and high-quality research and the known impacts of attention difficulties on academic and social development in children.

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Acknowledgements

We would like to acknowledge the authors whose publications have been included in this meta-analysis.

Funding

NHMRC Project Grants 1011070 and 1146635; Senior Research Fellowship 628371 to PJA; Leadership Fellowship 1176077 to PJA. This research was supported by an Australian Government Research Training Program Scholarship to PP and SEC and a Monash Graduate Excellence Scholarship.

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The original conceptualisation for this article was developed by Philippa Pyman and all authors contributed to refinement of the ideas and design of this study. Study screening and data extraction were completed by Philippa Pyman and Simonne Collins. The literature search, data analysis and drafting of the manuscript was conducted by Philippa Pyman and all authors critically revised the work. Supervision was provided by Peter Anderson and Renee Testa.

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Correspondence to Philippa Pyman.

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Pyman, P., Collins, S.E., Muggli, E. et al. Cognitive and Behavioural Attention in Children with Low-Moderate and Heavy Doses of Prenatal Alcohol Exposure: a Systematic Review and Meta-analysis. Neuropsychol Rev 31, 610–627 (2021). https://doi.org/10.1007/s11065-021-09490-8

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  • DOI: https://doi.org/10.1007/s11065-021-09490-8

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