ArticlePsychological trauma : theory, research, practice and policy2026
The longitudinal association of adverse events and working memory among preschoolers: A random-intercept cross-lag analysis.
Article in Psychological trauma : theory, research, practice and policy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivePast research examining the relation between adversity and working memory (WM) has found mixed results and has been limited by methodological issues (e.g., cross-sectional studies, limited measurement of adversity). The present study examined how adverse life events may impact WM among preschoolers who live in financially underresourced families and communities longitudinally over the course of 1 year.
methodThe sample included 325 children (aged 3-5 at baseline), recruited because of their increased risk of exposure to high levels of adversity, and their primary caregivers. Children completed WM tasks and caregivers reported on their child's exposure to adverse events in the past 6 months across three time points, each time point occurring 6 months apart. Associations between adverse life events and WM over time were explored using a random-intercept cross-lagged panel model.
resultsNo relations between preschoolers' adverse event exposure and WM (
conclusionResults indicated that at the individual level, when controlling for stable covariates, frequency of adverse life event exposure and WM abilities were unrelated to subsequent frequency of adverse event exposure and WM abilities. Findings suggest that WM may continue to develop typically, in the preschool years, despite exposure to adverse life events. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
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