ArticlePsychological trauma : theory, research, practice and policy2024
Working memory performance is related to childhood trauma but not psychotic-like experiences in a nonpsychiatric sample.
Article in Psychological trauma : theory, research, practice and policy, 2024. 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
objectiveThis project seeks to clarify the impact of childhood trauma and psychotic-like experiences (PLEs) on working memory (WM) and explore gender differences in these relationships. The effect of childhood trauma on WM performance has yet to be explored in individuals with PLEs, despite consistent associations between trauma, psychosis spectrum symptoms, and WM performance.
methodIn 466 undergraduates, positive PLEs (Prodromal Questionnaire) and trauma (Childhood Trauma Questionnaire) were examined to determine contributions to WM performance on a spatial n-back task. We conducted hierarchical linear regressions on the total sample and stratified by gender to examine the effects of childhood trauma, positive PLEs, and their interaction on WM performance. Supplemental analyses explored attenuated negative and disorganized symptoms.
resultsControlling for age, there were no significant main effects of positive PLEs, childhood trauma, their interaction, or three-way interaction including gender in predicting WM. After stratifying by gender, childhood trauma was significantly associated with poorer WM in females only. Post hoc analyses revealed that in the full sample, physical neglect predicted WM performance and was a trend for females, while sexual abuse trended toward predicting WM in males. Supplemental analyses of attenuated negative and disorganized symptoms revealed childhood trauma significantly predicted WM in the full sample and females only for negative symptoms.
conclusionsFemales who have experienced childhood trauma may be at greater risk for WM problems, irrespective of co-occurring PLEs, suggesting that cognitive difficulties may be partially attributable to history of trauma. These findings have potential implications for intervention strategies in trauma-exposed individuals. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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