ArticleNeurotoxicology2026
Adaptation and test-retest reliability of a mobile neurocognitive battery for assessing neurotoxicity in rural children in Bangladesh.
Article in Neurotoxicology, 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
Traditional neurocognitive assessments are generally time-consuming, labor-intensive, and often infeasible in resource-poor research settings. Cost-effective and culturally adaptable mobile neurocognitive test batteries could be ideal for vulnerable populations in low- and middle-income countries (LMICs). NeuroUX is a promising mobile web-based test battery, which has demonstrated reliability and validity in studies of neurological and psychiatric disorders in adults. However, little is known about its cultural adaptability and reliability in rural LMIC populations, particularly in children. A pilot study was conducted to assess the test-retest reliability and cultural adaptability of NeuroUX in rural Bangladeshi children who are exposed to an array of environmental and socioeconomic stressors. The NeuroUX pilot study recruited 80 healthy children aged 10-12 years without any congenital defects, disabilities, or serious past illnesses from the Health Effects of Arsenic Longitudinal Study (HEALS) area in Araihazar, Bangladesh. All the instructions of the tests were translated in Bangla. Participants completed tests in two sessions: one in the morning and one in the afternoon. All participants completed six tests without reporting any discomfort. Moderate to strong test-retest correlations (r = 0.27-0.77, p ≤ 0.026) were observed for reaction time-related variables. Significant correlations were also observed in tests measuring working memory (N-Back 1), information processing speed (Quick Tap 1, Matching Pair), and visual working memory (Memory Matrix). Significant test to retest improvements in Quick Tap 1 and Matching Pair tests (p ≤ 0.002) and non-significant improvements in other tests were observed. Boys showed faster reaction time than girls in all the tests, whereas girls scored significantly higher in Matching Pair and Dot Tap (attention) scores. Overall, expected learning and practice effects for all NeuroUX tests were observed in rural children in Bangladesh. Findings support cultural adaptability and feasibility of NeuroUX, showing potential for broader application in population-based neurotoxicity research in similar LMIC settings.
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