Jessica Nicosia

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About

Jessica Nicosia is a cognitive researcher whose work sits at the intersection of digital health, neuropsychology, and methodological rigor. Her primary research focus is on the validity and reliability of remote cognitive testing, particularly within the emerging paradigm of smartphone-based assessments. Her most influential contribution addresses a critical, practical question in this field: whether the variability in device latencies inherent in bring-your-own-device (BYOD) studies significantly impacts cognitive test results. In her highly cited 2022 paper, "To BYOD or not: Are device latencies important for bring-your-own-device (BYOD) smartphone cognitive testing?" (24 citations), Nicosia provides empirical evidence that device-level timing differences can confound reaction-time-based metrics, a cornerstone of many cognitive tasks. This work is pivotal for researchers designing large-scale, decentralized studies, as it offers a clear framework for deciding between BYOD and standardized device protocols. By quantifying these technical confounds, Nicosia’s research directly enhances the methodological integrity of digital phenotyping, ensuring that the push for accessible, large-sample research does not come at the cost of data quality. Her work is essential reading for any scientist navigating the trade-offs of modern, technology-driven cognitive assessment.