ArticleClinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology2021
EEG event related potentials in sustained, focused and divided attention tasks: Potential biomarkers for cognitive impairment in HIV patients.
Article in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Triangular Wave tACS Improves Working Memory Performance by Enhancing Brain Activity in the Early Stage of Encoding.Neuroscience bulletin · 2025Trial
- Elevated inflammation in people with HIV is associated with aberrant neural oscillations serving selective attention.Journal of neuroinflammation · 2026Article
- Differences in resting state and task-based EEG measures between patients with major depressive disorder and healthy controls.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2025Article
- Functional alteration of divided attention in people living with HIV based on a task-fMRI study.Frontiers in neuroscience · 2025Article
- EEG and ERP biosignatures of mild cognitive impairment for longitudinal monitoring of early cognitive decline in Alzheimer's disease.PloS one · 2024Article
- Application status and prospects of multimodal EEG-fMRI in HIV-associated neurocognitive disorders.Frontiers in neurology · 2024Review
- A new perspective on HIV: effects of HIV on brain-heart axis.Frontiers in cardiovascular medicine · 2023Review
- Psychological and Electrophysiological Correlates of Word Learning Success.Psychology in Russia : state of the art · 2021Article
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Authors and funding
10 authors.
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Abstract
objectivesThe objective of this study was to assess the usability of event-related-potentials (ERPs) during sustained, focused, and divided attention tasks as biomarkers for cognitive decline in HIV patients.
methodsEEG was acquired using a mobile/wireless 9-channel system in 39 persons with HIV, with well-controlled immune function and 63 healthy control participants (HCs) during three ERP tasks: sustained attention, focused attention, and divided attention.
resultsThe HIV-group evidenced smaller late positive potential (LPP) and larger P200 amplitudes across the tasks compared to the HC group. P200 amplitude was correlated (r = 0.56) with the estimated duration of infection. Both groups showed higher P200 and LPP amplitudes in response to infrequent stimuli; this effect was not significantly different between groups. In the sustained attention task, the HIV-group showed significantly slower reaction time than controls while maintaining the same level of accuracy. In the divided attention task, the HIV-group showed a trend towards faster/less accurate responses.
conclusionsHIV seropositive participants receiving anti-retroviral treatment (ART) demonstrated significantly larger P200 amplitude during three different attention tasks. This may reflect attentional deficits characterized by over-attending to non-target/distracting stimuli. SIGNIFICANCE: These findings demonstrate the potential benefits of EEG-ERP metrics derived from attention tasks as neurocognitive biomarkers for HIV. This approach may reveal underlying causes of attentional deficits in HIV patients.
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