ArticleNeuropsychologia2021
Visual search performance in cerebral visual impairment is associated with altered alpha band oscillations.
Article in Neuropsychologia, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Uncovering atypical gaze patterns in cerebral visual impairment: New insights from an exploratory gaze-based analysis.Journal of vision · 2026Article
- Structural and functional attention network connectivity in relation to visual selective attention dysfunction in cerebral visual impairment.Cerebral cortex (New York, N.Y. : 1991) · 2025Article
- CEREBRAL VISUAL IMPAIRMENT: WHEN THE EYES CAN SEE BUT THE BRAIN DOES NOT FIND.Frontiers for young minds · 2025Article
- Article
- The Posterior Dominant Rhythm Remains Within Normal Limits in the Microgravity Environment.Brain sciences · 2024Article
- Emulation of the subjective experience of visual dorsal stream dysfunction: a description of three in depth case studies.Frontiers in human neuroscience · 2024Article
- Altered neural oscillations underlying visuospatial processing in cerebral visual impairment.Brain communications · 2023Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
Individuals with cerebral visual impairment (CVI) often present with deficits related to visuospatial processing. However, the neurophysiological basis underlying these higher order perceptual dysfunctions have not been clearly identified. We assessed visual search performance using a novel virtual reality based task paired with eye tracking to simulate the exploration of a naturalistic scene (a virtual toy box). This was combined with electroencephalography (EEG) recordings and an analysis pipeline focusing on time frequency decomposition of alpha oscillatory activity. We found that individuals with CVI showed an overall impairment in visual search performance (as indexed by decreased success rate, as well as increased reaction time, visual search area, and gaze error) compared to controls with neurotypical development. Analysis of captured EEG activity following stimulus onset revealed that in the CVI group, there was a distinct lack of strong and well defined posterior alpha desynchronization; an important signal involved in the coordination of neural activity related to visual processing. Finally, an exploratory analysis revealed that in CVI, the magnitude of alpha desynchronization was associated with impaired visual search performance as well as decreased volume of specific thalamic nuclei implicated in visual processing. These results suggest that impairments in visuospatial processing related to visual search in CVI are associated with alterations in alpha band oscillations as well as early neurological injury at the level of visual thalamic nuclei.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.