ArticleSchizophrenia research2014
Prolonged temporal interaction for peripheral visual processing in schizophrenia: evidence from a three-flash illusion.
Article in Schizophrenia research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- The common variants implicated in microstructural abnormality of first episode and drug-naïve patients with schizophrenia.Scientific reports · 2017Trial
- Alpha peak frequency affects visual performance beyond temporal resolution.Imaging neuroscience (Cambridge, Mass.) · 2024Article
- The Triple-Flash Illusion Reveals a Driving Role of Alpha-Band Reverberations in Visual Perception.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017Article
- Beta/Gamma Oscillations and Event-Related Potentials Indicate Aberrant Multisensory Processing in Schizophrenia.Frontiers in psychology · 2016Article
- Reduced contextual effects on visual contrast perception in schizophrenia and bipolar affective disorder.Psychological medicine · 2015Article
- An eye-tracking investigation of intentional motion perception in patients with schizophrenia.Journal of psychiatry & neuroscience : JPN · 2015Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundCoherent perception of the visual world requires orderly processing of spatially and temporally distributed visual information across the visual field. The organization of this visual information is impaired in schizophrenia. We previously found that visual temporal integration in patients is prolonged, using flashes presented to the central fovea. In this study, we investigated this temporal interaction in both the fovea and fairly far out in the peripheral visual field.
methodsWe used a 'three-flash' illusion paradigm in which two spatially-coincident light pulses (of 1 ms each) are perceived by healthy individuals as one, two or three flashes depending on the time interval between the pulses. In each trial, two light pulses were presented in the fovea or 34° out in the right visual field. The inter-stimulus pulse interval (ISI) ranged from 30 to 310 ms. The task for patients (n=28) and controls (n=26) was to indicate the number of flashes (one, two or three) perceived after each two-pulse presentation.
resultsFor the controls, the peak of the three-flash illusion was shifted to longer ISIs (150 ms) in the periphery compared to the fovea (110 ms). For the patients, the three-flash illusion was greater and occurred at longer ISIs (270 ms in the periphery and 190 ms at the fovea).
conclusionCompared to the central visual field, the range of temporal interactions in the periphery is prolonged to a greater extent in schizophrenia. This exacerbated temporal expansion in peripheral vision suggests a coarse temporal resolution for visual and cognitive organization in this mental disorder.
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