ArticlePloS one2013
Reduced crowding and poor contour detection in schizophrenia are consistent with weak surround inhibition.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 23 papers, 1 of them a synthesis that pooled it.
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Who cites it
23 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.
- Atypical Use of Visuospatial Context in Psychotic Psychopathology: A Meta-analysis.Schizophrenia bulletin · 2025Pooled it
- Impaired Contour Object Perception in Psychosis.Biological psychiatry. Cognitive neuroscience and neuroimaging · 2026Article
- Visual integration deficits associated with psychosis are independent of diagnosis.Schizophrenia (Heidelberg, Germany) · 2025Article
- Impaired contour object perception in psychosis.medRxiv : the preprint server for health sciences · 2024Article
- Lower-level oculomotor deficits in schizophrenia during multi-line reading: Evidence from return-sweeps.Quarterly journal of experimental psychology (2006) · 2024Article
- Faster bi-stable visual switching in psychosis.Translational psychiatry · 2024Article
- Stronger tilt aftereffects in individuals diagnosed with schizophrenia spectrum disorders but not bipolar disorder.Schizophrenia research · 2024Article
- Intact and deficient contextual processing in schizophrenia patients.Schizophrenia research. Cognition · 2022Article
- Stronger tilt aftereffects in persons with schizophrenia.Journal of abnormal psychology · 2021Article
- Illusions, Delusions, and Your Backwards Bayesian Brain: A Biased Visual Perspective.Brain, behavior and evolution · 2020Review
- Intact illusory contour formation but equivalently impaired visual shape completion in first- and later-episode schizophrenia.Journal of abnormal psychology · 2019Article
- Correction: Reduced Crowding and Poor Contour Detection in Schizophrenia Are Consistent with Weak Surround Inhibition.PloS one · 2019Article
- Visual Population Receptive Fields in People with Schizophrenia Have Reduced Inhibitory Surrounds.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017Article
- Reduced contextual effects on visual contrast perception in schizophrenia and bipolar affective disorder.Psychological medicine · 2015Article
- Shift toward prior knowledge confers a perceptual advantage in early psychosis and psychosis-prone healthy individuals.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Schizophrenia and the eye.Schizophrenia research. Cognition · 2015Article
- Article
- Multiple forms of contour grouping deficits in schizophrenia: what is the role of spatial frequency?Neuropsychologia · 2014Article
- Late, not early, stages of Kanizsa shape perception are compromised in schizophrenia.Neuropsychologia · 2014Article
- What visual illusions teach us about schizophrenia.Frontiers in integrative neuroscience · 2014Review
Corrections and comments
- Erratum issued
Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundDetection of visual contours (strings of small oriented elements) is markedly poor in schizophrenia. This has previously been attributed to an inability to group local information across space into a global percept. Here, we show that this failure actually originates from a combination of poor encoding of local orientation and abnormal processing of visual context.
methodsWe measured the ability of observers with schizophrenia to localise contours embedded in backgrounds of differently oriented elements (either randomly oriented, near-parallel or near-perpendicular to the contour). In addition, we measured patients' ability to process local orientation information (i.e., report the orientation of an individual element) for both isolated and crowded elements (i.e., presented with nearby distractors).
resultsWhile patients are poor at detecting contours amongst randomly oriented elements, they are proportionally less disrupted (compared to unaffected controls) when contour and surrounding elements have similar orientations (near-parallel condition). In addition, patients are poor at reporting the orientation of an individual element but, again, are less prone to interference from nearby distractors, a phenomenon known as visual crowding.
conclusionsWe suggest that patients' poor performance at contour perception arises not as a consequence of an "integration deficit" but from a combination of reduced sensitivity to local orientation and abnormalities in contextual processing. We propose that this is a consequence of abnormal gain control, a phenomenon that has been implicated in orientation-selectivity as well as surround suppression.
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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.