Perceptual grouping in disorganized schizophrenia

Uhlhaas, Peter J.; Phillips, William A.; Mitchell, Gordon; Silverstein, Steven M.

doi:10.1016/j.psychres.2005.10.016

Cited by 149Schizophrenia research and treatmentVisual perception and processing mechanismsHallucinations in medical conditions

Perceptual grouping in disorganized schizophrenia

Uhlhaas, Peter J., Phillips, William A., Mitchell, Gordon, Silverstein, Steven M.·2006·Psychiatry Research

DOI 10.1016/j.psychres.2005.10.016

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Abstract

This study evaluated visual perceptual grouping in schizophrenia to test the hypothesis that the disorganization syndrome in schizophrenia is related to a deficit in cognitive coordination. Perceptual grouping was examined with three psychophysically well-controlled tasks in patients with disorganized schizophrenia (n=11), non-disorganized schizophrenia (n=24), psychotic disorders other than schizophrenia (n=31) and non-psychotic psychiatric disorders (n=35). These measures assessed processing of both concurrent and preceding stimulus context. Deficits in perceptual grouping were observed on all three tasks in disorganized schizophrenia patients. Dysfunctional perceptual grouping mechanisms produced both enhanced and impaired task performance suggesting that the pattern of performance observed was the result of a specific deficit in the grouping of stimulus elements. We interpret these data as further support for the hypothesis that the disorganization syndrome in schizophrenia reflects a widespread deficit in the cognitive coordination of contextually related stimuli, leading to dysfunctional grouping of stimulus features in vision, thought and language.

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Deficits in contour integration have been extensively documented in schizophrenia.
“Deficits in contour integration have been extensively documented in schizophrenia (57,65–67).”
From Visual perception and its impairment in schizophrenia (2008) · cites this paper as [66]
Impairments in visual integration have been linked to increases in disorganized symptoms.
“Impairments in visual integration have been linked to increases in disorganized symptoms (57,66,67), poorer premorbid social functioning (82), presence of childhood trauma in schizophrenia (83), and illness severity and chronicity (84).”
From Visual perception and its impairment in schizophrenia (2008) · cites this paper as [66]

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Authors: Uhlhaas, P. J., Phillips, W. A., Mitchell, G., & Silverstein, S. M.
Affiliations: Goethe University Frankfurt (DE)
Stratheden Hospital (GB)
Cornell University (US)
Corresponding author: Uhlhaas, Peter J.
ORCID: Uhlhaas, Peter J.
Phillips, William A.
Silverstein, Steven M.
Venue: Psychiatry Research
Publisher: Elsevier BV
Published: 2006-12
Volume: 145
Issue: 2-3
Pages: 105-117
ISSN: 0165-1781 (ISSN-L)
DOI: 10.1016/j.psychres.2005.10.016
OpenAlex: W2071638142
Cited by: 149
References: 68
Citations by year: 2026: 6 · 2025: 4 · 2024: 4 · 2023: 1 · 2022: 9 · 2021: 4 · 2020: 5 · 2019: 4 · 2018: 7 · 2017: 6 · 2016: 9 · 2015: 12 · 2014: 12 · 2013: 21 · 2012: 10
FWCI: 4.46
Type: journal article
Language: en
Open access: closed
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations: Psychiatry Research (publishedVersion)
PubMed (publishedVersion)
Topics: Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Life Sciences › Neuroscience › Cognitive Neuroscience › Hallucinations in medical conditions
Keywords: perceptual grouping, disorganized schizophrenia, cognitive coordination, visual perception, stimulus context, psychosis
MeSH terms: Adult, Chronic Disease, Cognition Disorders, Female, Hospitalization, Humans, Language, Male, Perceptual Closure, Perceptual Disorders, Personality Disorders, Psychotic Disorders, Schizophrenia, Disorganized, Severity of Illness Index, Space Perception, Speech Perception, Thinking, Antipsychotic Agents, Visual Perception, Wechsler Scales, Substance-Related Disorders, Diagnostic and Statistical Manual of Mental Disorders

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Perceptual grouping in disorganized schizophrenia

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