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Visual context processing in bipolar disorder: a comparison with schizophrenia

Overview of attention for article published in Frontiers in Psychology, January 2013
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Title
Visual context processing in bipolar disorder: a comparison with schizophrenia
Published in
Frontiers in Psychology, January 2013
DOI 10.3389/fpsyg.2013.00569
Pubmed ID
Authors

Eunice Yang, Duje Tadin, Davis M. Glasser, Sang Wook Hong, Randolph Blake, Sohee Park

Abstract

Anomalous perception has been investigated extensively in schizophrenia, but it is unclear whether these impairments are specific to schizophrenia or extend to other psychotic disorders. Recent studies of visual context processing in schizophrenia (Tibber et al., 2013; Yang et al., 2013) point to circumscribed, task-specific abnormalities. Here we examined visual contextual processing across a comprehensive set of visual tasks in individuals with bipolar disorder and compared their performance with that of our previously published results from schizophrenia and healthy participants tested on those same tasks. We quantified the degree to which the surrounding visual context alters a center stimulus' appearance for brightness, size, contrast, orientation and motion. Across these tasks, healthy participants showed robust contextual effects, as indicated by pronounced misperceptions of the center stimuli. Participants with bipolar disorder showed contextual effects similar in magnitude to those found in healthy participants on all tasks. This result differs from what we found in schizophrenia participants (Yang et al., 2013) who showed weakened contextual modulations of contrast but intact contextual modulations of perceived luminance and size. Yet in schizophrenia participants, the magnitude of the contrast illusion did not correlate with symptom measures. Performance on the contrast task by the bipolar disorder group also could not be distinguished from that of the schizophrenia group, and this may be attributed to the result that bipolar patients who presented with greater manic symptoms showed weaker contrast modulation. Thus, contrast gain control may be modulated by clinical state in bipolar disorder. Stronger motion and orientation context effects correlated with worse clinical symptoms across both patient groups and especially in schizophrenia participants. These results highlight the complexity of visual context processing in schizophrenia and bipolar disorder.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 59 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 2 3%
Singapore 1 2%
Unknown 56 95%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 14 24%
Researcher 10 17%
Student > Bachelor 8 14%
Student > Master 5 8%
Student > Doctoral Student 3 5%
Other 10 17%
Unknown 9 15%
Readers by discipline Count As %
Neuroscience 17 29%
Psychology 14 24%
Medicine and Dentistry 6 10%
Agricultural and Biological Sciences 3 5%
Pharmacology, Toxicology and Pharmaceutical Science 1 2%
Other 4 7%
Unknown 14 24%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 November 2015.
All research outputs
#14,759,250
of 22,719,618 outputs
Outputs from Frontiers in Psychology
#15,999
of 29,525 outputs
Outputs of similar age
#175,339
of 280,759 outputs
Outputs of similar age from Frontiers in Psychology
#649
of 969 outputs
Altmetric has tracked 22,719,618 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
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