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Impaired mixed emotion processing in the right ventrolateral prefrontal cortex in schizophrenia: an fMRI study

Overview of attention for article published in BMC Psychiatry, December 2017
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Title
Impaired mixed emotion processing in the right ventrolateral prefrontal cortex in schizophrenia: an fMRI study
Published in
BMC Psychiatry, December 2017
DOI 10.1186/s12888-017-1558-x
Pubmed ID
Authors

Ádám György Szabó, Kinga Farkas, Csilla Marosi, Lajos R. Kozák, Gábor Rudas, János Réthelyi, Gábor Csukly

Abstract

Schizophrenia has a negative effect on the activity of the temporal and prefrontal cortices in the processing of emotional facial expressions. However no previous research focused on the evaluation of mixed emotions in schizophrenia, albeit they are frequently expressed in everyday situations and negative emotions are frequently expressed by mixed facial expressions. Altogether 37 subjects, 19 patients with schizophrenia and 18 healthy control subjects were enrolled in the study. The two study groups did not differ in age and education. The stimulus set consisted of 10 fearful (100%), 10 happy (100%), 10 mixed fear (70% fear and 30% happy) and 10 mixed happy facial expressions. During the fMRI acquisition pictures were presented in a randomized order and subjects had to categorize expressions by button press. A decreased activation was found in the patient group during fear, mixed fear and mixed happy processing in the right ventrolateral prefrontal cortex (VLPFC) and the right anterior insula (RAI) at voxel and cluster level after familywise error correction. No difference was found between study groups in activations to happy facial condition. Patients with schizophrenia did not show a differential activation between mixed happy and happy facial expression similar to controls in the right dorsolateral prefrontal cortex (DLPFC). Patients with schizophrenia showed decreased functioning in right prefrontal regions responsible for salience signaling and valence evaluation during emotion recognition. Our results indicate that fear and mixed happy/fear processing are impaired in schizophrenia, while happy facial expression processing is relatively intact.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 42 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 42 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 10 24%
Student > Master 9 21%
Student > Doctoral Student 5 12%
Researcher 4 10%
Student > Bachelor 3 7%
Other 1 2%
Unknown 10 24%
Readers by discipline Count As %
Psychology 10 24%
Neuroscience 6 14%
Medicine and Dentistry 4 10%
Nursing and Health Professions 3 7%
Agricultural and Biological Sciences 2 5%
Other 1 2%
Unknown 16 38%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 June 2018.
All research outputs
#18,578,649
of 23,011,300 outputs
Outputs from BMC Psychiatry
#3,938
of 4,746 outputs
Outputs of similar age
#327,466
of 439,767 outputs
Outputs of similar age from BMC Psychiatry
#62
of 76 outputs
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