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Aberrantly flattened responsivity to emotional pictures in paranoid schizophrenia

Authors
 Eun Lee  ;  Jae-Jin Kim  ;  Kee Namkoong  ;  Suk Kyoon An  ;  Jeong-Ho Seok  ;  Yu Jin Lee  ;  Jee In Kang  ;  Jae Hyuk Choi  ;  Taekyong Hong  ;  Jong Hee Jeon  ;  Hong Shick Lee 
Citation
 PSYCHIATRY RESEARCH-NEUROIMAGING, Vol.143(2-3) : 135-145, 2006 
Journal Title
PSYCHIATRY RESEARCH-NEUROIMAGING
ISSN
 0925-4927 
Issue Date
2006
MeSH
Adult ; Affective Symptoms/psychology* ; Arousal* ; Attention* ; Diagnosis, Differential ; Emotions* ; Female ; Humans ; Male ; Pattern Recognition, Visual* ; Reference Values ; Schizophrenia/diagnosis ; Schizophrenia, Paranoid/diagnosis ; Schizophrenia, Paranoid/psychology* ; Schizophrenic Psychology
Keywords
Schizophrenia ; Emotional responsivity ; Positive emotion ; Negative emotion ; Arousal ; Valence
Abstract
To investigate the nature of emotional experience in schizophrenia, we examined emotional responses to affective stimuli. Twenty-one outpatients with schizophrenia (9 paranoid, 12 nonparanoid) and 20 normal controls rated the arousal and valence that they experienced from the presentation of 60 pictures. Schizophrenia patients displayed less emotional responsivity to the positive stimuli and they displayed diverse responsivity to the negative stimuli, which depended upon arousal level. Further analysis, using schizophrenia subtype, indicated that nonparanoid patients reported increased negative responsivity and decreased positive responsivity, regardless of arousal level. However, paranoid schizophrenia patients showed enhanced self-reported experiences of emotion to the low arousing stimuli and diminished responsivity to the high arousing stimuli. This pattern was robust to the negative stimuli. These findings suggest that paranoid schizophrenia patients might suffer from aberrantly flattened responses to negative emotional stimuli, and that this may account for paranoid tendency and secondary social isolation in paranoid schizophrenia.
Full Text
http://www.sciencedirect.com/science/article/pii/S0165178105003033
DOI
10.1016/j.psychres.2005.09.011
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jae Jin(김재진) ORCID logo https://orcid.org/0000-0002-1395-4562
Namkoong, Kee(남궁기) ORCID logo https://orcid.org/0000-0003-1400-8057
An, Suk Kyoon(안석균) ORCID logo https://orcid.org/0000-0003-4576-6184
Lee, Hong Shick(이홍식)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/109022
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