Emotion categorization perception in schizophrenia in conversations with different social contexts

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	Emotion categorization perception in schizophrenia in conversations with different social contexts
	Huang, Jia4 ; Chan, Raymond C. K.1,2,3 ; Lu, Xiaobin 5; Tong, Zishun 5; C. K. Chan
摘要	Objective: The aim of the present study was to investigate whether the boundaries between the happy and angry emotions of schizophrenia would be influenced by social context and the difference in emotion categorization boundaries between schizophrenia patients and healthy controls. Method: Eighteen patients with schizophrenia and 16 healthy controls were given a forced-choice emotion identification task in which they were required to listen to a series of conversations with different social contexts. The stimuli were linear morphed facial expressions between 'happy' and 'angry' emotions. For each type of social context, the shift point was used as the parameter to estimate when the subjects began to perceive the morphed facial expression as angry. The response slope was used to estimate how abruptly this change in perception occurred. Results: There was no significant difference in the schizophrenia group in the shift point of emotion categorization perception for four categories of conversations occurring in different social contexts. Compared with the healthy controls, the schizophrenia group demonstrated a steeper response slope at the shift point regardless of the conversation type. Conclusion: The patients with schizophrenia were less discriminative in their categorization of emotion perception in conversations with different social contexts. The schizophrenia patients, however, were more alert to angry facial expressions in the process of facial expressions morphing from happy to angry, independent of the social context.; Objective: The aim of the present study was to investigate whether the boundaries between the happy and angry emotions of schizophrenia would be influenced by social context and the difference in emotion categorization boundaries between schizophrenia patients and healthy controls. Method: Eighteen patients with schizophrenia and 16 healthy controls were given a forced-choice emotion identification task in which they were required to listen to a series of conversations with different social contexts. The stimuli were linear morphed facial expressions between 'happy' and 'angry' emotions. For each type of social context, the shift point was used as the parameter to estimate when the subjects began to perceive the morphed facial expression as angry. The response slope was used to estimate how abruptly this change in perception occurred. Results: There was no significant difference in the schizophrenia group in the shift point of emotion categorization perception for four categories of conversations occurring in different social contexts. Compared with the healthy controls, the schizophrenia group demonstrated a steeper response slope at the shift point regardless of the conversation type. Conclusion: The patients with schizophrenia were less discriminative in their categorization of emotion perception in conversations with different social contexts. The schizophrenia patients, however, were more alert to angry facial expressions in the process of facial expressions morphing from happy to angry, independent of the social context.
关键词	emotion identification schizophrenia social interaction
学科领域	变态心理学
	2009
语种	英语
发表期刊	AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY
ISSN	0004-8674
卷号	43 期号:5 页码:438-445
期刊论文类型	Article
收录类别	SCI ; SSCI
WOS记录号	WOS:000265287400006
引用统计	被引频次：20[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.psych.ac.cn/handle/311026/5375
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	C. K. Chan
作者单位	1.Sun Yat Sen Univ, Neuropsychol & Appl Cognit Neurosci Lab, Dept Psychol, Guangzhou 510275, Guangdong, Peoples R China 2.Chinese Acad Sci, Neuropsychol & Appl Cognit Neurosci Lab, Inst Psychol, Beijing 100101, Peoples R China 3.Chinese Acad Sci, Key Lab Mental Hlth, Inst Psychol, Beijing 100101, Peoples R China 4.Sun Yat Sen Univ, Fac Life Sci, Guangzhou 510275, Guangdong, Peoples R China 5.Guangzhou Brain Hosp, Guangzhou, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Huang, Jia,Chan, Raymond C. K.,Lu, Xiaobin,et al. Emotion categorization perception in schizophrenia in conversations with different social contexts[J]. AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY,2009,43(5):438-445.
APA	Huang, Jia,Chan, Raymond C. K.,Lu, Xiaobin,Tong, Zishun,&C. K. Chan.(2009).Emotion categorization perception in schizophrenia in conversations with different social contexts.AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY,43(5),438-445.
MLA	Huang, Jia,et al."Emotion categorization perception in schizophrenia in conversations with different social contexts".AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY 43.5(2009):438-445.

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