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Experiential pleasure deficits in the prodrome: A study of emotional experiences in individuals at ultra-high risk for psychosis and recent-onset schizophrenia.

 Kyungun Jhunga  ;  Jin Young Park  ;  Yun Young Song  ;  Jee In Kang  ;  Eun Lee  ;  Suk Kyoon An 
 COMPREHENSIVE PSYCHIATRY, Vol.68 : 209-216, 2016 
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Adolescent ; Adult ; Anhedonia*/physiology ; Cross-Sectional Studies ; Emotions*/physiology ; Female ; Humans ; Male ; Pleasure/physiology ; Prodromal Symptoms* ; Psychotic Disorders/diagnosis ; Psychotic Disorders/epidemiology ; Psychotic Disorders/psychology* ; Risk Factors ; Schizophrenia*/diagnosis ; Schizophrenia*/epidemiology ; Schizophrenic Psychology* ; Self Report ; Young Adult
BACKGROUND: Previous studies report deficits in noncurrent but not current pleasure experience in schizophrenia, but little is known about pleasure experiences of the prodrome. This study investigated noncurrent and current pleasure experiences and its relationship with neurocognitive function and self-esteem in ultra-high risk (UHR) for psychosis and recent-onset schizophrenia (ROSPR).
METHODS: Twenty-four UHR, 25 ROSPR and 42 normal controls completed the physical and social anhedonia scales for noncurrent emotional experience and the laboratory-based assessment of valence and arousal evoked by positive, neutral and negative emotional stimuli for current emotional experience. Relationships of current and noncurrent emotional experience, episodic memory and self-esteem were investigated.
RESULTS: For ROSPR, noncurrent pleasure, but not current pleasure evoked by positive stimuli, was diminished. Noncurrent anhedonia in ROSPR was related to episodic memory deficits and low self-esteem. In UHR subjects, both noncurrent pleasure and current pleasure to positive and neutral stimuli were diminished. Noncurrent anhedonia in UHR was not associated with episodic memory nor self-esteem. For arousal, ROSPR patients showed higher arousal than UHR subjects to positive stimuli.
CONCLUSIONS: Findings indicate the presence of experiential hedonic deficits during the prodrome phase. Diminished noncurrent pleasure reports exist in ROSPR, which seems to be associated with cognitive deficits and low self-concept. Future research is needed to probe into further underlying mechanisms.
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Jee In(강지인) ORCID logo https://orcid.org/0000-0002-2818-7183
Park, Jin Young(박진영) ORCID logo https://orcid.org/0000-0002-5351-9549
An, Suk Kyoon(안석균) ORCID logo https://orcid.org/0000-0003-4576-6184
Lee, Eun(이은) ORCID logo https://orcid.org/0000-0002-7462-0144
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