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정신분열병 환자에서 귀인에 따른 감정 지각의 신경 기전 |
Won-Jung Choi, MD1, Kyung-Min Park, MD1, Hyeong Rae Lee, MS3,
Jeonghun Ku, PhD2,3, Sun I Kim, MS3 and Jae-Jin Kim, MD, PhD1,2 |
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Abstract |
Objective: Emotional perception involves not simply identification but also attribution of the expressions. A number of functional
neuroimaging studies have investigated the identification of emotional expressions, but emotional perception according to the
goal of attribution remains unclear in patients with schizophrenia.
Method: Fifteen patients with schizophrenia and 16 healthy controls underwent functional MRI while performing 6 different attribution
tasks (happy-certain, happy-uncertain, angry-certain, angry-uncertain, neutral-certain, and neutral-uncertain). Relationships
between signal changes of the dysfunctional regions and clinical symptoms in the patients were examined. Results:In the happy condition, the patient group showed smaller signal changes in the frontal eye field (FEF), and the FEF signal
changes were related to negative symptoms. In the angry condition, the patient group exhibited larger signal changes of the temporal
pole (TP), but smaller ones of the fusiform gyrus and middle temporal gyrus. The TP signal changes had a tendency level of
association with positive symptoms. Conclusion:Patients with schizophrenia could have different impairments in emotional perception in the context of the goal of
attribution according to valence, which could be based on separable neural mechanisms and linked to different clinical symptoms.
(Korean J Schizophr Res 2010;13:50-56) |
Key Words:
Schizophrenia,Emotional perception,Attribution,Frontal eye field,Temporal pole |
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