Korean J Schizophr Res.  2014 Apr;17(1):36-42. 10.16946/kjsr.2014.17.1.36.

Relationship between Evaluation for the Self and others and Anhedonia in Patients with Schizophrenia

• Kim MK
• Kim ES
• Lee JS
• Kim EJ
• Kim J
• Kim JJ

• KMID: 2288297
• DOI: http://doi.org/10.16946/kjsr.2014.17.1.36

Abstract

OBJECTIVES
The dysfunctional neural networks underlying self-evaluation in schizophrenia are overlapped with the neural structures involved in emotion regulation. The purpose of this study was to investigate the influence of anhedonia on the self-evaluation attitude of patients with schizophrenia.
METHODS
Twenty healthy controls and twenty patients with schizophrenia performed a self-evaluation task, presenting a pair of the face (self, familiar other, and unfamiliar other) and word (negative, neutral, and positive noun) at the same time. Participants were asked to evaluate relevance between the pairs by pressing a corresponding button. Relevance rating scores were compared between the groups and were correlated with the severity of physical and social anhedonia.
RESULTS
Patients evaluated the condition of a self face with a negative word and a familiar face with a negative word to be more relevant than healthy controls. In the patient group, the scores of relevance rating in the condition of an unfamiliar other face with a negative word were positively correlated with the anhedonia scale scores (physical : r=0.486, p=0.030 ; social : r=0.499, p=0.025). There was no correlation between the self-evaluation attitude and the severity of anhedonia.
CONCLUSION
Patients with schizophrenia evaluate themselves badly in only negative circumstances, and anhedonia is not related to self-evaluation, but rather other-evaluation.

Keyword

Schizophrenia; Self-evaluation; Emotion regulation; Anhedonia

MeSH Terms

Anhedonia*
Diagnostic Self Evaluation
Humans
Schizophrenia*

Figure

• 

  Fig. 1. Expected mean scores of relevance rating in patients with schizophrenia and normal controls. A: There was a significant interaction effect of group and face because of the difference in unfamiliar face (t=3.69, p=0.0036). B: There was a significant interaction effect of group and word valence because of the difference in the negative word condition (t=4.92, p＜0.0001).

• 

  Fig. 1. Correlations between the severity of anhedonia and relevance rating. A: In normal controls, there was no significant correlation between anhedonia scale scores and relevance ratings in [unfamiliar other face-negative word] condition. Anhedonia scale scores were inversely correlated with relevance ratings in [familiar other face-positive word] and [self face-positive word] conditions. B: In patients with schizophrenia, anhedonia scale scores and relevance ratings were positively correlated in [unfamiliar other face-negative word] condition, but negatively correlated in [familiar other face-positive word] condition. However, they were not significantly correlated in [self face-positive word] condition. ∗: Significant finding at p＜0.05, ∗∗: significant finding at p＜0.001 after a Pearson correlation analysis.

Reference

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