Neuropsychological study of feedback learning in patients with schizophrenia
10.3760/cma.j.issn.1674-6554.2014.06.001
- VernacularTitle:精神分裂症患者反馈学习能力的神经心理学研究
- Author:
Shengchun JIN
;
Fangfang ZHANG
;
Huijuan MA
;
Kai WANG
- Publication Type:Journal Article
- Keywords:
Schizophrenia;
Feedback learning;
Probabilistic stimulus selection
- From:
Chinese Journal of Behavioral Medicine and Brain Science
2014;23(6):481-483
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the pattern of feedback learning deficits in patients with schizophrenia.Methods Twenty-five patients with schizophrenia and 31 controls participated in the study of probabilistic stimulus selection task.The percentage of choose A and avoid B and individual training blocks of reach performance criterion were analyzed.Results There was no significant difference on the percentage ofchoose A between patient group and control group(control group:(66.13±26.31) ％ ; patient group:(63.75±20.57) ％ ; t=0.37,P=0.713).The percentage of avoid B in patient group was significantly lower than that in control group(control group:(62.10±27.10)％;patient group:(49.75±13.68)％; t=2.212,P=0.032).In addition,the training blocks of reach performance criterion in patient group was significantly greater than that in control group (control group:3.23±2.012;patient group:4.64±1.977; t=-2.635,P=0.011).Conclusion The deficits of feedback learning in patients with schizophrenia is largely due to the failure of avoiding negative feedback stimuli.Learning efficiency was lower in patients with schizophrenia than controls.
