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Event-related potentials and the mirror-normal differences of object rotation in first-episode schizophrenia / 中华行为医学与脑科学杂志
Article in Chinese | WPRIM | ID: wpr-418454
Responsible library: WPRO
ABSTRACT
Objective To explore the brain electrophysiological mechanism of object rotation in first-episode schizophrenia.Methods 30 patients with schizophrenia and 28 normal healthy people,who were from the Center for Mental Disease Control and Prevention,Third Hospital of PLA,took part in the mental rotation tasks,then the incubation period and amplitude of P500,and the wrong number and reaction time were measured.Results Compared with control group ( normal(494.16 ± 34.68 ) ms,( 9.56 ± 2.54) μV; mirror(496.51 ± 33.10 ) ms,(6.38 ± 2.41 ) μV),schizophrenia' incubation periods were significantly delayed ( normal( 571.30 ± 51.21 ) ms;mirror(573.41 ±39.27) ms) and volatility were significantly lower ( normal(4.26 ± 1.01 ) μV; mirror(3.61± 1.21 )μV) in normal and mirror rotation (P<0.05 ).The mirror-normal differences were not significant on the incubation periods of two groups (P > 0.05 ) ; the mirror-normal image differences were not significant on the patient group' volatility (P > 0.05 ) ; the normal volatility was significantly higher than mirror in the control group (P < 0.05).Conclusion Schizophrenia'mental rotation ability is impaired,and mirror-normal differences on mental rotation are disappeared.It can be used as an early-stage clinical auxiliary diagnosis index.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Behavioral Medicine and Brain Science Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Behavioral Medicine and Brain Science Year: 2012 Type: Article