http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정신분열병 환자에서 청각 사건관련전위 P300의 비대칭성
전양환,한상익 대한신경정신의학회 2001 신경정신의학 Vol.40 No.1
연구목적: 본 연구는 정신분열병 환자들에게 청각 사건관련전위 P300의 비대칭성이 있는지를 알아보기 위해 시도 되었다. 방법: 대상군은 DSM-VI에 의해 진단된 정신분열병 환자군 20명과 나이와 성별을 일치시킨 정상인 대조군 20명으로 하였다. 청각 사건관련전위 P300은 'oddball'모형을 기록하였다. P300의 결정은 고전적 방법에 의해 결정하였으며 5군데에 위치한 전극(Fz, Cz, Pz, T₃,T₄)에서 측정하였다. 결과: 정신분열병 환자군의 P300 전위는 정상 대조군 보다 5개 전극 부위 모두에서 감소되어 있었다. 두 군사이에 비대칠성의 차이는 없었다. 결론: 이 소견은 정신분열병 환자에서 청각 사건관련전위 P300과 그 정보처리 과정이 비대칭적으로 나타나지 않는다는 것을 시사한다. Objectives : The present study was designed to investigate whether asymmetry of auditory event-related potential P300 was shown in patients with schizophrenia or not. Methods : The subjects were composed of patients(N=20) with schizophrenia by DSM-IV and normal controls(N=20). The auditory event related potential P300 was measured by "oddball paradigm". P300 component was determined by classic method at 5 electrodes(Fz,Cz, Pz, T3, T4). Results : P300 amplitudes of patients were smaller than those of controls across all electrodes. Asymmetry of auditory event-related potential P300 was not shown between patients with schizophrenia and normal controls. Conclusion : It is implicated that auditory event-related potential P300 and its information processing should not be elicited asymmetrically in schizophrenia.
다채널 청각 사건관련전위 P300 결정에서 전부위장력측정법과 전통적방법의 비교
전양환,한상익,Jeon, Yang-Whan,Han, Sang-Ick 대한생물정신의학회 2000 생물정신의학 Vol.7 No.2
Objective : The present study was designed to compare Global Field Power Measurement and conventional method in P300 determination. Method : The subjects were composed of patients(N=20) with schizophrenia by DSM-IV and normal controls(N=20). The auditory event related potential P300 was measured by "oddball paradigm". P300 components were determined by Global Field Power Measurement and conventional method at 5 electrodes(Fz, Cz, Pz, $T_3$, $T_4$). Results : P300 amplitudes of patients were smaller than those of controls across all electrodes and in both methods, but there was no differential power in P300 determination between two methods. Asymmetry of auditory event-related potential P300 was not shown between patients with schizophrenia and normal controls. Conclusion : It is implicated that it depends on clinical situations and research purposes what method of P300 determination will be more appropriate for patients with schizophernia.