摘要
目的:探索男性青少年暴力攻击行为的部分神经电生理学基础。方法:以47例有官方暴力型违法乱纪记录的青少年为研究组,41例正常职业高中生为对照组,进行EEG、脑诱发电位测定。结果:研究组和对照组之间EEG各项指标未见显著性差异;与对照组相比,研究组脑干听觉诱发电位波V潜伏期延长(5.8±0.1/5.5±0.1,F=9.803,P<0.01),波III波幅显著降低(3.5±0.1/3.8±0.1,F=4.711,P<0.01);体感诱发电位N1波潜伏期缩短(104.4±6.1/124.4±6.6,F=4.386,P<0.05),P2波波幅显著增高(5.6±0.4/3.9±0.4,F=7.222,P<0.01);P300的靶P3波潜伏期显著延长(P<0.05),非靶P2波波幅暴力攻击组显著增高(P<0.01);脑电图各项指标与多项脑诱发电位指标之间相关。结论:暴力攻击行为青少年对外周刺激的感觉认知加工过程异常,提示大脑皮层唤醒水平低下。
Objective：To explore some neuroelectrophysiological bases underlying the aggression and violence in male delinquents. Methods：47 male delinquents with official records of aggressive and violent violation and 41 normal controls were examined by resting EEG, brain evoked potentials. Results： No EEG abnormality was detected in the two groups. Compared with the normals, the male delinquents displayed prolonged V latency in auditory brainstem evoked potentials （ 5.8 ± 0. 1/5.5 ± 0. 1, F = 9. 803, P 〈 0. 01 ） reflecting more filtering out of peripheral auditory stimuli, increased wave Ⅲ amplitude （3.5 ±0. 1/3.8 ±0. 1 ,F =4. 711, P 〈0. 01 ） , shorter N1 latency （ 104. 4 ±6. 1/124. 4 ± 6. 6, F = 4. 386, P 〈 0. 01） and increased P2 amplitude in somatosensory evoked potentials （5.6 ± 0. 4/3.9 ± 0.4, F = 7. 222, P 〈 0. 01 ） indicating enhanced cortical response to somatosensory stimuli. Apart from these findings, they also displayed prolonged P3 latency of target stimuli in auditory P300 during a standard oddball task implicating less efficient cognitive functioning. EEG was highly correlated with evoked potentials. Conclusions：Decreased cortex arousal may partly underlie the neurobiological genesis of aggressive and violent behavior in male delinquents.
出处
《中国心理卫生杂志》
CSSCI
CSCD
北大核心
2007年第8期563-567,共5页
Chinese Mental Health Journal
基金
2002年上海市卫生局青年科研基金资助项目(024Y26)
关键词
暴力
攻击
脑诱发电位
唤醒
病例对照研究
aggression
violence
brain evoked potentials
arousal
case-control study
