Eischen S E, Luckritz J Y, Polich J
Department of Psychology, University of California, San Diego, La Jolla, USA.
Biol Psychol. 1995 Aug;41(1):61-8. doi: 10.1016/0301-0511(95)05129-x.
Electroencephalographic (EEG) activity was obtained under eyes open and eyes closed conditions from ten families, each consisting of a biologically related father, mother and two children. Spectral power (microV2) and mean frequency (Hz) measures from the delta, theta, alpha-1, alpha-2, beta-1, and beta-2 bands were computed for each family member. Non-family controls were constructed from the real family data by randomly pairing non-related individuals with one another, and correlations between the analogous individuals were also computed. The correlations for spectral power between family groups were greater than those obtained from the non-families for theta, alpha, and beta band power. The correlations for mean frequency between family members were greater than those of the non-families for the delta, theta, and alpha bands, although these were not as robust as the spectral power findings. In general, few family membership effects were found for the eyes open/closed or electrode site conditions. The results support findings from twin studies that suggest EEG characteristics are determined at least in part by genetic factors.
在睁眼和闭眼条件下，从十个家庭中获取脑电图（EEG）活动数据，每个家庭由具有生物学关系的父亲、母亲和两个孩子组成。计算每个家庭成员在δ、θ、α-1、α-2、β-1和β-2频段的频谱功率（微伏²）和平均频率（赫兹）测量值。通过将无血缘关系的个体随机配对，从真实家庭数据构建非家庭对照组，并计算类似个体之间的相关性。在θ、α和β频段功率方面，家庭组之间的频谱功率相关性高于非家庭组。家庭成员之间平均频率的相关性在δ、θ和α频段高于非家庭组，尽管这些结果不如频谱功率结果那么显著。总体而言，在睁眼/闭眼或电极部位条件下，未发现明显的家庭成员效应。这些结果支持了双胞胎研究的发现，即脑电图特征至少部分由遗传因素决定。
