Faucheux B, Lille F, Marc M E, Erber H
Rev Electroencephalogr Neurophysiol Clin. 1982 Dec;12(4):305-10. doi: 10.1016/s0370-4475(82)80017-8.
The experiments were conducted to investigate changes occurring between maturity and old age in variations of the EEG when performing a series of mental tasks. Forty three normal male volunteers, divided in two age groups separated by 2 decades (52.9 +/- 0.2 yr, N = 22; 72.2 +/- 0.2 yr, N = 21), were continuously recorded by telemetry in 3 conditions: control, tests, questionnaires. Beta, alpha and theta rhythms and the number of slow waves were measured after visual EEG interpretation. The study showed that: (1) theta rhythms and slow waves were in higher proportions in men in their 70s; (2) variations induced by the various mental tasks were very similar at ages 50 and 70; (3) the two groups differed mostly in theta rhythm responses during tests with a coding task; (4) test performances and EEG indices were correlated only in the older group for theta rhythms.
进行这些实验是为了研究在执行一系列心理任务时,从成年到老年脑电图变化情况。43名正常男性志愿者被分为两个年龄组,间隔20年(52.9±0.2岁,N = 22;72.2±0.2岁,N = 21),在三种情况下通过遥测连续记录脑电图:对照、测试、问卷调查。在对脑电图进行视觉解读后,测量β、α和θ节律以及慢波数量。研究表明:(1)70多岁男性的θ节律和慢波比例更高;(2)50岁和70岁时,各种心理任务引起的变化非常相似;(3)在进行编码任务的测试中,两组在θ节律反应上差异最大;(4)测试表现和脑电图指标仅在老年组的θ节律方面存在相关性。