Kukleta M, Buser P, Rektor I, Lamarche M
Medical Faculty, Masaryk University, Brno, Czech Republic.
Physiol Res. 1996;45(3):235-9.
Two procedures for eliciting premovement potentials were compared: (1) the estimation of a 3 s interval elapsed after a warning auditory signal, and (2) classical "self-pacing". Eleven healthy right-handed subjects participated in the experiment, EEG records from scalp electrodes placed at CZ, C3+ and C4+ were analyzed. It has been shown that both procedures induced similar premovement potentials except that in the first procedure the early component of the potential was longer. The time estimation itself induced a negative slow potential consisting of a rapid set-up and a subsequent plateau.
（1）在听觉警告信号后经过3秒间隔的估计，以及（2）经典的“自我定步速”。11名健康的右利手受试者参与了该实验，分析了置于CZ、C3+和C4+处头皮电极的脑电图记录。结果表明，两种程序诱发的运动前电位相似，只是在第一种程序中电位的早期成分更长。时间估计本身诱发了一种负向慢电位，由快速上升和随后的平台期组成。
