Dumenko V N, Kozlov M K
Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow.
Neurosci Behav Physiol. 2005 Jun;35(5):491-500. doi: 10.1007/s11055-005-0084-3.
Experiments were performed to address the energy characteristics (power spectra) of short-term (less than 1 sec) EEG reactions arising in different areas of the neocortex in response to positive conditioned stimuli presented in conditions of selective attention. These EEG reactions directly preceded the motor reactions, which consisted of a strong blow with the paw on a feeder pedal to obtain reinforcement. The energy levels of EEG reactions were 1.5-3 times greater than pre-stimulus levels. The frequency structures of the corresponding EEG reactions were divided into discrete frequency subgroups, including the traditional (1-30 Hz) and the gamma ranges (30-80 Hz) as well as higher-frequency components (80-200 Hz). In some cases, the greater proportionate increases in power occurred in the high-frequency band.
进行了实验，以研究在选择性注意条件下，新皮层不同区域对呈现的阳性条件刺激产生的短期（小于1秒）脑电图反应的能量特征（功率谱）。这些脑电图反应直接先于运动反应，运动反应包括用爪子强力击打喂食踏板以获得强化。脑电图反应的能量水平比刺激前水平高1.5至3倍。相应脑电图反应的频率结构分为离散频率亚组，包括传统的（1至30赫兹）和伽马范围（30至80赫兹）以及高频成分（80至200赫兹）。在某些情况下，高频带的功率成比例增加更大。
