[Changes of the micro-rhythm in different forms of motor activity and movement observation]

When presenting the subjects with video-records of different forms of movements, a moderate suppression of spectral power occurs in the micro-rhythm range. Analysis of temporal suppression of the micro-rhythm revealed that the changes obvious enough at the beginning of the observation became gradually weaker, and at the final stages dropped to statistically insignificant values. This habituation effect for the micro-rhythm changes indicates a possible role of the mechanisms of involuntary and voluntary attention in the micro-rhythm depression.