Tapping is a psychomotor test that can be used to assess the psychophysiological brain functions, in particular, the time perception. Tapping without any external influence, with the preferred test speed, is a “biological constant”, which reflects the speed of nervous processes and endogenous rhythmic processes in the central nervous system.(3) Interest in the study of wrist tapping remains high due to its fundamental character.
Specifically, according to V. A. Rudnev (1982), the cyclical nature of movements in wrist tapping is a natural statistical regularity that can be considered as a measurement standard to which different parameters can be compared. The study of these biologically appropriate movements makes it possible to establish a pattern of certain rates and rhythms that occurs in the pathology at different levels of the human nervous system.
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