Abstract
The existing facts and hypotheses regarding the localization of the "pacemaker" of tremor are rather controversial. Fundamentally, the development of tremor (TrG) is explained by the formation of an oscillator (a source of rhythmic activity) at any level of the central nervous system. The objective is to study the mutually oriented influences between the frequency and amplitude of the TRH rhythms and the electroencephalogram (EEG), reflecting the work of the generators (oscillators) of both oscillatory processes. It was revealed that more regression coefficients from the EEG indicators of both the right and left hemispheres were determined for the left hand TRG indicators. This may indicate that the generators that form the physiological tremor of the left and right hand are not identical, as well as that the physiological tremor of the left hand is to a greater extent controlled by the generators that form the EEG than the generators that form the tremor of the right hand. The largest number of regression coefficients of multiple regression analysis was determined by the rate of beta-1 rhythm of the left hand TrH from EEG indicators. It was shown that the generators forming the physiological tremor of the left and right hands are not identical. The physiological tremor of the left hand is to a greater extent under the control of the generators that form the EEG than the generators that form the tremor of the right hand. The generator of the alpha rhythm of the TrG of the left hand is an independent formation and is not similar to the generator of the alpha rhythm of the TrG of the right hand.
Highlights
According to the concept of selectively distributed oscillatory systems in the brain, there are neuron systems capable of generating waves with a certain frequency [5, 7, 9]
Each of the set of indicators of the tremorogram of the right and left hand selected in the analysis was considered as a target feature (Y-s), and the indicators of EEG amplitudes and frequencies were considered as influencing variables and the equations of multiple linear regression were constructed as follows: Y' = a0 + b1X1 + b2X2 ... + ...bnXn + e, where a0 – free term, coefficients b1, b2 ... bn – regression indicators reflecting the influence of the elements of the set of EEG indicators
The indicator of the amplitude of the theta rhythm of TrH influenced the amplitude of the delta rhythm of the EEG in the abduction of the forehead-temple of the right hemisphere, the amplitude of the alpha rhythm of the TrH on the amplitude of the theta rhythm in the lead of the forehead-temple of the left hemisphere, and the frequency of the theta rhythm influenced the amplitude of the delta rhythm in the lead of the forehead-temple of the left hemisphere
Summary
According to the concept of selectively distributed oscillatory systems in the brain, there are neuron systems capable of generating waves with a certain frequency [5, 7, 9]. The third assignment is the crown-occiput of the left hemisphere In this EEG derivation, the effects from EEG indices only to the beta-1 rhythm of TrH were determined from the amplitude of the beta-2 rhythm and the frequency of the alpha rhythm - negative statistically significant influences, from the frequency of the beta-2 rhythm and amplitude of the beta-1 rhythm - positive statistically significant influences. The first assignment is the forehead-temple of the right hemisphere In this lead, statistically significant regression coefficients were determined to the rate of the beta-1 rhythm of TrH from the amplitude of the beta-1 EEG rhythm positive, from the rate of the beta-1 rhythm of the EEG - negative and from the frequency of the alpha rhythm of the EEG positive. The indicator of the amplitude of the theta rhythm of TrH influenced the amplitude of the delta rhythm of the EEG in the abduction of the forehead-temple of the right hemisphere, the amplitude of the alpha rhythm of the TrH on the amplitude of the theta rhythm in the lead of the forehead-temple of the left hemisphere, and the frequency of the theta rhythm influenced the amplitude of the delta rhythm in the lead of the forehead-temple of the left hemisphere
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