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A method of time-frequency analysis of joint EEG, EMG mechanical tremor signals in Parkinson’s disease

Keywords:

O.S. Sushkova – Post-graduate Student, Kotelnikov IRE RAS. Е-mail: o.sushkova@mail.ru A.V. Gabova – Ph.D. (Biol.), Senior Researcher, Institute of Higher Nervous Activity and Neurophysiology of RAS A.V. Karabanov – Ph.D. (Med.), Senior Researcher, Scientific Centre of Neurology of RAS I.A. Kershner – Student, Moscow Institute of Physics and Technology K.Yu. Obukhov – Student, Moscow Institute of Physics and Technology Yu.V. Obukhov – Dr.Sc. (Phys.-Math.), Head of Laboratory, Kotelnikov IRE RAS


A new method for analyzing the time-frequency dynamics of background electrical activity of the brain are described by means of which at least three main features of Parkinson\'s disease (PD) in the early stage are detected: 1) interhemispheric asymmetry of the time-frequency characteristics (EEG) in the central leads of the motor area of the cerebral cortex; 2) the emergence of EEG rhythm in these leads in the frequency range of 4-6 Hz and its relatedness to the electromyograms (EMG) and mechanical tremor of the contralateral limbs in the tremor form of PD; 3) disorganization of the dominant rhythm corresponding to the general ideas about the disorganization of the various systems in Parkinson\'s disease.
References:

 

  1. Patent RF2484766, 20.06.2013. Sposob rannejj ehlektroehncefalograficheskojj diagnostiki bolezni Parkinsona / Obukhov JU.V., Korolev M.S., Gabova A.V. i dr.
  2. Obukhov JU.V., Anciperov A.V., Gekht A.B. i dr. CHastotno-vremennojj analiz ehlektricheskojj aktivnosti mozga pri bolezni Parkinsona. V kn. Nejjrodegenerativnye zabolevanija: fundamentalnye i prikladnye aspekty / Pod red. M.V. Ugrjumova M.: Nauka, 2010. S. 112‑136.
  3. Vakman D.E., Vajjnshtejjn L.A. Amplituda, faza, chastota – osnovnye ponjatija teorii kolebanijj // Uspekhi fizicheskikh nauk. 2000. T. 123. № 4. S. 657‑682.
  4. Vejjn A.M., Golubev V.L., JAkhno N.N.Parkinsonizm s pozicijj funkcionalno-nevrologicheskogo analiza // Parkinsonizm: Voprosy kliniki, patogeneza i lechenija. 1974. C. 57‑65.

 

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