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Faculty of biomedical engineering

Faculty of biomedical engineering. saeed aghvami 1386 fall. Importance. Understanding natural function of nerve and muscle Clinical diagnosis, therapy, and rehabilitation. Electric and magnetic field stimulation. Number of variables. geometry of the tissue being stimulated

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Faculty of biomedical engineering

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  1. Faculty of biomedical engineering saeed aghvami 1386 fall

  2. Importance • Understanding natural function of nerve and muscle • Clinical diagnosis, therapy, and rehabilitation • Electric and magnetic field stimulation

  3. Number of variables • geometry of the tissue being stimulated • Electrical characteristics • Location of the stimulus electrodes

  4. Spherical cell stimulation • In a spherical cell, the response to stimulus depend only on time

  5. S= strength of stimulation

  6. Rheobase

  7. (1) (2) (1) And (2) (3)

  8. 0 (1)

  9. Symmetric

  10. Vm is non zero for all values of x • The effect of the stimulus varies with x. • The magnitude of Vm increases as extracellular resistance increases • Positive current at the origin leads to hyperpolarized • as a measure of the distance from source

  11. L

  12. countinoued (1) (*) (2) (*)

  13. For finite values of x At steady state

  14. The Activating Function Rest conditions

  15. Subthreshold linear conditions

  16. Initial stimulus

  17. Results +30

  18. +118 +8

  19. (1) (2) (3) (1) , (2)

  20. با تشكر از توجه شما

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