[The hysteretic properties of single-joint movements evoked in nonanesthetized cats by the method of microstimulation of the motor cortex].
Hysteretic aftereffects in the elbow joint movements were studied on unanaesthetized cats. Flexor and extensor movements were evoked by microstimulation of the motor cortex. The cortically evoked movements were tested mechanically by applying the servo-controlled torque changes to the joint. Stiffness of the joint depended on the direction of previous movement and was significantly larger after changes in direction of movement. That led to uncertainty in the equilibrium value of the joint angle, which was demonstrated under cyclic changes of torque.
Tal'nov
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AN
Kostiukov
A I
AI
D000818:Animals; D001696:Biomechanical Phenomena; D002415:Cats; D004551:Elbow Joint / Q000502:physiology*; D004558:Electric Stimulation / Q000379:methods; D008839:Microelectrodes; D009044:Motor Cortex / Q000502:physiology*; D009068:Movement / Q000502:physiology; D009119:Muscle Contraction / Q000502:physiology; D004856:Postural Balance / Q000502:physiology; D014851:Wakefulness / Q000502:physiology*
Gisterezisnye svoĭstva odnosustavnykh dvizheniĭ, vyzvannykh u nenarkotizirovannykh koshek s pomoshch'iu metoda mikrostimuliatsii motornoĭ kory.