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  • Title: [The late excitatory responses of the motor cortex neurons in the cat to stimulation of the pyramidal tract].
    Author: Maĭorov VI.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 2000; 50(2):316-9. PubMed ID: 10822850.
    Abstract:
    Under conditions of partial suppression of GAMKA-dependent cortical inhibition in the motor cortex of anesthetized cats, a weak electrical stimulation of the pyramidal tract evoked the late slow (50-200 ms) excitatory reactions in the motor cortex neurons similar to those previously recorded under the same conditions in response to stimulation of the parietal cortex. This finding favors the proposal that the late excitatory component of the cortico-cortical response reflects the repetitive activation of cortical neurons due to excitation spread via the system of cortical recurrent excitatory collaterals.
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