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  • Title: [Cholinergic regulation of the activity of somatosensory cortex neurons during early postnatal ontogeny of the cat].
    Author: Raevskiĭ VV, Budko KP.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1986; 36(5):919-24. PubMed ID: 3026117.
    Abstract:
    In 11-14 days kittens, about 20% of neurones in the somatosensory cortical zone react to stimulation of subpallidal region which is a source of cholinergic projections to the cerebral cortex. The effect of subpallidal region stimulation is reproduced in case of microiontophoretic acetylcholine application and blocked by atropine what points to its cholinergic nature. Cholinergic stimulation causes inhibition of the background and evoked activities of the cortical neurones while, as it is known, in adult cats, acetylcholine mainly stimulates a reaction of activation. It is postulated that in kittens at the end of the second week of postnatal development, cholinergic innervation of the cortex significantly differs from the definitive one by its quantitative and functional parameters.
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