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  • Title: [Conditioned reactions and mediator-humoral shifts during neurotization in a probabilistic pain reinforcement situation].
    Author: Mekhedova AIa, Gadirian AM.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1978; 28(6):1197-1206. PubMed ID: 569945.
    Abstract:
    Substitution of regular partial reinforcement for random one (in both cases the reinforcement frequency was 50%) acted in some dogs as a neurotizing factor: they showed unrest, stable defensive reflexes disappeared, corresponding changes were observed in vegetative reactions. At the same time activation of the sympatho-adrenal system was recorded along with a drop in concentration of acetylcholine in peripheric blood. It is noted that the development of neurotic disturbances in dogs in these conditions were to a certain degree dependent of the dominating motivation.
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