p. K. ANOKHIN 



199 



There is a widespread opinion that the activating effect of the reticular 

 formation on the cerebral cortex is of a non-specific nature. According to 

 this view, the non-specitic influence on the cerebral cortex is always of the 



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Fig. 5 



A. Normal EEG of the rabbit in an experiment without a pain reiiiforceiiwnl. 



B. EEG of the same rabbit after application of sereral pain reinforcements durintj elaboration of a 

 conditioned defensive reflex. Very strong desynchronization of electrical activity can be seen 

 not only at the moment of application of the conditioned stimuli but also during the intervals 

 between them. 



C. After chlorpromazin injection. 



same physiological nature regardless of the reactions of the integral 

 organism taking place in the given situation (Moruzzi and Magoun, 1949; 

 Magoun, 1952; Magoun, 1958; ct ah). 



