Conditioned Reflexes: An Investigation of the Physiological Activity of the Cerebral Cortex

| XXII. THE HIGHER NERVOUS ACTIVITY (conntaforen REFLEXES) IN | (1) Krjishkovsky, N. “ Die Veränderungen er Function der oberen Abschnitte des Nervensystems der Hündin während der (4) Rosenthal, I. S. “ The oN of pregnancy upon conditioned reflexes.” Russian Jour. Physie®, vol. v. 1922. (6) Kreps, E. AJ On the influence of heat in a bitch upon its higher BV ivity.” Physiol. Abstracts, vol. 5, 1923. (7) Andréev, L. A. “Observations upon the functions of the senile central nervous system.” Collected Papers, Physiol. Labs. I. P. Pavlov, vol. i. No. 1, 1924.

(2) Rasenkov, I. P} “ Modifications of the excitatory process in the cortex under some complex conditions.” Collected Papers, Physiol. Labs. I. P. Pavlov, vol. i. No. 1, 1924. (9) Pavlov, I. P. “ Twenty years of objective study of the higher nervous activity of animals.” Articles, 25 and 36. (11) Petrova, M. K. “ Pathological deviations of the inhibitory and excitatory process in a case of their clashing.” Collected Papers, Physiol. Labs. I. P. Pavlov, vol. i. Nos. 2-3, 1925.

(12) Petrova, M. K. “ The combatting of sleep: the mutual counter- balancing of the excitatory and inhibitory processes.” Pavlov Jubilee Vol., 1925. (13) Valkov, A. V. ‘‘ Observations on the higher nervous activity in thyroidectomized puppies.” Pavlov Jubilee Vol., 1925. (14) Podkopaev, N. A. “ A peculiar motor reaction in the dog in conjunc- tion with a development of inhibition in the cortex.” Collected Papers, Physiol. Labs. I. P. Pavlov, vol. i. Nos. 2-3, 1925.

(16) Siriatsky, V. V. “ Pathological deviations in tivity of the central nervous system in the case of clash@y of excitation and inhibition.” Russian Jour. Physiol., S iib Nos. 3-4, 1925. (1) Parfenov, O. “ A special case o ivity of salivary glands in the dog.” Proc. Russian a . in Petrograd, 73, 1906. (2) Volborth,G. V. “ Inhibitory @pitioned reflexes.” Thesis, Petrograd, 1912; Prelim. Comm roc. Russian Med. Soc. in Petrograd, vol. 77, 1910. ey (3) Zitovich, I. S. RAK in of the natural conditioned reflexes.”

Thesis, Petr 910; Prelim. Commun. Proc. Russian Med. Soc. in P , vol. 77, 1910. (4) EHroféeva, M.N. “ Electrical stimulation of the skin of the dog as (5) Eroféeva, M. N. “ Contribution to the physiology of conditioned reflexes to injurious stimuli.” Proc. Russian Med. Soc. in Petrograd, vol. 80, 1913. (6) Eroféeva, M. N. “ Further observations upon conditioned reflexes to nocuous stimuli.” Bulletin of Institute of Lesgaft, vol. iii. 1921. (7) Foursikov, D. S. “ Conditioned chain reflexes and the pathology of the higher nervous activity.” Commun. to 2nd Congress of Psycho-neurologists in Petrograd, January, 1924 ; Prelim. Commun. Russian Jour. Physiol., vol. iv. 1922.

(8) Pavlov, I. P. “Twenty years of objective study of the higher nervous activity of animals.” Articles, 27 and 28. (9) Koupalov, P. Š. “ Periodical fluctuations in the rate of conditioned salivary secretion.” Archive Biol. Sciences, vol. xxv. No. 45, 1926. — — after extirpation of cortex, 328. Apomorphine, as conditioned stimulus, 35. Association centres, 376. — — in heterogeneous r — — in trace stimuli, 1 — — irradiation 68. Functional interference, 270, N Generalization of reflexes, D Gustatory analysis, 137.

Heredity of co ioed reflexes, 285. Heterogene xes, 54. Homogeņe exes, 54, — relation between different types of, 387. Initial generalization, 113. Laboratory for conditioned reflexes, 20. Latent period, 104. Morphine as conditioned stimulus, 35. Mosaic of functions, 219. Preliminary inhibitory period, 104. Psychology in relation to Ne Ee) Psychoses, 396. Time intervals as conditioned stimuli, 41. Trace conditioned reflexes, 40. Vitra- paradoxi Ma , 275. Unconditioned iy exes as reinforcing