CONTENTS 



Page 



List of those participating in the symposium vii 



Foreword by J. F. Dclafresnayc, Executive Secretary, CIOMS ix 



Prefacio by A. Establicr, Director, LASCO xi 



Introduction by A. Fcssard, ori^mnzer of the symposium xiii 



Darwin and concepts of brain function, by H. W. Magoun i 



The fixation of experience, by R. W. Gerard 21 

 Distinctive features of learning in the higher animal, by D. O. 



Hcbb 37 

 The interactions of unlearned behaviour patterns and 



learning in mammals, by I. Eibl-Eibcstcldt S3 

 Some characteristics of the early learning period in birds, /))' 



W. H. Thorpe 75 

 Some aspects of the elaboration of conditioned connections 



AND FORMATION OF THEIR PROPERTIES, by E. A. Asratyaii 95 



The PHYSIOLOGICAL APPROACH TO THE PROBLEM OF RECENT MEMORY, 



by ]. Konorski 1 15 



Conditioned reflexes established by coupling electrical 



EXCITATIONS OF TWO CORTICAL AREAS, by R. W. Doty and C. 



Giurgca 133 



Interference and learning in palaeocortical systems, by 



J. Olds and M. E. Olds 153 



A NEW CONCEPTION OF THE PHYSIOLOGICAL ARCHITECTURE OF CONDI- 

 TIONED REFLEX, by P. K. Anokhin i8y 



Changing concepts of the learning mechanism, /))' R. Galanibos 331 



The significance of the earliest manifestations of conditioning 



in the mechanism of learning, by E. Grastyan 243 



Behavioural and EEG effects of tones 'reinforced' by cessation 

 OF PAINFUL stimuli, /)/ J. P. Segundo, C. Galcano, J. A. 

 Sommer-Smith and J. A. Roig 265 



Neurohumoral factors in the control of animal behaviour, 



by K. Lissak and E. Endroczi 293 



Considerations on the histological bases of neurophysiology, 



by C. Establc 309 



The effects of use and disuse on synaptic function, by]. C. Ecclcs 335 



La facilitation de post-activation comme facteur de plasticite 

 dans l'etablissement des liaisons temporaires, par A. 

 Fessard et Th. Szabo y^JolCik 4 r^ i 9 353 



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U8RA«Y ,^ 



