vi contents 



Lasting changes in synaptic organization produced by con- 

 tinuous NEURONAL BOMBARDMENT, by F. Morrcll 375 



Functional role of subcortical structures in habituation 

 AND CONDITIONING, by R. Hernandcz-Peoii and H. Brust- 

 Carmona 393 



Functions of bulbo-pontine reticular formation and plastic 



PHENOMENA IN THE CENTRAL NERVOUS SYSTEM, by M. PalcStilli 



and W. Lifschitz 413 



Changes in cortical evoked potentials by previous reticular 



STIMULATION, /)/ M. R. Covian, C. Timo-Iaria and R. F. 



Marscillan 43:5 



Recherches sur les mecanismes neurophysiologiques du som- 



MEiL ET DE l'apprentissage negatif, par M. Jouvct 445 



Corpus callosum and visual gnosis, by R. E. Myers 481 



Anatomical and electrographical analysis of temporal 



neocortex in relation to visual discrimination learning 



IN monkeys, by K. L. Chow 507 



Observations sur le conditionnement instrumental alimen- 



taire CHEZ LE CHAT, par P. Busci" et A. Rougcnl 527 



Non-sensory effects of frontal lesions on discrimination 



learning and performance, /)}' rt. E. Rosvold and M. Mishkin 555 

 Studies of hippocampal electrical activity during approach 



LEARNING, by W. R. Adcy 577 



Role of the cerebral cortex in the learning of an instru- 

 mental conditional response, by T. Pinto Hamuy 589 

 Significance of the photic stimulus on the evoked responses 



in man, by E. Garcia-Austt, J. Bogacz and A. Vanzulli 603 



Conditionnement de decharges hypersynchrones epileptiques 



CHEZ l'homme et l'animal, par R. Naquct 625 



General discussion 641 



Bibliography 665 



Index • 699 



