44 

 "but only upon tho objective manifestations of organiza- 

 tion of movements, the subject will not "be considered 

 further. 



There is an additional objection to this so called 

 "trial and error" method of learning in that it is an 

 extremely vague way of expressing what really takes place 

 in an animal with an organized nervous system. To speak 

 of useless movements being "stamped out" and useful ones 

 "stamped in" gives at once the impression that the first 

 are irrevelant and of no practical value, and that the 

 second are alone of value in learn J .lus 



arly series of reactions has been sho^n by 

 Sherrington (5) .according to v/hom "the nervous system 

 functions as a whole.Physiological and histrolo 

 analysis finds it connected throughout its whole extent". 

 A new situation brings numerous integrations into action. 

 A reduction and a facilitation of some of these movements 

 which the new situation dernana 3 '; takes place in 



