p. K. ANOKHIN 



191 



i£ef^ 



Riaht 



38.235 ' Bett 



Fig. I 



A. Two-sided stand with two feeding-troughs making it possible to record sinuiltaneously the 

 secretory and motor components of the conditioned reaction ('Secretomotor method'). 

 Pneumatic transmission. 



B. Sample of kymograph record showing movement to the left (i) and right (2) and the 

 conditioned secretion of saliva in drops. 



I. CONCEPT AND MECHANISM OF AFFERENT SYNTHESIS 



According to the reflex theory the role of the aftercnt influences on the 

 central nervous system consists in the fact that the external stimulus 

 usually serves as the impetus for the beginning of some reflex action. This 



