170 WHAT 18 LIFE 



number and manner of combination of the con- 

 stituent units that are involved; 



5. Memory, conscious and associative memory, 

 is definitely located in the mind, as a property or 

 function of the mind (associated with the process 

 that determines consciousness and thought proper); 



6. Behavior is an effect that (given the dual 

 system) primarily is the outward registering of 

 internal constitution (degree of complexity of or- 

 ganization, etc.). Of course, every effect in turn 

 becomes a cause. 



It would require a separate volume only briefly 

 to set forth the several problems of psychology in 

 the light of the theory. However, in a word it may 

 be said: All psychic qualities, all psychic activities, 

 all psychic phenomena (both normal and abnormal) 

 must be interpreted and rated quajititatively . 



The methods (of interpretation of any psychic 

 phenomenon or problem) will have to he the exact 

 methods of the ^physicist and of the mathematician. 



The complete general ^'correlation of the psychical 

 with the physical," or with matter (which Mach saw 

 as the far-distant goal of the research of future 

 centuries,^ and to which E. Hering also gave much 

 thought), is established by the recognition of the 

 duality of the organism, the atomic-intraatomic 



* Populdr-wissenschaftliche Vorlesungen, 490, 491. 



