78 



HEREDIT'S AND ENVIRONMENT 



DEVELOPMENT OF PSYCHICAL PROCESSES IN ONTO- 

 GENY AND PHYLOGENY 



All Living Things, In- 

 cluding Geem Cells and 

 Embryos, Show: 

 1. Diferential Sensitivity =z 

 Different Responses to 

 Stimuli differing in Kind 

 or Quantity. 

 3. Reflex Motions =; 



Relatively Simple, Auto- 

 matic Responses. 



3. Organic Memory =: 

 Results of Previous Ex- 

 perience registered in 

 General Protoplasm. 



4. Adaptive Responses := 

 Results of Elimination of 



Useless Responses 

 through Trial and Error. 



5. Varied Responses 

 Dependent upon Conflict- 

 ing Stimuli and Physi- 

 ological States. 



6. Identity =;: 

 Continuity of Individual 



Organization. 



Mature Forms of Higher 

 Animals Show: 



1. Special Senses and Sen- 

 sations z= 

 Sensations are the Ele- 

 ments of Mind. 

 3. Instincts {Inherited), 



Habits (Acquired) = 

 Complex Reflexes, involv- 

 ing Nerve Centers. 



3. Associative Memory ^= 

 Results of Experience 



registered in Nerve Cen- 

 ters and Association 

 Tracts. 



4. Intelligence, Reason^ 

 Results of Trial and Er- 

 ror plus Associative 

 Memory, i. e. Experi- 

 ence. 



5. Inhibition, Choice, Will 

 Dependent upon Associa- 

 tive Memory, Intelli- 

 gence, Reason. 



6. Consciousness = 

 Continuity of Memory, 



Intelligence, Reason, 



Will. 



