From the Unconscious to the Conscious 



numerous in the domain of the philosophy of the sub- 

 conscious. 



We have already cited the partial theories of Janet, 

 of Grasset, and of Sollier. 



Two more may be cited, both of a general character, 

 but still insufficient. 



5. PROFESSOR JASTROW S THEORY 



The vague, inexact, and merely verbal type of theory 

 is represented by that of Professor Jastrow. The con- 

 clusion of his long study on Subconsciousness is as 

 follows: l 



' The impression left on us by this study is 

 that the mental life of Man does not rest on his 

 consciousness alone. Below consciousness there 

 exists a psychic organisation anterior to it? which is 

 doubtless the source whence it has been derived. 



* It is to be presumed that the origin of con- 

 sciousness is due to the necessity of satisfying some 

 need which otherwise would not have been com- 

 pletely satisfied. 



' Its birth marks the beginning of a greatei 

 co-ordination of functions. Its duty consists primarily 

 in integrating experiences, and thus establishing 

 the unity of the mind. Morbid dissociations* only 

 bring into higher relief that unity which the normal 

 mind retains during its whole development, by 

 which it resists all the vicissitudes through which it 

 passes. 



* We have explained the different psychic 

 phenomena by the light of evolutionist concepts. 

 . . . The interpretation of the different varieties of 



1 J. Jastrow: La Subconscience (Alcan). *My italics, G. G. 



117 K 



