3S6 BRAINS OF RATS AND MEN 



have not yet succeeded in arriving at exact scientific 

 expression and analysis of what consciousness is. 

 There are not a few other scientifically recognized 

 processes which remain in the same unsatisfactory 

 state — gravitation, chemical affinity, and life, to men- 

 tion three illustrations. 



Hunter (1924) has recently said of the behav- 

 iorists, "We do not make of ^consciousness' a sepa- 

 rate aspect of the universe," and here, of course, he 

 parts company once for all with the parallelists and 

 all others who place mind in a separate category out- 

 side the pale of scientific treatment. But not all who 

 introspect are parallelists, and some of us feel that 

 while we are having introspective experience we still 

 are organisms and that our awareness is just as truly 

 an act of Hving as is our breathing and hence is a 

 natural process. 



My awareness during bodily activity while it is in 

 process is a natural function of protoplasm just as 

 truly as muscular contraction is a natural function of 

 other and diff'erently constituted protoplasm. The 

 scientific evidence for the colligation of these two 

 functions with their respective organs is as convinc- 

 ing in the one case as in the other, and it is of exactly 

 the same sort. Consciousness is no more a "non- 

 physical entity," to quote another recent writer, than 

 is muscular contraction or any other bodily function, 

 and the fact that it is a difl^erent sort of a function 

 which has in the past been submerged in obscuran- 



