THE ASSOCIATION CENTERS 255 



contextual relations and so may have a general or 

 even universal significance (Carr, 1925, p. 179). 



Thus the idea of "bell" as distinguished from the 

 experience of a particular bell, its color, tone, or 

 shape, may arise every time this structural configura- 

 tion of parts is activated. We now have before us the 

 anatomical mechanism competent to record and pre- 

 serve elements of experience which have been ab- 

 stracted from many diverse concrete sensori-motor 

 activities — in short, the apparatus of ideation, ab- 

 straction, symbolic thinking. 



