[GRANT] CEREBRAL NEURONS IN RELATION TO MEMORY 123 
silently and diseased conditions become established, prior to, particu- 
larly marked external indications, of importance, defining the same. 
The brain is the battery of the body and as diversified in its peculiarities 
and manifestations, as the facial expression of the “ Genus Homo,” no 
two of the entire human species being exactly alike. In the examina- 
tion of nerve power by electro-neurotone currents. I noted on several 
occasions after a few weeks application, quite a change in intellectual 
activity, as evidenced by improved memory. The currents were passed 
through the base of brain chiefly, by applications to the parotid regions 
on either side of neck, and in the most casual manner, not in the least 
anticipating this practical result. The individuals operated on were 
over sixty years of age, and the improvement of memory was of such a 
character as in my humble opinion to be worthy of the closest scientific 
inquiry. 
