226 MAN --AN ADAPTIVE MECHANISM 



disease are identical with the leading phenomena of 

 any other kinetic activation of a corresponding dura- 

 tion and degree of intensity. The phenomena of fear, 



r 



*r^&f f 



A. B. 



Section of normal human cerebellum. Section of human cerebellum after 

 (After accidental death.) death from exophthalmic goiter. 



FIG. 49. EFFECT OF EXOPHTHALMIC GOITER ON THE BRAIN-CELLS OF 

 A HUMAN BEING. 



Note the loss of chromatic material in all and the evidences of deteriora- 

 tion in many of the Purkinje cells in B. 



(From photomicrographs, X 310.) 



anger, sexual excitation, physical exertion as in athletic 

 contests, acute overwork, acute infection all recapitu- 

 late the phenomena of Graves' disease and produce the 



