59 6 TEXT-BOOK OF PHYSIOLOGY 



brain have been excised by necessary surgical procedures. In these cases 

 also, careful studies have failed to show any impairment of sensibility. On 

 the other hand, destruction of the post-central convolution in monkeys by 

 the electro-cautery and in man by disease has invariably led to a loss of sen- 



CONCRETE CONCEPT 



FIG. 247. THE AREAS AND CENTERS OF THE LATERAL ASPECT OF THE HUMAN HEMICEREBRUM. 



(C. K. Mills.") 



FIG. 248. THE AREAS AND CENTERS OF THE MESIAL ASPECT OF THE HUMAN HEMICEREBRUM. 



(C. K. Mitts.) 



sibility, on the opposite side of the body, hemianesthesia, without at the 

 same time causing any loss of motion. The location and extent of the an- 

 esthesia corresponds, of course, with the location and extent of the lesion of 

 the cortex. 



