FUNCTIONS OF THE CEREBRAL HEMISPHERES 445 



(1) An area including both central convolutions, i.e. the ascending frontal 

 and the ascending parietal, and spreading forward into the frontal lobes. 



(2) An area occupying the hinder portion of the occipital lobe and the 

 greater part of its inner surface. 



; Tactile ' area 



Auditory area 



FIG. 230. Outer side of right cerebral hemisphere, according to Flechsig. The 

 dotted surface indicates the regions where the majority of the afferent (sensory) 

 fibres end. 



(3) An area occupying the superior temporal convolution and extending 

 well into the fissure of Sylvius. 



(4) An area on the inner side of the hemisphere, occupying the hippo- 



' Tactile ' area 



Olfactory area 

 FIG. 231. Inner surface of the same hemisphere. (FLECHSIG.) 



campal gyrus and the margin of the gyms fornicatus close to the corpus 

 callosum. 



Let us see how far experimental evidence bears out this localisation. 



