5 12 



TEXT-BOOK OF PHYSIOLOGY. 



In the case of specialized movements the representation' is unilat- 

 eral; in the case of the more general movements the representation is 

 bilateral. 



Motor and tactile area. 



Parietal association area. 



Island of Reil. 



Occipito-temporal 

 association area. 



Auditory area. 

 Motor and tactile area. 



Parietal association area 

 (Precuneus). 



Occipito-temporal 

 association area. 



Olfactory lobe. 

 Olfactory tract. 



N ^ Olfactory area. 



Gyrus hippocampus. 



FIG. 229. DIAGRAMS TO SHOW THE POSITION AND THE RELATION OF THE 

 ASSOCIATION AND PROJECTION AREAS. THE PROJECTION AREAS ARE 

 DOTTED. (After Flechsig.} 



Association Centers. The sensor and motor areas to which 

 specific functions have been assigned do not constitute more than 

 one-third of the total cerebral cortex. There yet remain large 



