852 



THE CENTRAL NERVOUS SYSTEM 



ASSOCIATION AREAS 



The brillianl outcome of the researches conducted by the experimental 

 mot In id in enabling us to locate the chief motor and sensory areas of 



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r * X 



k 



A 



Motor leer area 



fj". 



m 



ti * i { 



k 



i 





^ 







Yisr.osensory 



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/* A A 1 1 K > 



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Yisuopsychic 



220. — Three sections through different parts of the cerebral cortex. For description see 



Rei awn from Starling, i 



the cerebral cortex leaves ye1 uncharted those vast areas lying between 

 them which do nol respond in any definite way to artificial stimulation, 

 and the ablation of which results only in more or less indefinite symp- 



