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JOSEPH DUERSON STOUT 



rapidly recedes anteriorly and posteriorly. (4) Movements of 

 the head and neck (fig. 5) are obtained from stimulation of 

 several fields, lying almost entirely within the anterior inner 



FIGS. 4, 5, 6, 7, and 8. Combined areas for movements in the cat's cerebral 

 cortex. Each diagram is a composite of results obtained by stimulating the cor- 

 tices of four hemispheres. The crucial sulcus is indicated in the diagrams by the 

 heavy cross line. Figure 4 shows the combined area for all animals for the two 

 hemispheres. Figure 5 shows the combined areas for movements of the head 

 and neck. Figure 6 shows the areas for the hind limb. Figure 7 shows the 

 areas for the fore limb. Figure 8 shows the areas for the trunk and tail. 



quadrant of the motor area. The representation for these 

 movements is richest at the anterior extremity of the precrucial 

 area, adjacent to the median line. This area is almost entirely 

 for movements of this type. It extends posteriorly to the crucial 



