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Scientific Proceedings (126) 



The rubrospinal fasciculus, from its origin, size and extent, 

 as well as from clinical studies 4 , should be regarded as an im- 

 portant motor pathway by which both the corpus striatum and 

 cerebellum may exert its influence on lower motor centers. While 

 widely separated from the pyramidal tract above the pyramidal 

 decussation, below this point it is more and more closely asso- 

 ciated with the lateral (crossed) pyramidal tract. As was to be 



4 Hunt, J. R., Jour. Ncrv. and Ment. Dis., 1916, xliv, 437; 1017, xlvi, 211; 

 Brain, 1918, xli, 302. 



