1932] Poliak: Afferent Fiber Systems, Primate Cerebral Cortex 135 



to be due to the impaired vision, since otherwise the monJjey did not 

 show disturbances of the sensory-motor apparatus. With respect to 

 his general beha.vior the monkey appeared passive ; it was difficult 

 to arouse his interest as soon as his hunger was satisfied and he had 



Fig. 17, Experiment V-c. This figure shows outer face (1, 2) and the inner 

 face of tlie left hemisphere (6); outer face {3, 4) and the inner face of 

 the right hemisphere (5). Areas shaded with lines represent lesions; stippled 

 areas are portions of the striate areas remaining normal. In the left occipital 

 operculum there are four separate lesions: three small ones {h, c, d), and a 

 larger one (a) ; in the right occipital operculum one small lesion (marked 

 with a double cross) and a large one (marked with an asterisk). (Compare 

 with fig. 18.) 



