1932] Poliak: Afferent Fiber Systems, Primate Cerebral Cortex 231 



Fig. 26, Experiment I. Somatic sensory thalamo-cortical radiation (sr) 

 entering the precentral convolution (CA) ; black lines and dots represent degen- 

 erated fibers of the radiation. This portion of the radiation is its anterior or 

 rostral "fan." Its fibers ascend through the anterior limb of the internal 

 capsule, spreading over the entire precentral convolution (its thalamic origin 

 is seen in figs. 28, 29). A portion of the anterior commissure and of the extemaJ 

 and extreme capsule is also degenerated. A few degenerated fibers of the 

 auditory radiation (ar), the most rostral in the series, are visible in the superior 

 temporal convolution. Sylvian fossa (FS), superior temporal sulcus (/St,). 



