CEREBRAL FUNCTION IN LEARNING 



77 



TABLE 2 



The average numbers of trials and range of variation in learning the double-platform 

 box by normal and operated groups 



TABLE 3 



The average time in seconds per trial, based on the average of each successive nine 

 trials, required by the animals in each of the groups studied to go from the entrance 

 of the restraining cage to the food 



GROUP NUMBER 



