FUNCTION OF VIBRISSAE IN BEHAVIOR OF WHITE RAT 



27 



Summary of Experiment V. 



Four rats in maze — vibrissae cut on the left s'de. 



Average errors in the first twenty-five trials 39. 



Average errors in the first trial 13. 



Average time of learning (trial) 18. 



35 



33 

 32 

 51 

 30 

 2^? 

 ZS 

 27 



ZIo 



Z5 

 24 

 Z^ 



22 \ Time. 



2/ \ Errors. 



. ZO 

 i9 

 /8 



n 

 lb 



15 

 IH- 

 /5 

 IZ 



II 



10 



« 

 7 

 6 

 5 

 ^ 

 3 



/ 2 3 ^ v5 6 7 8~~'^~~"/o 



Fig. 8 — Learning curves, time and error, of rats with vibrissae cut on the right 

 side. 



Average time of the last ten trials in learning 17.8 sec. 



Average time of the last of these trials 10.2 " 



Slips and falls in the first twenty-five trials (avg.) 10.2 



These summaries speak or themselves. There are still a great 

 number of slips and there is still the characteristic behavior but 



