EFFECT OF ALCOHOL ON REACTION TIME 



L45 



to respond to a sight stimulus, i. e., liis normal reaction 

 time for sight, is estimated. 



The subject now takes by stomach five or ten cubic cen- 

 timeters of whiskey or brandy well diluted with water. A 



Fig. 135. Simple key. 



little sugar may be added to the water in order to in- 

 duce the subject to take the drug more readily. After fif- 

 teen minutes the student's reaction time for sight is again 



Replaceable fort 



Fig. 136. Electric tuning fork. 



taken. Is there any change! How do you account for 



this? "\Vhat portions of the nervous system are involved? 



2. Arrange a telephone in the secondary circuit of an in- 



