

FIG. 21. Photograph of a subject, in position for the association experiments. 



The arrangement of the sphygmograph and the psycho-galvanic electrodes can be seen in 

 the photograph, as well as the operator's table with its switches. (See p. 109.) 



-V/-'''"'' / /VA-V,' ''<;V- 



- 6 



1 76 



1 17 



V*f| 



1. 20 



FIG. 22. Typical record of a word-reaction experiment. 



