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The question therefore arises, whether similar rules are applicable 
to subconscious psychical complexes. By numerous experiments it has 
been determined that the total contents of our consciousness embrace 
far more than we are aware of at a definite moment. Practice 
depends upon subconscious after-effects. It would be impossible to 
read and understand a book or to follow a lecture without such 
after-effects. Tact and experience are manifestations of subconscious 
psychical after-effects. Some experiments personally performed, and 
which exemplify the mutual influence of central consciousness upon 
subconsciousness, and of subconsciousness upon central consciousness 
I shall annex here. For these investigations hypnotic states are most 
suitable. . 
I instructed two individuals in hypnotic state to re-read six pairs 
of meaningless syllables, so often till they could repeat the paired 
syllable when only the first was mentioned according to the “treffer” 
method. 
Number of repetitions. Percentage RL aia 
Subject. a | cain? without previous 
Hypnosis. | Awake. hypnosis. 
En 14 1 50 23 
15 9 40 21 
17 9 47 24 
22 10 54.1 20 
12 1 41.7 
12 6 50 
12 5 58.3 
15 1 53.7 
E 14 7 50 20 
17 8 52.9 23 
15 9 40 21 
14 9 35.7 22 
15 6 60 
17 8 52.9 
18 10 44.5 
Both subjects were in a state of somnabulism and could recollect 
