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to deal with a suspension of consciousness, of which the patients 
often show the outward signs, but with preoccupation. 
Preoccupation. 
Respiration 
Pulse. 
Psychogalvanometer. 
Fig. 4. 
With these stupor-patients (see fig. 4) the psychogalvanometer 
mostly does not respond to stimuli, which must be attributed to the 
fact that they are so entirely occupied with their own emotions, 
that the additional emotion leaves no result. 
Opposed to these states of preoccupation are psychic suspensions, 
as they normally occur in dozing, sleeping, and in coma. These 
suspensions can immediately be recognized by the extremely great 
