An interesting hypnotism experiment may be tried by throwing a patient into lethargy on one side and catalepsy on the other. To induce what is called hemi-lethargy and hemi-catalepsy is not difficult.
First, the lethargic hypnotic stage is induced, then one eyelid is raised, and that side alone becomes cataleptic, and may be operated on in various interesting ways. The arm on that side, for instance, will remain raised when lifted, while the arm on the other side will fall heavily.
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