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Published Online:https://doi.org/10.1176/ajp.112.5.349

Thirty schizophrenic "dullards" were given a full course of insulin coma therapy, combined, in 10 patients, with electroplexy. The results are discussed and compared with those of the same treatment in schizophrenic patients of originally average normal intelligence. The influence of mental dullness on the course of a schizophrenic psychosis is discussed, but no definite hypothesis is put forward to explain its mechanism.

The poor response to treatment of this group leads us to doubt that insulin coma therapy is indicated with this type of patient.

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