[Changes in the waking electroencephalogram in severe heroin addiction]

Of the synchroness slowing down of electrographic waves in animal experimently intoxicated with morphinic substances corresponds with the occurrance of addiction and tolerance to the products. In human's the progressive tolerance of the product can also be seen in course. This tolerance is accompagned by signs of dysfonction which question addiction to the product and its toxicity. Some of these signs are more specifically found in heroïnism.