PREFRONTAL LOBOTOMY IN TREATMENT OF CHRONIC PSYCHOSES

Abstract
For the past decade the surgical approach to the treatment of mental disease has been attaining increasing prominence1and recognition2in this country. As an attack on the intact brain tissue for the relief of mental symptoms, it is comparable to differential section of the posterior trigeminal root for the relief of intractable physical pain.3The first, and isolated, attempts at surgical treatment of mental derangements can be traced back to Burckhardt's4unilateral multiple cortical excisions (1890), to Puusepp's5unilateral subcortical section of the centrum semiovale in the frontal region of the dominant hemisphere (1906 to 1910) and to ody's6unilateral lobectomy (1936). The recent discoveries in the field of neurophysiology7and psychopathology8were put into use by Egas Moniz and Almeida Lima9(1935) on the European continent. Freeman and Watts,10in this country, have introduced and improved the method

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