| 31. | In spite of the award of the Nobel Prize to Moniz, the popularity of psychosurgery decreased during the 1950s.
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| 32. | In the United States the use of psychosurgery probably peaked at an estimated 5, 000 or so operations annually.
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| 33. | In the United Kingdom, psychosurgery continued during the 1990s at the rate of fewer than 30 operations a year.
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| 34. | Psychosurgery has always been a controversial treatment, and ethical concerns about its use were raised early in its history.
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| 35. | But early drafts of the proposal included descriptions of human experiments, including psychosurgery, or brain surgery to change behavior.
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| 36. | "' Friederich Golz "'was a German scientist and researcher, who was a pioneer in psychosurgery.
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| 37. | An association with the Burden Neurological Institute from 1939 meant that Barnwood House patients were used in early experiments with psychosurgery.
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| 38. | The use of psychosurgery increased during the 1940s, and there was a proliferation of the techniques used for the operation.
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| 39. | Gaustad in Norway became a particular centre for psychosurgery in the mid-1950s, with money from the United States.
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| 40. | The use of psychosurgery in the United States is difficult to estimate but continues at one centre at least in Massachusetts.
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