| NOUN | act | prefrontal leucotomy, lobotomy, leukotomy, leucotomy, prefrontal lobotomy, prefrontal leukotomy, frontal lobotomy | surgical interruption of nerve tracts to and from the frontal lobe of the brain |
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| Meaning | Surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes. | |
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| Synonyms | lobotomy, leukotomy, leucotomy, prefrontal lobotomy, prefrontal leukotomy, frontal lobotomy | |
| Narrower | transorbital lobotomy | A method of performing prefrontal lobotomy in which the surgical knife is inserted above the eyeball and moved to cut brain fibers |
| Broader | psychosurgery | brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems |
| Spanish | leucotomía, lobotomía | |
| Catalan | leucotomia, leucotomía, lobotomia | |
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