Lobotomy meaning

lə-bŏt'ə-mē, lō-
The definition of a lobotomy is a surgery where part of the brain is cut.

An example of a lobotomy is a surgery primarily used in history to treat psychosis.

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Surgical incision into the frontal lobe of the brain to sever one or more nerve tracts, a technique formerly used to treat certain mental disorders but now rarely performed.
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A surgical operation in which a lobe of the brain, esp. the frontal lobe of the cerebrum, is cut into or across: once a treatment for psychoses.
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Surgical incision into the frontal lobe of the brain to sever one or more nerve tracts, a technique formerly used to treat certain mental disorders but now rarely performed.
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Surgical incision into the frontal lobe of the brain to sever one or more nerve tracts, a technique formerly used to treat certain psychiatric disorders but now rarely performed.
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A surgical operation on the frontal lobe of the brain intent on treating certain mental illnesses.
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The severing of the prefrontal cortex from the thalamic region of the brain.
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The severing of the sympathetic nerve trunk.
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Origin of lobotomy

From Ancient Greek λοβός (lobos, “lobe (of the brain)") + τομή (tome, “cut, slice").