prefrontal lobotomy


noun

Surgery. a psychosurgical procedure in which the frontal lobes are separated from the rest of the brain by cutting the connecting nerve fibers.

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Also called frontal lobotomy, lobotomy.

Origin of prefrontal lobotomy

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for prefrontal lobotomy

prefrontal lobotomy

n.

A lobotomy in which the white fibers that connect the thalamus to the prefrontal and frontal lobes of the brain are severed, performed as a treatment for intense anxiety or violent behavior.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.