psychosurgery
noun
psy·cho·sur·gery ˌsī-kō-ˈsər-jə-rē 
-ˈsərj-rē
: cerebral surgery employed in treating psychic symptoms
psychosurgeon
ˌsī-kō-ˈsər-jən
noun psychosurgical
ˌsī-kō-ˈsər-ji-kəl
adjective 
Example Sentences
Recent Examples on the Web The fascination with psychedelic drugs, psychosurgery, brain-stimulation devices, intravenous infusions, etc., is symptomatic of the current mental health crisis. 
New York Times, 31 May 2018 Although Moniz would share the 1949 Nobel Prize in medicine for his pioneering work in psychosurgery, the lobotomy had not only fallen out of favor by the 1950s but was being excoriated as a barbaric practice. Tony Long, WIRED, 12 Nov. 2010
New York Times, 31 May 2018 Although Moniz would share the 1949 Nobel Prize in medicine for his pioneering work in psychosurgery, the lobotomy had not only fallen out of favor by the 1950s but was being excoriated as a barbaric practice. Tony Long, WIRED, 12 Nov. 2010 Word History
First Known Use
1936, in the meaning defined above
Medical Definition
psychosurgery
noun
psy·cho·sur·gery -ˈsərj-(ə-)rē
plural psychosurgeries
: cerebral surgery employed in treating psychic symptoms