Noun
any surgical procedure involving the brain
Source: WordNet1930s-1950s Although there had been earlier attempts to treat psychiatric disorders with brain surgery, it was Portuguese neurologist Egas Moniz who was responsible for introducing the operation into mainstream psychiatric practice. Source: Internet
A 9-year-old girl plays piano during brain surgery in Gwalior. Source: Internet
Anesthesia is not used during the middle of an "awake" brain surgery. Source: Internet
Among other things, the writer constantly received envelopes with photographs of car accidents, brain surgery and other frightening illustrations. Source: Internet
And as several wise folks have pointed out to me, this is not brain surgery. Source: Internet
According to information from his family, Woolsey spent eight months in Calgary’s Southwood Hospice, following brain surgery. Source: Internet