He survived six brain operations over the next four decades.

Do you know what it takes to perform a brain operation?

I also ordered some water in deference to my recent brain operation.

There was one about a man whose senses were somehow scrambled after a brain operation.

She died of infection two weeks after a brain operation that may not have been necessary.

Second, the brain operation, in which harmful past memories are erased.

He had a brain operation in 1937, but he died.

He was probably the first person to perform a successful brain operation in England.

I had intended to attempt any future brain operations myself.

"I was up to 10 miles before the brain operation," he said.