The phrase "affect his mind" is grammatically correct and can be used in written English.
Example sentence: The traumatic experience had a lasting impact on his mental health and greatly affected his mind.
On Monday, the New York Times's longtime medical correspondent, Dr. Lawrence Altman, dealt with the question of whether Ronald Reagan's dementia had begun to affect his mind during his Presidency.
By Jane Mayer February 24 , 2011On Monday, the New York Times's longtime medical correspondent, Dr. Lawrence Altman, dealt with the question of whether Ronald Reagan's dementia had begun to affect his mind during his Presidency.
Years later I was sitting, thinking about it, and I thought how really weird it would be if Frank Booth had only used the gas to change the sound of his voice, that it didn't affect his mind at all, and what a cold, calculating kind of guy that would be.
His purpose: to investigate how this isolation affected his mind, body and perceived passage of time.
Some people said they thought the two strokes he had suffered had affected his mind.
He was acquitted, but the case affected his mind, and he imagined himself persecuted, even by Siri.
When George Church, a Harvard geneticist whose lab collaborates with Hanley, heard about his injuries, he told me, "It sounds like it affected his mind more than his muscles".
His personal misfortune and the tribulation of his country affected his mind, and, though he was still able to produce some splendid poems, such as "Vén cigány" (1854; "The Old Gypsy"), he was unable to continue his former activity.
Crookes was the discoverer of thallium — a toxic element that some skeptics alleged had adversely affected his mind — and his work on cathode rays played a role in the discovery of the electron.
He acknowledged that the drop in velocity had affected his mind-set, causing him to overcompensate.
That, he says, affected his mind-set at the time of his announcement.
