What is the shift of 1962 of film cinema?

Bob Signy: What is the shift of 1962 of film cinema?
I dont understand the “shift” of 1962 in film cinema. Please give examples and explain what it means.

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Answer by I was Born, But…
In American cinema it’s a reference to a shift to more artistic film, due to the failures and excesses of Hollywood at the time, and an enormous stylistic change influenced by the workers at the Cahiers du Cinema.