Julianne Moore Pinpoints the Most 'Exciting' Part of Her Iconic Career After 4 Decades in Hollywood (Exclusive)

After 4 decades successful Hollywood, Julianne Moore is capable to pinpoint nan astir thrilling portion of her career.

The Oscar, Emmy and SAG-award winner, 64, tells PEOPLE successful an exclusive question and reply that amid each nan glitz, glamour and accolades that travel arsenic an A-list actress, she conscionable loves getting to spell to activity astatine nan extremity of nan day.

"The champion portion of my occupation is nan existent working, is nan doing of it, because that's what keeps maine coming back," Moore — who has collaborated with Lilly to motorboat its new Brain Health Matters campaign — says.

"I for illustration that imaginative experience. I for illustration going successful location and building it pinch a group of people, and, successful a sense, you're each making thing retired of nothing, because it's an progressive imagination," continues nan star.

Adds Moore: "Someone has written thing down, personification is lensing it and group are pretending to beryllium characters wrong it, but you are each coming together to show this story. That's so, truthful breathtaking for me."

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Moore's large break came successful 1985, erstwhile she was formed successful nan soap opera As nan World Turns, successful which she played some roles of half-sisters Frannie and Sabrina Hughes. (She won a Daytime Emmy Award for Outstanding Ingenue successful a Drama Series for nan part.)

The character later went connected to found herself arsenic a starring woman successful Hollywood, starring successful beloved projects, including The Hunger Games: Mockingjay – Part 1 and Part 2, Magnolia, Far from Heaven, The Hours, The Big Lebowski and May December, to sanction a few.

Moore has earned aggregate awards, and she has besides scored wins astatine various manufacture events complete nan years, including the Cannes Film Festival and the Venice Film Festival.

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Moore has been nominated 5 times astatine nan Academy Awards, and she won successful nan Best Actress class for her film Still Alice in 2015. Recalling nan first clip she was nominated for Boogie Nights, nan mother of two tells PEOPLE, "I couldn't judge it. That was a infinitesimal that was really unusual for me, because I'd been retired of it, because I conscionable had a baby, and erstwhile nan information came in, I was like, 'What?' "

"I'd been spending each this clip taking attraction of this teeny baby, and you're not terribly conscious afterwards, you're still floating astir successful a haze of early motherhood, and past abruptly location was this Oscar nomination," adds Moore. "All of that seemed to beryllium conscionable benignant of crazy, and I deliberation having them hap together for illustration that, that was thing I couldn't rather wrap my caput around."