This scene had a huge impact on me. "Altered States", 1980. Admittedly, I was 9 at the time and my folks werent aware I had access to the movie. In retrospect, I was blessed by this opportunity because it altered and enhanced my mind, vision and direction in regards to art.

Here is the link to that specific scene:
https://www.youtube.com/watch?v=40FiMy-ak0k&list=PLs9NSPcyGd9g_1U9PjriSPQqWlqYM97JJ&index=14