This is a FILMANALYTICAL, REQUIEM // 102 & FILM STUDIES FOR FREE video essay by Catherine Grant. It explores the use of split screens in some early sequences in REQUIEM FOR A DREAM (Darren Aronofsky, 2000).
The essay was made according to principles of Fair Use (or Fair Dealing), primarily with scholarly and critical aims, and was published under a Creative Commons Attribution-Noncommercial 3.0 License in November 2010.
For an accompanying written text explaining the context of the above video essay and expanding on some of its ideas, please visit:
There's also a related scholarly entry on cinematic split screens at Film Studies For Free: