Narrative jump forward in time — scene shows what's coming before the present explains it. Hitchcock used it for suspense, Nolan for disorientation.
The viewer is shown something that should not have happened yet within the narrative timeline—and is later made to understand why. This is prolepsis: a deliberate anticipation of the story's future, which breaks chronology and creates suspense or disorientation. On set, you only truly notice this during editing—when images appear whose context is missing until the narrative justifies them.
Hitchcock was a master of this: in Psycho, we see scenes from Norman Bates' perspective, mirroring his perception, before we understand that his deceased mother lives in his head. Here, prolepsis functions not as a spectacular jump cut, but as a subtle shift in optical logic—the viewer registers the anomaly without being able to name it. This is cinematic unease.
Nolan uses prolepsis structurally: in Dunkirk, he cuts between three time levels; in Inception, dream levels overlap—the viewer is actively drawn into uncertainty because images from the future infiltrate the present. This is not elegant Hitchcockian suspense, but cognitive disorientation as a design element. The effect: confusion is the emotional information.
In practical work, prolepsis often means you shoot scenes whose context you yourself do not yet fully know. The director wants to see an image from scene 47 in scene 12—not as an editing trick, but as actual narrative time. This requires trust in the editing dramaturgy. Most importantly: prolepsis is not the same as flashforward or montage. It is a narrative principle that manipulates the causality of the image sequence itself.
Related terms include anachrony, montage, and point-of-view editing—but while these are techniques, prolepsis is a narrative unconsciousness. It only works when the viewer sees the image without understanding its temporal placement. This is the subtle, unsettling space in which modern narrative cinema operates.