Nonlinear narrative, disjointed narrative, or disrupted narrative is a narrative technique where events are portrayed, for example, out of chronological order or in other ways where the narrative does not follow the direct causality pattern of the events featured, such as a tale told by a madman, who 

Disorganized schizophrenia is associated with symptoms like disorganized speech, thinking, and behavior. These can make it difficult to carry out daily tasks and communicate with others.

Nate might as well have been speaking in reverse order since he was diagnosed with dementia praecox for all i could make out of him.