Delusion Delusional atmosphere 2023-07-28T13:55:40Z Delusional mood A persistent sense or a hunch that something is different in an imperceptible manner. Typically the perception is one of a sinister, portentous , uncanny, mysterious, or peculiar sense of foreboding in an indefinable way. There is an innate sense of inexplicable self-relevance to the person. There is often a feeling of anticipation, sometimes even excitement, that soon the mystery may be revealed and all the separate parts of their experience will fit together to reveal something immensely significant. The duration of this experience may vary, lasting from hours to days. It may be intermittent over an extended period of time (months to years).