This suggests that the illusion reflects subjective perception of the extra flash.

Image quality can, however, also be related to the subjective perception of an image, e.g., a human looking at a photograph.

The lifeworld, in contrast, describes the subjective perception of these conditions.

Subjective perception of time, space or self may strongly change or disappear during ecstasy.

The subjective perception of pain rather escalates with an increasing number of strokes through ascending activation of the nociceptors.