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An example of the scintillating grid illusion. Dark dots seem to appear and disappear at intersections. The scintillating grid illusion is an optical illusion, discovered by E. and B. Lingelbach and M. Schrauf in 1994. [2] It is often considered a variation of the Hermann grid illusion but possesses different properties. [2] [3]
A trompe-l'œil body painting by Joanne Gair. The dress: An optical illusion resulting from the brain's attempt to discount coloured tinting from daylight and other sources. [1] The dress was a viral phenomenon, which was either seen as blue and black or as white and gold. Its true colours were eventually confirmed to be blue and black. [2]
A painting depicting Daniel O'Connell dreaming of a confrontation with George IV, shown inside a thought bubble. A dream is a succession of images, ideas, emotions, and sensations that usually occur involuntarily in the mind during certain stages of sleep. [1]
Lucid dreams by definition occur during sleep, but they may be regarded as hallucinatory experiences in the same way as non-lucid dreams of a vivid perceptual nature may be regarded as hallucinatory, that is they are examples of 'an experience having the character of sense perception, but without relevant or adequate sensory stimulation ...
A dream dictionary (also known as oneirocritic literature) is a tool made for interpreting images in a dream. Dream dictionaries tend to include specific images which are attached to specific interpretations. However, dream dictionaries are generally not considered scientifically viable by those within the psychology community.
1. The Dream: Random Sex with a Stranger. So your promiscuous side came out to play with a total stranger while you were sound asleep and you’re wondering what this risky business was all about.
Visual snow syndrome (VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white, black, transparent, or colored dots across the whole visual field. [7] [4] Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and tension headaches.
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