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"Picture Within a Picture" Sign

"Picture Within a Picture" Sign

Following a right parieto-occipital infarction, a patient complained of seeing people moving about in the left lower quadrant of the visual field while vision was normal in the remainder of the visual field, a phenomenon labeled the "picture within a picture" sign. This has been categorized as a visual release hallucination.

 

References

Benegas MN, Liu GT, Volpe NJ, Galetta SL. "Picture within a picture" visual hallucinations. Neurology 1996; 47: 1347-1348