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1 Possible Causes for Inappropriate Laughter Accompanying Visual Hallucinations

  • Usher Syndrome Type 3B

    Definition A syndrome characterized by progressive vision and hearing loss during early childhood. Some patients have the so-called 'Charles Bonnet syndrome,' involving decreased visual acuity and vivid visual hallucinations. USH is a genetically heterogeneous condition characterized by the association of retinitis[…][uniprot.org]

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