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Article

Synaesthesia: discordant male monozygotic twins.

Neurocase - 1 Oct 2005

Smilek Daniel, Dixon Mike J, Merikle Philip M

Abstract excerpt

Grapheme-color synaesthesia, a condition in which achromatic graphemes elicit vivid experiences of color is believed to be a genetically determined trait. We describe a study of 10-year-old twin brothers who are physically identical in appearance but who have considerably different conscious experiences. A phenotypic analysis that measured the consistency of grapheme-color pairings over test-retest confirmed that...

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PMID: 16251137
DOI: 10.1080/13554790500205413

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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