Аннотация
We describe a study of 11-year-old twin sisters who are physically
identical in appearance but who have considerably different conscious
experiences. One twin appears to be a synaesthete in that she states
that she has specific colour experiences (i.e. photisms) whenever
she views, hears or thinks of digits. The other twin does not report
such conscious experiences when viewing, hearing or thinking about
digits. A genotypic analysis using eight microsatellite loci plus
the gender of the twins and their parents confirmed that the twins
are monozygotic. A phenotypic analysis using a modification of the
Stroop task confirmed that only one twin is a synaesthete. We suggest
that the discordance in synaesthesia may be due to either an epigenetic
event, X chromosome inactivation, or a mutation of a synaesthesia
gene.
- child,color,consciousness,female,genotype,hallucinations,humans,monozygotic,monozygotic:
- chromosome,x
- chromosome:
- genetics
- perception,x
- psychology,twins,visual
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