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This comparative study of Icelanders, born during the period 1881–1910, indicates that close relatives of psychotic individuals have a significantly increased probability of being considered persons of eminence. Their rate of listing in Who Is Who is doubled, both in regard to general listings and those based on artistic or scholastic endeavors. Review of relevant literature supports the view that the dominant principal gene proposed for schizophrenia may in a heterozygous state lead to cerebral stimulation, with improved performance in areas of giftedness and creativity.
Jón Karlsson (Wed,) studied this question.
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