Researchers have completed the first-ever genome-wide scan of synesthesia, a condition in which sensory stimuli cross wires and combine such that people "see" sounds or "taste" shapes, according to a study published online today in the linkurl:American Journal of Human Genetics.;http://www.cell.com/AJHG/home Investigators at the Wellcome Trust Centre for Human Genetics at the University of Oxford pinpointed four areas of the genome associated with the disorder. Those regions contain genes that have been associated with autism and dyslexia, as well as genes involved in different aspects of brain development, and further analysis could illuminate how genetics drives complex cognitive traits, the authors say. "It's exciting that we have a study about the genetic basis of synesthesia -- finally," said linkurl:Noam Sagiv,;http://people.brunel.ac.uk/~hsstnns/ a cognitive neuroscientist at Brunel University in the UK, who was not involved in the research. Until now "we've just been guessing," he said, by "using data based...
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