OREANDA-NEWS. Astronomers scientists have discovered the genetic correlation associated with the left-handers. In addition, were able to detect structural brain characteristics that are more common in lefties. The results show that the genetic characteristics of left-handers similar to humans with reduced risk of Parkinson's disease but with increased risk of schizophrenia. The study was published in the journal Brain.

Search results of correlations between structural features of the brain and left-handers showed that left-handers have a more intimate connection between the speech centers of the different hemispheres. In addition, the researchers saw the common features of paths that connect the language centers of the left and patients with schizophrenia who experience auditory hallucinations.

Scientists say that the genetic characteristics of left-handers resemble those in humans with a lower risk of Parkinson's disease, which is regulated by the genome of MART. But another feature associated with the regulation of the gene MICB.