The researchers looked at a type of genetic change called copy number variants, which refers to the number of copies of genes in human DNA. (sciencedaily.com)
They found eight locations in the genome with copy number variants associated with schizophrenia risk. (sciencedaily.com)
The researchers are analyzing more patient samples looking for additional cases of multiple copy number variants to continue their investigation of what may trigger this rare phenomenon. (sciencedaily.com)