Variant: rs2734839 

    present in Gene: DRD2
    present in Chromosome: 11
    Position on Chromosome: 113415768
    Alleles of this Variant: C/A;T

rs2734839 in DRD2 gene and Processing speed PMID 25869804 2016 GWAS for executive function and processing speed suggests involvement of the CADM2 gene.