{{Rsnum
|rsid=2616984
|Gene=CSMD1
|Chromosome=8
|position=4625619
|Orientation=plus
|GMAF=0.2144
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=CSMD1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 41.6 | 47.8 | 10.6
| HCB | 100.0 | 0.0 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 46.3 | 43.5 | 10.2
| ASW | 59.6 | 36.8 | 3.5
| CHB | 100.0 | 0.0 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 57.4 | 35.6 | 6.9
| LWK | 56.0 | 36.7 | 7.3
| MEX | 63.8 | 32.8 | 3.4
| MKK | 50.0 | 36.5 | 13.5
| TSI | 47.1 | 39.2 | 13.7
| HapMapRevision=28
}}
{{PMID|20125193|OA=1
}} non sig. gwas, hit (p = 4 x 10^-6) for backwards digit span

{{PMID Auto GWAS
|PMID=20125193
|Trait=Cognitive Performance
|Title=Common genetic variation and performance on standardized cognitive tests
|RiskAllele=
|Pval=0.000004
|OR=None
|ORtxt=None
|OA=1
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}