Locations of genes implicated in spatial learning from gene knock-out studies (list from Sanes and Lichtman, 1999)
| Gene | Chromosome | Gene | Chromosome |
|---|---|---|---|
| GLUR2 | 3 | PSD95 | 11 |
| mGLUR1 | 11 | RARβ | 14 |
| mGLUR4 | 9 | CREB | 15 |
| mGLUR5 | 16 | KROX 24 | 18 |
| MAS proto-oncogene | 17 | KROX 20 | 10 |
| NMDA NR1 | 2 | NCAM 1 | 9 |
| NMDA NR2A | 16 | NCAM 2 | 16 |
| NMDA NR2D | 7 | N-cadherin | 18 |
| β-Adrenergic receptor | 18 | E-cadherin | 8 |
| Adenosine A2B receptor | 11 | THY-1 | 9 |
| Adenosine A2A receptor | 10 | L1 CAM | X |
| Dopamine D1A receptor | 13 | Inositol 1,4,5 trisphosphate 3 kinase | 7 |
| Nocicetin receptor | 2 | Tyrosine-protein kinase FYN | 10 |
| BDNF | 2 | Activator | 8 |
| Calretinin | 8 | Ubiquitin-protein ligase E3A | 7 |
| Olfactory cyclic nucleotide-gated channel | X | Phospholipase A2 | 10 |
| RAB3A | 8 | Adenylyl cyclase type I | 11 |
| Glial fibrillary acidic protein, astrocyte | 11 |