| SI | Social isolation |
| Wt | Wild-type |
| IgLONs | Immunoglobulin superfamily of cell adhesion molecules |
| NCAM | Neural cell adhesion molecule |
| Negr1 | Neuronal growth regulator 1 |
| Negr1−/− | Negr1-deficient/knockout |
| Gad1 | Glutamic acid decarboxylase 1 |
| Gad2 | Glutamic acid decarboxylase 2 |
| Pvalb | Parvalbumin |
| Fgfr2 | Fibroblast growth factor receptor 2 |
| Bdnf | Brain-derived neurotrophic factor |
| Ntrk2 | Neurotrophic receptor tyrosine kinase 2 |
| TrkB | Tropomyosin receptor kinase B |
| Ntm 1a/1b | Neurotrimin 1a/1b |
| Lsamp 1a/1b | Limbic system associated protein 1a/1b |
| Cntn1 | Contactin 1 |
| ActB | Actin beta |
| Gapdh | Glyceraldehyde-3-phosphate dehydrogenase |
| Hprt | Hypoxanthine-guanine phosphoribosyltransferase 1 |
| Pgk1 | Phosphoglycerate kinase 1 |