| BDNF | Brain-derived neurotrophic factor |
| DAT | Dopamine transporter |
| FAAH | Fatty acid amide hydrolase |
| GWAS | Genome-wide association study |
| TLR4 | Toll-like receptor 4 |
| TMT-A | Trail Making Test Part A |
| TMT-B | Trail Making Test Part B |
| MD-2 | Differentiation protein 2 |
| SNPs | Single-nucleotide polymorphisms |
| VMAT1 | Vesicular monoamine transporter 1 |
| VMAT2 | Vesicular monoamine transporter 2 |