| 5-HT | 5-hydroxytryptamine |
| ASD | Autism spectrum disorder |
| cDNA | Complementary DNA |
| CPM | Count per minute |
| CIT | Citalopram |
| DMSO | Dimethyl sulfoxide |
| DNT | Developmental neurotoxicity |
| FC | Fold changes |
| FLX | Fluoxetine |
| hESCs | Human embryonic stem cells |
| hNSCs | Human neural stem cells |
| PAR | Paroxetine |
| RT-qPCR | Reverse transcriptase quantitative polymerase chain reaction |
| SERT | Serotonin transporter |
| SSRI | Selective serotonin reuptake inhibitors |