| ASR | Acoustic startle reflex |
| OO | Orbicularis oculi |
| EAR | Eye Aspect Ratio |
| EMG | Electromyogram |
| SD | Standard Deviation |
| DSM-V | Diagnostic and Statistical Manual of Mental Disorders Fifth Edition |
| Hz | Hertz |
| dB | Decibels |
| N | Sample size |
| SLM | Sound level meter |
| MARS | Mobile acoustic-startle reflex monitoring system |
| RT | Reaction time |
| P | Probability value |