| Similarity | Rank | |
|---|---|---|
| yawns | 0.855 | 72013 |
| yawn | 0.771 | 35058 |
| arousal | 0.711 | 21553 |
| wakefulness | 0.706 | 61910 |
| habituation | 0.699 | 99173 |
| cholinergic | 0.698 | 88546 |
| hyperventilation | 0.691 | 89367 |
| sleepiness | 0.684 | 39645 |
| excitability | 0.679 | 87261 |
| neurogenic | 0.669 | 95958 |
| stimuli | 0.669 | 20260 |
| startle | 0.669 | 49659 |
| oxytocin | 0.660 | 47404 |
| convulsive | 0.651 | 85614 |
| twitching | 0.649 | 33223 |
| delirium | 0.649 | 41697 |
| wheezing | 0.649 | 38710 |
| breathlessness | 0.649 | 71854 |
| hypotension | 0.643 | 45505 |
| striatum | 0.642 | 92607 |
| dopaminergic | 0.640 | 78727 |
| restlessness | 0.640 | 35325 |
| rats | 0.639 | 10044 |
| dyspnea | 0.639 | 77250 |
| drowsiness | 0.639 | 32853 |