From: The effects of increased fluid viscosity on swallowing sounds in healthy adults
 |  | Neutral position |  |  | Chin-tuck position |  |
---|---|---|---|---|---|---|
Feature | Water | Nectar-thick | Honey-thick | Water | Nectar-thick | Honey-thick |
 |  | apple juice | apple juice |  | apple juice | apple juice |
WE | 1.81 ±0.04 | 1.65 ±0.04 | 1.51 ±0.04 | 1.67 ±0.04 | 1.69 ±0.05 | 1.51 ±0.05 |
WE A-P | 1.78 ±0.04 | 1.55 ±0.04 | 1.39 ±0.03 | 1.71 ±0.04 | 1.65 ±0.04 | 1.65 ±0.04 |
WE S-I | 1.91 ±0.03 | 1.81 ±0.03 | 1.79 ±0.03 | 1.87 ±0.04 | 1.91 ±0.04 | 1.96 ±0.04 |