| method | Communication |
| 1 | Eye gaze |
| 2 | Pupil alteration |
| 3 | Facial expression (>10,000) |
| 4 | Gesturing |
| 5 | Body posture (~250,000) |
| 6 | Musicality |
| 7 | Visual art |
| 8 | Prosody |
| 9 | Language |
| 10 | Olfaction |