Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Descriptors chosen for experiment 1
| Metallic | Other | No sensation | |
|---|---|---|---|
| Anterior tongue | |||
| Battery | 6 | 2 | 1 |
| Zinc penny | 7 | 4 | 1 |
| Copper only | 5 | 3 | 1 |
| Medial tongue | |||
| Battery | 4 | 4 | 2 |
| Zinc penny | 6 | 4 | 3 |
| Copper only | 2 | 1 | 6 |
| Inside upper lip | |||
| Battery | 0 | 4 | 5 |
| Zinc penny | 2 | 2 | 6 |
| Copper only | 0 | 1 | 9 |
| Cheek | |||
| Battery | 0 | 2 | 8 |
| Zinc penny | 1 | 1 | 7 |
| Copper only | 1 | 1 | 8 |
