Table 2. Descriptors provided for characterizing the evoked percepts.
The various descriptors that subjects were asked to choose from while describing the modality and intensity of the evoked sensory percept. Visual analog scales (VAS) were presented as a slider bar and no specific numbers were shown.
| Naturalness | Depth | Mechanical | Tingle | Movement | Temperature |
|---|---|---|---|---|---|
| VAS (Totally Unnatural to Totally Natural) |
Skin surface | Touch | Electrical | Vibration | VAS (Very Cold to Very Hot) |
| Below skin | Pressure | Tickle | Body/limb/joint | ||
| Diffuse | Sharp | Itch | Across skin | ||
| Both | Pins and Needles | ||||
| VAS (intensity) |
VAS (intensity) |
VAS (intensity) |