Table 2.
Foot sole cutaneous afferent class numbers and percentages, monofilament firing thresholds, and receptive field areas
| Monofilament Threshold, g |
Receptive Field Area, mm2 |
||||
|---|---|---|---|---|---|
| Number (%) | Mean (median) | Range | Mean (median) | Range | |
| Afferent class | |||||
| FAI | 184 (51%) | 1.32 (0.69) | 0.04–8.51 | 80.6 (55.0) | 9.4–636.2 |
| FAII | 43 (12%) | 3.33 (0.50) | 0.03–60 | 872.7 (481.1) | 39.3–5222.9 |
| SAI | 63 (17%) | 4.12 (1.74) | 0.16–26 | 76.1 (66.4) | 4.7–294.5 |
| SAII | 74 (20%) | 25.16 (10.0) | 0.60–300 | 248.1 (171.6) | 7.1–1345.5 |
| Total | 364 (100%) | ||||
Values are numbers and percentages of foot sole cutaneous afferents by class, monofilament firing thresholds, and receptive field areas. FAI, fast-adapting type I; FAII, fast-adapting type II; SAI, slowly adapting type I; SAII, slowly adapting type II.