Table 3 Mean amplitude (μV) of group-averaged ERPs and the results of a two-sample paired t test in two conditions at different grains
From: Visual perception of different wood surfaces: an event-related potentials study
ERPs | Location | Radial | Tangential | T | p | ||
|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | ||||
N100 | Frontal | − 3.13 | 2.17 | − 2.95 | 2.18 | − 1.660 | 0.112 |
Central | − 2.55 | 1.79 | − 2.50 | 1.82 | − 0.591 | 0.628 | |
P200 | Central-parietal | 1.45 | 2.60 | 1.11 | 2.50 | 2.403 | 0.026 |
Parietal | 3.90 | 2.96 | 3.34 | 2.83 | 4.497 | <Â 0.001 | |
N200 | Frontal | − 2.02 | 3.17 | − 2.35 | 3.13 | 1.983 | 0.061 |
Central | 0.46 | 2.56 | 0.02 | 2.50 | 2.763 | 0.012 | |