Table 1.
Event Related Potentials | |||||||||
---|---|---|---|---|---|---|---|---|---|
Variable | Definition | Suspected Latency | Regions of Interest | ||||||
DLPC | PC | PMC | IOC | AG | FG | SAC | |||
N1 | First negative going peak | 90–150 ms | X | X | X | ||||
P2 | Second positive going peak | 80–260 ms | X | X | |||||
N2 | Second negative going peak | 200–315 ms | X | X | |||||
P3b | Third and largest positive going peak | 280–450 ms | X | X | X | ||||
Spectral Bands | |||||||||
Symbol | Name | Frequency | Regions of Interest | ||||||
DLPC | PC | PMC | IOC | AG | FG | SAC | |||
θ | Theta | 4–<8 Hz | X | X | X | X | X | X | X |
Lα | Lower alpha | 8–<10 Hz | X | X | X | X | X | X | X |
Uα | Upper alpha | 10–<13 Hz | X | X | X | X | X | X | X |
DLPC = dorsolateral prefrontal cortex (Fz, F3 and F4), PC = premotor cortex (FC1 and FC2), PMC = primary motor cortex (Cz, C3 and C4), IOC = inferior/orbitofrontal cortex (F7), AG = angular gyrus (P3 and P4), FG = fusiform gyrus (P7, P8, PO9 and PO10), SAC = somatosensory association cortex (Pz).