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Table 1 Sequence of events in each experimental trial.

From: Effect of initiation-inhibition and handedness on the patterns of the P50 event-related potential component: a low resolution electromagnetic tomography study

Sequence of actions

Duration of actions

Auditory sentence presentation

3-5 sec

EEG recording

500 ms

Warning stimulus*

100 ms

ERP recording*+

1 sec

Warning stimulus repetition

100 ms

Response onset

Within 5 sec

Period between response completion and onset of next sentence presentation

4-9 sec

  1. *Simultaneous onset of warning stimulus and of ERP recording
  2. +Peak amplitudes were measured relatively to the mean amplitude of the 100 ms pre-stimulus baseline period; latency measurements were computed relatively to warning stimulus onset.