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. Author manuscript; available in PMC: 2007 Jun 5.
Published in final edited form as: Eur J Neurosci. 2004 Oct;20(8):2225–2234. doi: 10.1111/j.1460-9568.2004.03670.x

Figure 1. Time-Course of an Auditory-Visual non-Target Trial.

Figure 1

Each trial began with the presentation of a blank screen for 500 ms. Then a still image of a closed mouth was displayed during a random period of 340–840 ms. The mouth began to move 240 ms (6 frames) before opening (time zero). Then, the corresponding sound was played. The lip movement ended 280 ms after time zero with an image of the closed mouth that remained for a random time of 500–700 ms for non-target trials, and until the key press for target trials (or for 1500 ms if the subject did not respond). In the visual-only condition, the time course was similar except that the sound was not played. In the auditory-only condition, the mouth remained closed all along the trial. (VOT = Voice Onset Time)