Use of visual information in speech perception: Evidence for a visual rate effect both with and without a McGurk effect From: Perception and Psychophysics | Date: July 1, 2005| Author: Brancazio, Lawrence; Miller, Joanne L | Copyright Psychonomic Society, Inc. Jul 2005. Provided by ProQuest LLC.Copyright information

The McGurk effect, where an incongruent visual syllable influences identification of an auditory syllable, does not always occur, suggesting that perceivers sometimes fail to use relevant visual phonetic information. We tested whether another visual phonetic effect, which involves the influence of visual speaking rate on perceived voicing (Green & Miller, 1985), would occur in instances when the McGurk effect does not. In Experiment 1, we established this visual rate effect using auditory...