Although the participants were, numerically-speaking, more sensitive to the temporal order of the auditory- and visual-speech streams for bilabial stimuli (M = 55 ms) than for either alveolar (M = 67 ms) or velar (M = 68 ms) stimuli (see Figure 3A ), this difference failed to reach statistical significance.
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Assessing the effect of physical differences in the articulation of consonants and vowels on audiovisual temporal perception.
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The sentences
The JND values showed a trend toward higher visibility stimuli resulting in numerically smaller JNDs, however, this effect was not significant.
The magnitude for each saliency rise and peak point, highlighted a clear trend for all stimuli with the magnitude being approximately the same for all points except for that of visual rise.