Beauchamp:Stimuli

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McGurk Stimuli Available on YouTube

See also Beauchamp:McGurkStimuli for an archive of the actual AVI and WAV files.


McGurk stimulus: Auditory "ba" + Visual "ga" --> AV "da" http://www.youtube.com/watch?v=WK3T7LWIkP8

McGurk stimulus: Auditory "pa" + Visual "ka" --> AV "ta" http://www.youtube.com/watch?v=An5vvn-gcwA

Bearded guy: http://www.youtube.com/watch?v=aFPtc8BVdJk

Brain Rules Book: http://www.youtube.com/watch?v=I1XWDOwH47Y&NR=1

German guy: http://www.youtube.com/watch?v=rIWrnJH2jAY

Sentence level McGurk guy: http://www.youtube.com/watch?v=DsdyE491KcM

BBC McGurk guy: http://www.youtube.com/watch?v=ypd5txtGdGw&feature=more_related

Curly-haired girl: http://www.youtube.com/watch?v=9aAmTNdkEPw&feature=related

Shelves guy: http://www.youtube.com/watch?v=lo-iBiEiLxs&feature=related

Brian Sawyer: http://www.youtube.com/watch?v=DPlxRtdzLIA&feature=more_related

Blue and Yellow Stripe Guy: http://www.youtube.com/watch?v=0bgY6AxeBeU&NR=1

Dk-haired Bearded guy: http://www.youtube.com/watch?v=5Lq26mgFpOc&feature=more_related

Guy with Glasses - words: http://www.youtube.com/watch?v=BgDhafI9n1I&feature=related


When showed on a video projector (such as for giving a talk), some of Audrey's stimuli are very dark so that the mouth is invisible. To fix this, use iMovie to brighten the clips. The following parameters were used:

 exposure/brightness/contrast/saturation
 156%/ 53%/ 57%/ 200%

Alternately, use the Auto button in iMovie. This sets the following

 Levels (left slider) = 0   Levels (Right slider) = 70%


The new stimuli we recorded were edited on Final Cut Pro, cut to 2 seconds in length with the onset of the sound at the mid-time point. They were exported as .mov files.

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