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ERIC Number: EJ934349
Record Type: Journal
Publication Date: 2011-Jun
Pages: 10
Abstractor: As Provided
Reference Count: 42
ISSN: ISSN-0096-1523
Sound Affects the Speed of Visual Processing
Keetels, Mirjam; Vroomen, Jean
Journal of Experimental Psychology: Human Perception and Performance, v37 n3 p699-708 Jun 2011
The authors examined the effects of a task-irrelevant sound on visual processing. Participants were presented with revolving clocks at or around central fixation and reported the hand position of a target clock at the time an exogenous cue (1 clock turning red) or an endogenous cue (a line pointing toward 1 of the clocks) was presented. A spatially irrelevant sound presented 100 ms before the cue speeded visual latency when compared with a sound presented 100 ms after the cue. The effect of the sound was larger the farther the target was from fixation, and it was larger for endogenous than exogenous cues. A visual temporal warning signal had different effects on perceptual latency. These results demonstrate that an asynchronous sound can shift the perceived time of occurrence of a visual cue (temporal ventriloquism) and speed the velocity of the attentional shift toward the target. Sounds thus have multiple effects on visual perception. (Contains 3 figures and 1 table.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A