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ERIC Number: EJ921455
Record Type: Journal
Publication Date: 2011-Jun
Pages: 7
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0010-0277
Why Are Auditory Novels Distracting? Contrasting the Roles of Novelty, Violation of Expectation and Stimulus Change
Parmentier, Fabrice B. R.; Elsley, Jane V.; Andres, Pilar; Barcelo, Francisco
Cognition, v119 n3 p374-380 Jun 2011
Past studies show that novel auditory stimuli, presented in the context of an otherwise repeated sound, capture participants' attention away from a focal task, resulting in measurable behavioral distraction. Novel sounds are traditionally defined as rare and unexpected but past studies have not sought to disentangle these concepts directly. Using a cross-modal oddball task, we contrasted these aspects orthogonally by manipulating the base rate and conditional probabilities of sound events. We report for the first time that behavioral distraction does not result from a sound's novelty "per se" but from the violation of the cognitive system's expectation based on the learning of conditional probabilities and, to some extent, the occurrence of a perceptual change from one sound to another.
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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