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Journal Article

Disruption of order information by irrelevant items: A serial recognition paradigm

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons186

Uddén,  Julia
Neurobiology of Language Group, MPI for Psycholinguistics, Max Planck Society;
The Neurobiology of Language, MPI for Psycholinguistics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons147

Petersson,  Karl Magnus
Neurobiology of Language Group, MPI for Psycholinguistics, Max Planck Society;
The Neurobiology of Language, MPI for Psycholinguistics, Max Planck Society;

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Gisselgard_2007_disruption.pdf
(Publisher version), 173KB

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Citation

Gisselgard, J., Uddén, J., Ingvar, M., & Petersson, K. M. (2007). Disruption of order information by irrelevant items: A serial recognition paradigm. Acta Psychologica, 124(3), 356-369. doi:10.1016/j.actpsy.2006.04.002.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-1823-F
Abstract
Irrelevant speech effect (ISE) is defined as a decrement in visually presented digit-list short-term memory performance due to exposure to irrelevant auditory material. Perhaps the most successful theoretical explanation of the effect is the changing state hypothesis. This hypothesis explains the effect in terms of confusion between amodal serial order cues, and represents a view based on the interference caused by the processing of similar order information of the visual and auditory materials. An alternative view suggests that the interference occurs as a consequence of the similarity between the visual and auditory contents of the stimuli. An important argument for the former view is the observation that ISE is almost exclusively observed in tasks that require memory for serial order. However, most short-term memory tasks require that both item and order information be retained in memory. An ideal task to investigate the sensitivity of maintenance of serial order to irrelevant speech would be one that calls upon order information but not item information. One task that is particularly suited to address this issue is serial recognition. In a typical serial recognition task, a list of items is presented and then probed by the same list in which the order of two adjacent items has been transposed. Due to the re-presentation of the encoding string, serial recognition requires primarily the serial order to be maintained while the content of the presented items is deemphasized. In demonstrating a highly significant ISE of changing versus steady-state auditory items in a serial recognition task, the present finding lends support for and extends previous empirical findings suggesting that irrelevant speech has the potential to interfere with the coding of the order of the items to be memorized.