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Spatial Change In Multisensory Distractors Impact On Spatial and Verbal Short-Term Memory Performance
Umeå University, Faculty of Social Sciences, Department of Psychology.ORCID iD: 0000-0002-2379-9201
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2016 (English)Conference paper, Presentation (Refereed)
Abstract [en]

Unexpected changes (known as deviant sounds) in a repetitive stream ofstandardsounds are known to prolong responses in visual categorization tasks (Parmentier, 2014) and disrupt short-term memory (Hughes, Vachon, & Jones, 2005; 2007). While this deviation effect,has been studied extensively, unexpected changes in multisensory irrelevant stimuli have yet to be explored. A further issue is whether a spatial change in either tactile, auditory, or in both modalities simultaneously, affects verbal and spatial short-term memorysimilarly. We explored how spatial and verbal memory performance were affected by a spatial change unexpectedly presented in a multisensory stream consisting of task-irrelevant vibrations and sounds.The sounds were presented from headphones and the vibrations from coin-like vibrating motors strapped to the upper arms of the participants. In the majority of trials (approximately 80%) the multisensory stream was presented on one side of the body whereas on deviant trials the irrelevant stimuli changed to the other side of the body. Preliminarily results suggest that a spatial change in a multisensory stream of irrelevant stimuli affects short-term memory performance both the spatial and verbal domains similarly. We conclude by discussing the results in the framework of multisensory views of short-term memory and attention (e.g., Cowan's, 1988; 1995) and the predictive coding framework (e.g., Talsma, 2015)

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Psychology (excluding Applied Psychology)
URN: urn:nbn:se:umu:diva-123312OAI: diva2:945133
International Multisensory Research Forums 17th annual meeting
Available from: 2016-06-30 Created: 2016-06-30 Last updated: 2016-06-30

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Marsja, ErikNeely, GregoryKörning-Ljungberg, Jessica
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