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Investigating deviance distraction and the impact of the modality of the to-be-ignored stimuli
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi.ORCID-id: 0000-0002-2379-9201
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi.
Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för psykologi. School of psychology, Cardiff University, UK.
2018 (engelsk)Inngår i: Experimental psychology (Göttingen), ISSN 1618-3169, E-ISSN 2190-5142, Vol. 65, nr 2, s. 61-70Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

It has been suggested that deviance distraction is caused by unexpected sensory events in the to-be-ignored stimuli violating the cognitive system's predictions of incoming stimuli. The majority of research has used methods where the to-be-ignored expected (standards) and the unexpected (deviants) stimuli are presented within the same modality. Less is known about the behavioral impact of deviance distraction when the to-be-ignored stimuli are presented in different modalities (e.g., standard and deviants presented in different modalities). In three experiments using cross-modal oddball tasks with mixed-modality to-be-ignored stimuli, we examined the distractive role of unexpected auditory deviants presented in a continuous stream of expected standard vibrations. The results showed that deviance distraction seems to be dependent upon the to-be-ignored stimuli being presented within the same modality, and that the simplest omission of something expected; in this case, a standard vibration may be enough to capture attention and distract performance.

sted, utgiver, år, opplag, sider
Göttingen: Hogrefe & Huber Publishers, 2018. Vol. 65, nr 2, s. 61-70
Emneord [en]
Tactile, Auditory, Attention Capture, Visual task, Multisensory, Oddball, Crossmodal, Performance
HSV kategori
Forskningsprogram
psykologi
Identifikatorer
URN: urn:nbn:se:umu:diva-141857DOI: 10.1027/1618-3169/a000390ISI: 000429715300001PubMedID: 29631521OAI: oai:DiVA.org:umu-141857DiVA, id: diva2:1156757
Prosjekter
An empirical investigation of distraction by unexpected auditory and vibratiory stimuliTilgjengelig fra: 2017-11-14 Laget: 2017-11-14 Sist oppdatert: 2018-06-09bibliografisk kontrollert
Inngår i avhandling
1. Attention capture by sudden and unexpected changes: a multisensory perspective
Åpne denne publikasjonen i ny fane eller vindu >>Attention capture by sudden and unexpected changes: a multisensory perspective
2017 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

The main focus for this thesis was cross-modal attention capture by sudden and unexpected sounds and vibrations, known as deviants, presented in a stream the same to-be-ignored stimulus. More specifically, the thesis takes a multisensory perspective and examines the possible similarities and differences in how deviant vibrations and sounds affect visual task performance (Study I), and whether the deviant and standard stimuli have to be presented within the same modality to capture attention away from visual tasks (Study II). Furthermore, by presenting spatial deviants (changing the source of the stimuli from one side of the body to the other) in audiotactile (bimodal), tactile, and auditory to-be-ignored, it explores whether bimodal stimuli are more salient compared to unimodal (Study III). In addition, Study III tested the claims that short-term memory is domain-specific.

In line with previous research, Study I found that both auditory and tactile deviants captured attention away from the visual task. However, the temporal dynamics between the two modalities seem to differ. That is, it seems like practice causes the effect of vibratory deviants to reduce, whereas this is not the case for auditory deviants. This suggests that there are central mechanisms (detection of the change) and sensory-specific mechanisms.

Study II found that the deviant and standard stimuli must be presented within the same modality. If attention capture by deviants is produced by a mismatch within a neural model predicting upcoming stimuli, the neural model is likely built on stimuli within each modality separately.

The results of Study III revealed that spatial and verbal short-term memory are negatively affected by a spatial change in to-be-ignored sequences, but only when the change is within a bimodal sequence. These results can be taken as evidence for a unitary account of short-term memory (verbal and spatial information stored in the same storage) and that bimodal stimuli may be integrated into a unitary percept that make any change in the stream more salient. 

sted, utgiver, år, opplag, sider
Umeå: Umeå University, 2017. s. 46
Emneord
Attention Capture, Tactile, Auditory, Visual, Crossmodal, Bimodal, Distraction, Short-term memory, Attention
HSV kategori
Forskningsprogram
psykologi
Identifikatorer
urn:nbn:se:umu:diva-141852 (URN)978-91-7601-803-3 (ISBN)
Disputas
2017-12-08, Hörsal B, Samhällsvetarhuset, Umeå, 10:00 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2017-11-17 Laget: 2017-11-14 Sist oppdatert: 2018-06-09bibliografisk kontrollert

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