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Separate attentional resources for vision and audition

Content Provider	Semantic Scholar
Author	Alais, David Morrone, Concetta Burr, D. E. Scott
Copyright Year	2006
Abstract	Current models of attention, typically claim that vision and audition are limited by a common attentional resource which means that visual performance should be adversely affected by a concurrent auditory task and vice versa. Here, we test this implication by measuring auditory (pitch) and visual (contrast) thresholds in conjunction with cross-modal secondary tasks and find that no such interference occurs. Visual contrast discrimination thresholds were unaffected by a concurrent chord or pitch discrimination, and pitch-discrimination thresholds were virtually unaffected by a concurrent visual search or contrast discrimination task. However, if the dual tasks were presented within the same modality, thresholds were raised by a factor of between two (for visual discrimination) and four (for auditory discrimination). These results suggest that at least for low-level tasks such as discriminations of pitch and contrast, each sensory modality is under separate attentional control, rather than being limited by a supramodal attentional resource. This has implications for current theories of attention as well as for the use of multi-sensory media for efficient informational transmission.
Starting Page	1339
Ending Page	1345
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1098/rspb.2005.3420
PubMed reference number	16777721
Journal	Medline
Volume Number	273
Alternate Webpage(s)	http://win.pisavisionlab.org/PDF_Publications_PisaVisionlab/Concetta_Morrone_Publications/2006_Separate_attentional_resources_for_vision.pdf
Alternate Webpage(s)	https://doi.org/10.1098/rspb.2005.3420
Journal	Proceedings of the Royal Society B: Biological Sciences
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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