The influence of colour on oculomotor behaviour during image perception

von Wartburg, Roman; Ouerhani, Nabil; Pflugshaupt, Tobias; Nyffeler, Thomas; Wurtz, Pascal; Hügli, Heinz; Müri, René M (2005). The influence of colour on oculomotor behaviour during image perception. NeuroReport, 16(14), pp. 1557-60. London: Lippincott Williams & Wilkins 10.1097/01.wnr.0000180146.84020.c4

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The aim of this study was to investigate how oculomotor behaviour depends on the availability of colour information in pictorial stimuli. Forty study participants viewed complex images in colour or grey-scale, while their eye movements were recorded. We found two major effects of colour. First, although colour increases the complexity of an image, fixations on colour images were shorter than on their grey-scale versions. This suggests that colour enhances discriminability and thus affects low-level perceptual processing. Second, colour decreases the similarity of spatial fixation patterns between participants. The role of colour on visual attention seems to be more important than previously assumed, in theoretical as well as methodological terms.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology
UniBE Contributor:	von Wartburg, Roman, Pflugshaupt, Tobias, Nyffeler, Thomas, Wurtz, Pascal, Müri, René Martin
ISSN:	0959-4965
ISBN:	16148744
Publisher:	Lippincott Williams & Wilkins
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 15:05
Last Modified:	05 Dec 2022 14:20
Publisher DOI:	10.1097/01.wnr.0000180146.84020.c4
PubMed ID:	16148744
Web of Science ID:	000232505900005
URI:	https://boris.unibe.ch/id/eprint/28481 (FactScience: 120953)