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The temporal dynamics of the Müller-Lyer illusion.
Cereb Cortex. 2010 Jul; 20(7):1586-95.CC

Abstract

By attaching arrows to a line's ends, the Müller-Lyer illusion can be used to modulate perceived line length. In the present study, we investigated the dynamics of the brain processes underlying this illusion using magnetoencephalography. Subjects were presented with a horizontal line with arrows attached to its ends. Across trials, the angles formed by the arrows were repeatedly changed such that 2 variants of the Müller-Lyer length illusion were either induced or not. The onset of both variants of the illusion revealed consistent activations in visual areas between 85 and 130 ms after stimulus onset, as well as strong and longer lasting activations along the ventral visual processing stream including inferior occipital, inferior temporal, and fusiform gyrus within the range of 195-220 ms. Subsequent neural activation was observed in the right superior temporal cortex, as well as in the right inferior parietal and the right inferior frontal cortex. The time course and the location of the activations suggest that the mechanisms involved in generating the Müller-Lyer illusion are closely linked to the ones associated with object perception, consistent with theories considering a relevant contribution of higher visual areas to the generation of the Müller-Lyer illusion.

Authors+Show Affiliations

Cognitive Neurology Section, Institute for Neuroscience and Medicine-INM 3, Institute for Neuroscience and Medicine, Research Centre Jülich, 52425 Jülich, Germany. r.weidner@fz-juelich.deNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19875676

Citation

Weidner, R, et al. "The Temporal Dynamics of the Müller-Lyer Illusion." Cerebral Cortex (New York, N.Y. : 1991), vol. 20, no. 7, 2010, pp. 1586-95.
Weidner R, Boers F, Mathiak K, et al. The temporal dynamics of the Müller-Lyer illusion. Cereb Cortex. 2010;20(7):1586-95.
Weidner, R., Boers, F., Mathiak, K., Dammers, J., & Fink, G. R. (2010). The temporal dynamics of the Müller-Lyer illusion. Cerebral Cortex (New York, N.Y. : 1991), 20(7), 1586-95. https://doi.org/10.1093/cercor/bhp217
Weidner R, et al. The Temporal Dynamics of the Müller-Lyer Illusion. Cereb Cortex. 2010;20(7):1586-95. PubMed PMID: 19875676.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The temporal dynamics of the Müller-Lyer illusion. AU - Weidner,R, AU - Boers,F, AU - Mathiak,K, AU - Dammers,J, AU - Fink,G R, Y1 - 2009/10/29/ PY - 2009/10/31/entrez PY - 2009/10/31/pubmed PY - 2010/9/2/medline SP - 1586 EP - 95 JF - Cerebral cortex (New York, N.Y. : 1991) JO - Cereb. Cortex VL - 20 IS - 7 N2 - By attaching arrows to a line's ends, the Müller-Lyer illusion can be used to modulate perceived line length. In the present study, we investigated the dynamics of the brain processes underlying this illusion using magnetoencephalography. Subjects were presented with a horizontal line with arrows attached to its ends. Across trials, the angles formed by the arrows were repeatedly changed such that 2 variants of the Müller-Lyer length illusion were either induced or not. The onset of both variants of the illusion revealed consistent activations in visual areas between 85 and 130 ms after stimulus onset, as well as strong and longer lasting activations along the ventral visual processing stream including inferior occipital, inferior temporal, and fusiform gyrus within the range of 195-220 ms. Subsequent neural activation was observed in the right superior temporal cortex, as well as in the right inferior parietal and the right inferior frontal cortex. The time course and the location of the activations suggest that the mechanisms involved in generating the Müller-Lyer illusion are closely linked to the ones associated with object perception, consistent with theories considering a relevant contribution of higher visual areas to the generation of the Müller-Lyer illusion. SN - 1460-2199 UR - https://www.unboundmedicine.com/medline/citation/19875676/The_temporal_dynamics_of_the_Müller_Lyer_illusion_ L2 - https://academic.oup.com/cercor/article-lookup/doi/10.1093/cercor/bhp217 DB - PRIME DP - Unbound Medicine ER -