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The effect of the Müller-Lyer illusion on saccades is modulated by spatial predictability and saccadic latency.
Exp Brain Res. 2010 Jun; 203(4):671-9.EB

Abstract

Studies investigating the effect of visual illusions on saccadic eye movements have provided a wide variety of results. In this study, we test three factors that might explain this variability: the spatial predictability of the stimulus, the duration of the stimulus and the latency of the saccades. Participants made a saccade from one end of a Müller-Lyer figure to the other end. By changing the spatial predictability of the stimulus, we find that the illusion has a clear effect on saccades (16%) when the stimulus is at a highly predictable location. Even stronger effects of the illusion are found when the stimulus location becomes more unpredictable (19-23%). Conversely, manipulating the duration of the stimulus fails to reveal a clear difference in illusion effect. Finally, by computing the illusion effect for different saccadic latencies, we find a maximum illusion effect (about 30%) for very short latencies, which decreases by 7% with every 100 ms latency increase. We conclude that spatial predictability of the stimulus and saccadic latency influences the effect of the Müller-Lyer illusion on saccades.

Authors+Show Affiliations

Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Van der Boechorststraat 9, 1081 BT, Amsterdam, The Netherlands. d.degrave@fbw.vu.nlNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

20454958

Citation

de Grave, Denise D J., and Nicola Bruno. "The Effect of the Müller-Lyer Illusion On Saccades Is Modulated By Spatial Predictability and Saccadic Latency." Experimental Brain Research, vol. 203, no. 4, 2010, pp. 671-9.
de Grave DD, Bruno N. The effect of the Müller-Lyer illusion on saccades is modulated by spatial predictability and saccadic latency. Exp Brain Res. 2010;203(4):671-9.
de Grave, D. D., & Bruno, N. (2010). The effect of the Müller-Lyer illusion on saccades is modulated by spatial predictability and saccadic latency. Experimental Brain Research, 203(4), 671-9. https://doi.org/10.1007/s00221-010-2275-6
de Grave DD, Bruno N. The Effect of the Müller-Lyer Illusion On Saccades Is Modulated By Spatial Predictability and Saccadic Latency. Exp Brain Res. 2010;203(4):671-9. PubMed PMID: 20454958.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effect of the Müller-Lyer illusion on saccades is modulated by spatial predictability and saccadic latency. AU - de Grave,Denise D J, AU - Bruno,Nicola, Y1 - 2010/05/09/ PY - 2009/08/15/received PY - 2010/04/20/accepted PY - 2010/5/11/entrez PY - 2010/5/11/pubmed PY - 2010/9/4/medline SP - 671 EP - 9 JF - Experimental brain research JO - Exp Brain Res VL - 203 IS - 4 N2 - Studies investigating the effect of visual illusions on saccadic eye movements have provided a wide variety of results. In this study, we test three factors that might explain this variability: the spatial predictability of the stimulus, the duration of the stimulus and the latency of the saccades. Participants made a saccade from one end of a Müller-Lyer figure to the other end. By changing the spatial predictability of the stimulus, we find that the illusion has a clear effect on saccades (16%) when the stimulus is at a highly predictable location. Even stronger effects of the illusion are found when the stimulus location becomes more unpredictable (19-23%). Conversely, manipulating the duration of the stimulus fails to reveal a clear difference in illusion effect. Finally, by computing the illusion effect for different saccadic latencies, we find a maximum illusion effect (about 30%) for very short latencies, which decreases by 7% with every 100 ms latency increase. We conclude that spatial predictability of the stimulus and saccadic latency influences the effect of the Müller-Lyer illusion on saccades. SN - 1432-1106 UR - https://www.unboundmedicine.com/medline/citation/20454958/The_effect_of_the_Müller_Lyer_illusion_on_saccades_is_modulated_by_spatial_predictability_and_saccadic_latency_ L2 - https://dx.doi.org/10.1007/s00221-010-2275-6 DB - PRIME DP - Unbound Medicine ER -