|Appears in Collections:||Psychology Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Dissociable Processes for Orientation Discrimination Learning and Contextual Illusion Magnitude|
|Author(s):||Wilks, Charlotte Elizabeth Holmes|
Schwarzkopf, Dietrich Samuel
|Keywords:||General Biochemistry, Genetics and Molecular Biology|
General Agricultural and Biological Sciences
|Citation:||Wilks CEH, Rees G & Schwarzkopf DS (2014) Dissociable Processes for Orientation Discrimination Learning and Contextual Illusion Magnitude. PLoS ONE, 9 (7), Art. No.: e103121. https://doi.org/10.1371/journal.pone.0103121|
|Abstract:||Previous research suggests an inverse relationship between human orientation discrimination sensitivity and tilt illusion magnitude. To test whether these perceptual functions are inherently linked, we measured both orientation discrimination sensitivity and the magnitude of the tilt illusion before and after participants had been trained for three days on an orientation discrimination task. Discrimination sensitivity improved with training and this improvement remained one month after the initial learning. However, tilt illusion magnitude remained unchanged before and after orientation training, at either trained or untrained orientations. Our results suggest that orientation discrimination sensitivity and illusion magnitude are not inherently linked. They also provide further evidence that, at least for the training periods we employed, perceptual learning of orientation discrimination may involve high-level processes.|
|Rights:||© 2014 Wilks et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.|
|journal.pone.0103121.PDF||Fulltext - Published Version||2.71 MB||Adobe PDF||View/Open|
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