object substitution masking
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2021 ◽  
Vol 21 (9) ◽  
pp. 1979
Author(s):  
Yusuke Nakashima ◽  
So Kanazawa ◽  
Masami K. Yamaguchi

Perception ◽  
2019 ◽  
Vol 48 (2) ◽  
pp. 138-161
Author(s):  
Michael Pilling ◽  
Duncan Guest ◽  
Mark Andrews

Two experiments examined the effect of object substitution masking (OSM) on the perceptual errors in reporting the orientation of a target. In Experiment 1, a four-dot trailing mask was compared with a simultaneous-noise mask. In Experiment 2, the four-dot and noise masks were factorially varied. Responses were modelled using a mixture regression model and Bayesian inference to deduce whether the relative impacts of OSM on guessing and precision were the same as those of a noise mask, and thus whether the mechanism underpinning OSM is based on increasing noise rather than a substitution process. Across both experiments, OSM was associated with an increased guessing rate when the mask trailed target offset and a reduction in the precision of the target representation (although the latter was less reliable across the two experiments). Importantly, the noise mask also influenced both guessing and precision, but in a different manner, suggesting that OSM is not simply caused by increasing noise. In Experiment 2, the effects of OSM and simultaneous-noise interacted, suggesting the two manipulations involve common mechanisms. Overall results suggest that OSM is often a consequence of a substitution process, but there is evidence that the mask increases noise levels on trials where substitution does not occur.


2017 ◽  
Vol 79 (7) ◽  
pp. 2179-2189 ◽  
Author(s):  
Timothy D. Sweeny ◽  
Larissa C. D’Abreu ◽  
Elric Elias ◽  
Lauren Padama

2017 ◽  
Vol 79 (5) ◽  
pp. 1466-1479 ◽  
Author(s):  
Sarah Jayne Camp ◽  
Michael Pilling ◽  
Angus Gellatly

2017 ◽  
Vol 79 (4) ◽  
pp. 1070-1077 ◽  
Author(s):  
Hannah L. Filmer ◽  
Roxanne Wells-Peris ◽  
Paul E. Dux

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