Deleterious effects of roving on learned tasks.

Clarke AM, Grzeczkowski L, Mast FW, Gauthier I, Herzog MH
Vision Res. 2014 99: 88-92

PMID: 24384405 · DOI:10.1016/j.visres.2013.12.010

In typical perceptual learning experiments, one stimulus type (e.g., a bisection stimulus offset either to the left or right) is presented per trial. In roving, two different stimulus types (e.g., a 30' and a 20' wide bisection stimulus) are randomly interleaved from trial to trial. Roving can impair both perceptual learning and task sensitivity. Here, we investigate the relationship between the two. Using a bisection task, we found no effect of roving before training. We next trained subjects and they improved. A roving condition applied after training impaired sensitivity.

Copyright © 2013 Elsevier Ltd. All rights reserved.

MeSH Terms (12)

Adult Analysis of Variance Female Humans Learning Male Pattern Recognition, Visual Photic Stimulation Sensory Thresholds Space Perception Task Performance and Analysis Young Adult

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