The Visual N1 Is Sensitive to Deviations from Natural Texture Appearance.

ABSTRACT: Disruptions of natural texture appearance are known to negatively impact performance in texture discrimination tasks, for example, such that contrast-negated textures, synthetic textures, and textures depicting abstract art are processed less efficiently than natural textures. Presently, we examined how visual ERP responses (the P1 and the N1 in particular) were affected by violations of natural texture appearance. We presented participants with images depicting either natural textures or synthetic textures made from the original stimuli. Both stimulus types were additionally rendered either in positive or negative contrast. These appearance manipulations (negation and texture synthesis) preserve a range of low-level features, but also disrupt higher-order aspects of texture appearance. We

SUBMITTER: Balas B 

PROVIDER: S-EPMC4565630 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature