2.2. Experimental task
All participants took part in a visual perception experiment thatwas
aimed at measuring the influence of sensory predictions in perceptual
inference by the intermittent presentation of an ambiguous stimulus.
Stimuli were presented on a on a CRTmonitor (1024 × 768 pixels resolution,
60 Hz frame rate) using Matlab (MathWorks Inc.) and the Cogent2000
toolbox