Behaviorally Relevant Prior Experience Biases Subsequent Perception

Perception is flexible, and influenced by prior experience. However, the
mechanisms underlying the effects of experience on subsequent perception are yet unclear.
Here we investigated the influence of behavioral relevance of the prior experience on
biasing subsequent perception, and examined the extent to which these influences are
mediated by high-level decisions vs. low-level sensory or motor involvement. Method: A
series of visual stimuli (uniformly filled circles) were presented on a screen. Participants