Figure 6.

A model describing the role of prefrontal cortical regions in the formation of visual dimensions and goal-relevant shifts between them. We propose that the encoding and formation of dimensions and categories and the behavioral bias toward them emerge at earlier stages of visual information processing, without a necessary involvement of prefrontal cortical regions; however, goal-dependent shifts between sensory dimensions and categories require top-down modulation and depend on the integrity of prefrontal cortex.