For instance, humans have been found to use their knowledge about typical colours of an object when perceiving an instance of that object, in order to compensate for, e.g., perceptually challenging illumination conditions and achieve colour constancy (Mitterer and de Ruiter, 2008;Witzel and Gegenfurtner, 2018).
the visual perception of object colours can be thought of as leveraging top-down knowledge for bottom-up processing of sensory input, in accordance with traditional approaches in psychology (e.g.