Dissociable Neural Mechanisms for Perceived Heaviness and Predicted Weight During Lifting: An fMRI Investigation of the Size-Weight Illusion

Using fMRI, we show that the perception of object weight and the prediction of force required for lifting are supported by distinct neural circuits — providing key evidence for separate visuomotor and perceptual streams.

January 2009 · Patrick A. Chouinard, Meaghan Large, Erik Chang, Melvyn A. Goodale