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Grasping And Lifting Different Materials, Gavin Buckingham, Jonathan S. Cant, Melvyn A. Goodale
Grasping And Lifting Different Materials, Gavin Buckingham, Jonathan S. Cant, Melvyn A. Goodale
Psychology Presentations
The material from which an object is made can determine how heavy it feels (Seashore, 1899). Interestingly, a metal block that has been adjusted to have the same size and mass as a polystyrene block will feel lighter than the polystyrene block. We recently showed that participants experiencing this material-weight illusion’ (MWI) do not apply forces that match their perceptual experience of heaviness ‐ just like in the size‐weight illusion ( Flanagan & Beltzner, 2000).
Our previous study showed that forces on early trials were scaled to each participant’s expectations of how much a particular block should weigh ‐ excessive …