Simulating biological and non-biological motion |
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Authors: | Bruzzo Angela Gesierich Benno Wohlschläger Andreas |
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Institution: | Department of Psychology, University of Bologna, viale Carlo Berti Pichat, 5, 40127 Bologna, Italy. angela.bruzzo@libero.it |
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Abstract: | It is widely accepted that the brain processes biological and non-biological movements in distinct neural circuits. Biological motion, in contrast to non-biological motion, refers to active movements of living beings. Aim of our experiment was to investigate the mechanisms underlying mental simulation of these two movement types. Subjects had to either simulate mentally or to overtly reproduce previously executed or observed movements. Healthy subjects showed a very high timing precision when simulating biological and a strong distortion when simulating non-biological movements. Schizophrenic subjects, however, showed the opposite. Since overt reproduction was precise in any case, this double dissociation shows that processes underlying mental simulation of biological and non-biological movements are separate from each other and from perceptual and motor-control processes. |
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Keywords: | Mental simulation Biological/non-biological movement Movement perception Motor control |
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