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      Mechanisms underlying embodiment, disembodiment and loss of embodiment

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      Neuroscience & Biobehavioral Reviews
      Elsevier BV

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          Abstract

          Bodily experience is a complex, mostly unconscious, process that requires the integration of multiple sensory inputs. This paper reviews the sensory systems involved in internal representations of the body--primarily the proprioceptive, motor, vestibular, and visual systems. Various neurological disorders are defined by aberrations in bodily experience--including the perceptual ablation or disembodiment of body parts, "filling in" of amputated body parts, or reduplication of body parts. These perceptual aberrations are discussed and their implications for the central and peripheral systems involved in updating and retrieving internal representations of the body are highlighted. Bodily perception and egocentric frames of reference can be experimentally manipulated through visual capture (e.g., using rubber limbs), functional adaptation and embodiment of tools and prostheses, and changes in afferent sensory feedback (e.g., through stimulation of muscle spindles). These perceptual illusions are described, and discussed for their implications for the mechanisms underlying bodily perception.

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          Author and article information

          Journal
          Neuroscience & Biobehavioral Reviews
          Neuroscience & Biobehavioral Reviews
          Elsevier BV
          01497634
          January 2008
          January 2008
          : 32
          : 1
          : 143-160
          Article
          10.1016/j.neubiorev.2007.07.001
          17707508
          a016c189-f65c-48e9-a9e4-065e9507b47f
          © 2008

          https://www.elsevier.com/tdm/userlicense/1.0/

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