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    LoyalLoyalJusticeJustice
    Made withinDC&Austin
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    Home/Original/inverse
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    Inverse View

    It is not the case that Patients with complete deafferentation (e.g., Ian Waterman) lose somatic sensation yet retain voluntary motor agency over their bodies.

    ?Set your confidence on the premises below to see your aggregate.

    Reasons For

    1 perspective
    Reason for
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    • 1.Waterman's movements are notably slow and effortful; this suggests diminished rather than retained agency—he executes residual motor patterns, not genuine control.
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    • 2.Without proprioceptive feedback, Waterman cannot verify actual body position matches intention, so his 'agency' is illusory alignment of prediction with vision.
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    • 3.Complete reliance on visual monitoring reveals somatic sensation wasn't truly lost—it was substituted. The claim conflates modality-switching with agency preservation.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Ian Waterman demonstrates precise voluntary motor control despite lacking proprioceptive feedback, showing motor agency doesn't require somatic sensation.
      ?

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    • 2.Motor commands arise from motor cortex planning independent of sensory input; feedback serves refinement, not execution of voluntary action.
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    • 3.Waterman's case proves humans can learn compensatory visual strategies, establishing that agency persists when sensory modalities are substituted.
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