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    Patients with complete deafferentation (e.g., Ian Waterma... — Carmelics
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    Challenges→There must be a connection between our capacity to act directly with our body and our capacity to feel our body from the inside.

    Patients with complete deafferentation (e.g., Ian Waterman) lose somatic sensation yet retain voluntary motor agency over their bodies.

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    Reasons For

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    • 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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    Reasons Against

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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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    Related

    Complete reliance on visual monitoring reveals somatic sensation wasn't truly lo...Ian Waterman demonstrates precise voluntary motor control despite lacking propri...Motor commands arise from motor cortex planning independent of sensory input; fe...There must be a connection between our capacity to act directly with our body an...
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    Waterman's case proves humans can learn compensatory visual strategies, establis...Waterman's movements are notably slow and effortful; this suggests diminished ra...Without proprioceptive feedback, Waterman cannot verify actual body position mat...

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    2 (1 for, 1 against)
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