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    Extensional models can incorporate post-dictive revision ... — Carmelics
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    Challenges→Retentional models have a distinct advantage over Extensional models in accommodating temporal illusions such as the flash-lag effect and the phi-phenomenon.

    Extensional models can incorporate post-dictive revision mechanisms, whereby later neural signals retroactively update the content of earlier perceptual representations without contradiction.

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    Reasons For

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    Reason for
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    • 1.Neural plasticity evidence shows the brain routinely updates stored information based on new inputs, suggesting representational content isn't fixed at encoding.
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    • 2.Extensional models can remain logically consistent if post-dictive updates are treated as revisions to the extension set rather than contradictions within it.
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    • 3.Empirical phenomena like color constancy and motion integration require late-stage neural corrections to earlier sensory signals, supporting post-dictive mechanisms.
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    Reasons Against

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    • 1.If earlier representations are retroactively revised, it's unclear what grounds their original causal role in generating immediate experience and behavior.
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    • 2.Post-dictive revision threatens the temporal ordering principle: effects (neural updates) cannot authentically modify the content of prior causes (initial signals).
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    • 3.Extensional models require determinate membership conditions; retroactive content shifts blur whether objects ever had stable extension in the representation.
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    Key Terms

    Extensional models(as used in philosophy of perception and logic)
    A way of representing or thinking about things where each specific instance or occurrence is treated as a separate, distinct item—like a filing system where every single thing gets its own folder.
    Neural signals(as used in neuroscience and philosophy of mind)
    Electrical and chemical messages that travel between brain cells (neurons) to communicate information.
    Perceptual representations(as used in epistemology and philosophy of perception)
    The mental images or internal copies your brain creates when you see, hear, or sense something in the world.
    Post-dictive revision(as used in theories of perception)
    The idea that something happening later can go back and change the meaning or content of something that happened earlier.
    Retroactively(describing how a later action can alter the meaning of an earlier statement)
    Happening in a way that affects or changes something that occurred in the past.
    without contradiction(as the result that Russellian accounts permit)
    In a way that doesn't logically contradict itself; it's possible and consistent, rather than impossible or self-defeating.

    Connections

    2 topics

    Consciousness & Mind1 linkedPerception1 linked

    Related

    Empirical phenomena like color constancy and motion integration require late-sta...Extensional models can remain logically consistent if post-dictive updates are t...

    Details

    Type
    claim
    Perspectives
    2 (1 for, 1 against)
    Edits
    1 edit
    Extensional models require determinate membership conditions; retroactive conten...
    If earlier representations are retroactively revised, it's unclear what grounds ...
    +3 moreShow less
    Neural plasticity evidence shows the brain routinely updates stored information ...Post-dictive revision threatens the temporal ordering principle: effects (neural...Retentional models have a distinct advantage over Extensional models in accommod...