Marlo Paßler

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Marlo Paßler

Marlo Paßler

@passler_marlo

Hi 👋 I am a PhD-student who works at the intersection of philosophy and neuroscience on consciousness at the Berlin School of Mind and Brain

Katılım Temmuz 2017
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Marlo Paßler
Marlo Paßler@passler_marlo·
Thrilled to share a new preprint on Neurophenomenal Structuralism (NPS) by @AdrienDoerig & myself! We show why neural structures alone aren’t enough to capture conscious contents. We must consider computational context! (arxiv.org/abs/2412.20873). A Thread:
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Doodables
Doodables@doodables·
Still my favorite @NotionHQ
Doodables tweet media
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Marlo Paßler
Marlo Paßler@passler_marlo·
Thrilled to share a new preprint on Neurophenomenal Structuralism (NPS) by @AdrienDoerig & myself! We show why neural structures alone aren’t enough to capture conscious contents. We must consider computational context! (arxiv.org/abs/2412.20873). A Thread:
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Marlo Paßler
Marlo Paßler@passler_marlo·
#IIT enthusiasts, what do you think of this challenge? We argue that NCCCs must systematically influence downstream processes. Yet structural changes (e.g., inhibiting silent cells) may alter cause-effect structure without impacting downstream systems at all.
Marlo Paßler@passler_marlo

7/ Criterion 2: Organization The way a candidate neural structure impacts behavior must be systematic. Neural changes ⇒ similar changes in reported experiences. Structures that don’t systematically shift reported similarities (e.g., cause-effect structure of IIT) miss the mark.

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Adrien Doerig
Adrien Doerig@AdrienDoerig·
Structuralist approaches are becoming popular in consciousness science. @passler_marlo and I propose criteria for which kinds of neural structures can be reliably linked to quality spaces derived from reports.
Marlo Paßler@passler_marlo

Thrilled to share a new preprint on Neurophenomenal Structuralism (NPS) by @AdrienDoerig & myself! We show why neural structures alone aren’t enough to capture conscious contents. We must consider computational context! (arxiv.org/abs/2412.20873). A Thread:

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JohnMark Taylor
JohnMark Taylor@johnmark_taylor·
eminently sensible criteria for identifying neural correlates of consciousness: NCCs should 1) show some structural isomorphism to the conscious phenomenon of interest 2) be causally linked to downstream readout/report mechanisms in a way that’s sensitive to this structure
Marlo Paßler@passler_marlo

Thrilled to share a new preprint on Neurophenomenal Structuralism (NPS) by @AdrienDoerig & myself! We show why neural structures alone aren’t enough to capture conscious contents. We must consider computational context! (arxiv.org/abs/2412.20873). A Thread:

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Marlo Paßler
Marlo Paßler@passler_marlo·
@johnmark_taylor On the limits of third-person approaches: I think the solution here lies in a robust theory of neural representation—one that explains how usage determines content. With such a framework, we might bridge the gap between structure, context, and experience.
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Marlo Paßler
Marlo Paßler@passler_marlo·
@johnmark_taylor Similarly, activation spaces can take on distinct roles depending on usage, like efference copies. But I struggle with the idea of many consumers, each yielding their own experiences. My hope: sensory spaces may project to a single consumer space (PFC) to resolve such ambiguity.
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Marlo Paßler
Marlo Paßler@passler_marlo·
@johnmark_taylor Exactly—couldn’t have said it better myself. Appreciate you highlighting and sharing the core of our criteria!
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JohnMark Taylor
JohnMark Taylor@johnmark_taylor·
Also important point that the content of a conscious experience depends not just on neural activity structure, but on the broader context of how this structure is used by downstream systems. Constraints like these are especially valuable for this hardest of hard problems.
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Marlo Paßler
Marlo Paßler@passler_marlo·
15/ Check out our preprint for all the details, examples, & philosophical grounding! We’d love your feedback, questions, and thoughts on how we can sharpen Neurophenomenal Structuralism further. Thanks for reading & sharing!
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Marlo Paßler
Marlo Paßler@passler_marlo·
14/ Thus, we can’t find NCCCs by only checking local neural patterns. We must trace how neural similarities feed into subjective reports—our best empirical window into the structure of subjective experience–functionally.
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