Comment by westurner | Hacker News Reader

Comment by westurner | Hacker News Reader

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skos:Concept RDFS Class: https://www.w3.org/TR/skos-reference/#concepts

schema:Thing: https://schema.org/Thing

atomspace:ConceptNode: https://wiki.opencog.org/w/Atom_types .. https://github.com/opencog/atomspace#examples-documentation-...

SKOS Simple Knowledge Organization System > Concepts, ConceptScheme: https://en.wikipedia.org/wiki/Simple_Knowledge_Organization_...

But temporal instability observed in repeat functional imaging studies indicates that functional localization constant: the regions of the brain that activate for a given cue vary over time.

From https://news.ycombinator.com/item?id=42091934 :

> "Representational drift: Emerging theories for continual learning and experimental future directions" (2022) https://www.sciencedirect.com/science/article/pii/S095943882... :

>> Future work should characterize drift across brain regions, cell types, and learning.

The important part about the statements in the drift paper are the qualifiers:

> Cells whose activity was previously correlated with environmental and behavioral variables are most frequently no longer active in response to the same variables weeks later. At the same time, a mostly new pool of neurons develops activity patterns correlated with these variables.

“Most frequently” and “mostly new” —- this means that some neurons still fire across the weeks-long periods for the same activities, leaving plenty of potential space for concept cells.

This doesn’t necessarily mean concept cells exist, but it does allow for the possibility of their existence.

I also didn’t check which regions of the brain were evaluated in each concept, as it is likely they have some different characteristics at the neuron level.

So there's more stability in the electrovolt wave function of the brain than in the cellular activation pathways?

I am not sure what an electrovolt is, or why this question follows from what I said? All I said was all neurons don’t seem to switch their activation stimuli, only “many.”

At a biological level there's constant change, but our memories and personality are relatively stable.

Is the (electrovolt wave function) content of the brain completely independent from the biological substrate?

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