diff --git a/elements/neuron/appunti/2026-07-08-the-unexpressed-objects.md b/elements/neuron/appunti/2026-07-08-the-unexpressed-objects.md index 7344c02..e1dd828 100644 --- a/elements/neuron/appunti/2026-07-08-the-unexpressed-objects.md +++ b/elements/neuron/appunti/2026-07-08-the-unexpressed-objects.md @@ -43,7 +43,22 @@ input, not an output. It is the name we lay over a *collection* of chains — nothing to what is read; behaviours are all there is on the mechanism's side. "Synapse" adds no behaviour and no verification — it adds only a grouping in our account. This is the cleanest form of *verified but not expressed*: the object is not even verified; **behaviours** are verified, at cuts, -and the object is just the name over a chosen set of them. +and the object is just the name over a chosen set of them. An object is therefore *not constituted by +components* — it is not built out of parts. It is a name over behaviours. Dopamine, the retrograde +messengers, the astrocytic spike, the shipment lines all enter the behaviours we call "the synapse"; +listing three "constituents" would draw a false boundary and reimport the classical picture (object = +sum of parts) we are leaving behind. + +**Components are objects too — there is no privileged level.** It is tempting to think the *components* +(PRE, POST, ASTROSYNAPSE) are the real objects and the synapse an emergent name over them. They are +not. A component is itself only a name over the behaviours readable at the **finest grain** — "PRE" is +the name over the ms-emission cut, the recovery cut, the tag cut, and so on, all read at the +single-component space level. So "PRE" and "the synapse" and "the assembly" are the *same kind of +thing* — names over collections of cut-behaviours — differing only in which cuts they gather (finer or +coarser). None is the bedrock the others are built from. The only bedrock is the expression as +possibility; everything above it, component included, is a name over cuts. The pseudocode's `pre_*` +variables are not "PRE the object" — they are the possibility of cutting behaviours at the finest +grain, which we name "PRE" for convenience. **The name is one; the cuts are many.** Because "synapse" names the collection, it stays fixed whichever cuts the collection gathers — synapse at ms, synapse at night, synapse as third party to @@ -75,15 +90,16 @@ honestly chosen. Two riders. First, ordinary cause and effect still holds *within a single cut* (at the ms synapse cut, this release causes that response); what has no clean analogue is cause/effect *between the -named objects* — the synapse does not cause its parts, it is a name over their behaviours. Second, +named objects* — the synapse does not cause anything and is caused by nothing, because it is not a +thing in the mechanism; it is a name over behaviours. Second, the useful cuts are not arbitrary: they fall at the **joints**, where the system's own coupling is -denser inside than across (a synapse's three components interact more with each other than with the -next synapse). We prefer these because they carve where the coupling already is — but they remain -cuts, still level-choices, still partial. There are affinities here with the scale-relative frontier -of physics — the renormalization group, non-equilibrium thermodynamics — which also make description -depend on the scale of the cut; but as the simulation argument showed, those point in the direction -without solving this system. They tell us cut-relative description is legitimate physics; they do not -hand us the object. +denser inside than across (the behaviours we gather as one synapse couple more tightly to each other +than to those of the next synapse). We prefer these because they carve where the coupling already is +— but they remain cuts, still level-choices, still partial. There are affinities here with the +scale-relative frontier of physics — the renormalization group, non-equilibrium thermodynamics — +which also make description depend on the scale of the cut; but as the simulation argument showed, +those point in the direction without solving this system. They tell us cut-relative description is +legitimate physics; they do not hand us the object. *The pseudocode is itself the finest cut* — it reads behaviours at the single-component level and treats every larger whole as context arriving at the boundary (dopamine, the day/night context, the @@ -101,7 +117,7 @@ and reads the behaviours that cut makes verifiable. The object is nothing over a --- -## Object 1 — The Synapse (constituted by PRE ⇄ POST ⇄ ASTROSYNAPSE) +## Object 1 — The Synapse "The synapse" is a name over the behaviours read across the cuts below. Each cut names its levels — time, space, quantity, scope — and reads what becomes verifiable there. None of these is more "the @@ -174,15 +190,16 @@ choose, by the cut, which of its behaviours we mean. ## The queue — objects still to build -- **The dendritic branch** (constituted by its spines → DEND). The clearest spatial integrator: how - spatially distributed spine alignments sum into one branch behaviour; how attention (ACh) reweights - the spatial sum; what "a branch" verifies that no spine does. -- **The neuron's decision** (constituted by branches → SOMA). Convergence of dendritic integrals into - one fire/no-fire; where the neuron's own **frequency** (its firing rate) and **flow** (summed input) - become verifiable; the point at which continuous integration turns into a discrete event. -- **The astrocytic territory** (constituted by processes → ASTROCYTE). Coincidence one scale up — - synapse-synapse-synapse co-activity, not pre-post — integrated into the regenerative calcium spike - and broadcast back; a higher-order unexpressed object detecting a higher-order coincidence. +- **The dendritic branch** (the name over cuts read at the branch's spatial grain, DEND). The + clearest spatial integrator: how behaviours read at branch-level space — the summed spine input — + become verifiable there; how attention (ACh) reweights that spatial read; what is readable at the + branch grain that no finer cut reaches. +- **The neuron's decision** (the name over cuts read at the whole-cell grain, SOMA). Where the + neuron's own **frequency** (its firing rate) and **flow** (summed input) become verifiable; the + cut at which continuous integration reads out as a discrete event. +- **The astrocytic territory** (the name over cuts read at the territory grain, ASTROCYTE). + Coincidence one scale up — synapse-synapse-synapse co-activity, not pre-post — readable at the + territory grain where the regenerative spike integrates local calcium and broadcasts it back. - **The pathway loop / assembly** (PRE→POST→DEND→SOMA→AXON→PRE). The largest unexpressed object: how a recurrent loop verifies flow and timing around itself, and how the night's replay reads the whole loop's coherence as mechanical all-or-nothing (every link primed or the pattern breaks). The