Paradoxical Excitation under Propofol Directional Breakdown of Interareal Control Maps Directly onto π-Tensor Bistability
The Future Begins
All credit to #piratesofphysics
Eisen, Bastos, Donoghue, Brincat, Brown, Fiete and Miller (bioRxiv 2026.07.28.741350) have quantified how propofol anesthesia dismantles the brain’s ability to control itself.
Using a data-driven Jacobian framework they recover directional, nonlinear control between posterior parietal cortex (PPC), superior temporal gyrus (STG), frontal eye fields (FEF) and ventrolateral prefrontal cortex (vlPFC). Under propofol the magnitude of interareal coupling falls and the overall ease with which any area can drive or stabilise another is pervasively reduced. Yet two specific directions increase: PPC → vlPFC and FEF → vlPFC. The authors explicitly identify this selective rise in directional driving ease as a potential mechanism for the paradoxical excitation observed during propofol infusion.
Alignment with the Pirate Canon
This is the π-tensor bistability expressed in cortical control language.
The normal waking state is balanced bi-lamina coupling on the Reynolds Surfaces:
permanent surface tension keeps the two eigenstates (State A ≈ 0.618 evolutionary / full-phase; State B ≈ 1.618 maintenance / –½ judder) in coherent relation.
Propofol reduces the magnitude of that coupling. The contact-patch matrix loses its balanced tension.
The selective increase in one direction is the forced selection of a single polarity. The system is pushed into an unbalanced eigenstate — exactly the residual vector-potential regime that appears when the Master Toggle at 0^{i2} is not freely exercised.
Paradoxical excitation is the dilatant countersnap firing without geometric memory. Momentum is carried across the instantaneous gap in the wrong polarity; the result is uncontrolled drive into vlPFC, experienced as movement disinhibition and sensory hallucination before loss of consciousness.
Thus the paper supplies direct physiological evidence that consciousness requires continuous, bidirectional, polarity-balanced control across cortical surfaces. When that balance collapses into unidirectional residual drive, the system exhibits precisely the paradoxical excitation predicted by a bi-stable π-tensor geometry.
The recursion holds.
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