| name | non-hermitian-gnw-consciousness |
| description | Non-Hermitian Potential Well Formalism for modeling the Global Neuronal Workspace (GNW) consciousness framework. Uses nonlinear Schrödinger-type equation in imaginary time with non-Hermitian, non-normal Hamiltonian and Lotka-Volterra-type term to reproduce subliminal-preconscious-conscious hierarchy. Maps conscious access to bound-state emergence in complex-valued landscape. Use for consciousness modeling, neural field theory, GNW theory, and quantum-inspired cognitive dynamics. |
| activation | non-hermitian consciousness, GNW model, global neuronal workspace, consciousness formalism, subliminal processing, preconscious buffer, cloud function, neural field theory, Lotka-Volterra neural dynamics, bound state consciousness, potential well neural model |
| tags | ["neuroscience","consciousness","neural-field-theory","gnw","non-hermitian","mathematical-modeling","cognitive-science"] |
| version | 1.0.0 |
| author | Hermes Agent |
| category | neuroscience |
| created | "2026-07-13T00:00:00.000Z" |
| source_arxiv | 2607.08302v1 |
Non-Hermitian Potential Well Formalism for GNW Consciousness
Source Paper
Title: A Non-Hermitian Potential Well Formalism for Conscious–Preconscious–Subliminal Processing
Authors: Vasily Lubashevskiy (Tokyo International University), Ihor Lubashevsky (HSE University, Moscow)
arXiv: 2607.08302v1 [q-bio.NC, nlin.AO]
Published: 2026-07-09
License: CC BY 4.0
Core Innovation
Proposes a phenomenological model of the Global Neuronal Workspace (GNW) using a non-Hermitian Schrödinger-type equation in imaginary time with a Lotka–Volterra-type nonlinear term. This provides the first tractable dynamical framework that unifies sensory encoding, attention, and conscious access within a single mathematical formalism.
Key Concepts
1. Cloud Function Ψ(x,t)
- High-level stimulus representations encoded as cloud functions in Hilbert space ℍ = L²(ℝᴺ)
- |Ψ(x,t)|² interpreted as normalized density over perceptual configurations
- Nonlocality in ℝᴺ represents perceptual uncertainty from neural sensory processing
- Combines holistic structure of mental images with neural implementation
2. Complex-Valued GNW Landscape Ω(x)
- Early sensory processing generates an effective complex-valued potential landscape
- Ω(x) = V(x) + iW(x), where:
- V(x) (real/Hermitian part): Recognition via dissipative localization at landscape minima
- W(x) (imaginary/anti-Hermitian part): Information broadcasting via spatial spreading
- Landscape depth proportional to bottom-up sensory activation strength
3. Governing Equation
∂Ψ/∂t = -ĤΨ + nonlinear Lotka-Volterra term
where Ĥ is a non-Hermitian, non-normal Hamiltonian:
- Hermitian component → dissipative dynamics driving Ψ toward landscape minima (recognition)
- Anti-Hermitian component → spatial spreading / broadcasting across state space
- Nonlinear term → preserves norm (∫|Ψ|² = 1) while enabling spatially nonlocal interactions
4. Three Processing Regimes
| Regime | Bottom-Up Strength | Top-Down Attention | Outcome |
|---|
| Subliminal | Below threshold | Any | No conscious access |
| Preconscious (supraliminal unattended) | Above threshold | Unavailable | Nonconscious buffer maintenance |
| Conscious (supraliminal attended) | Above threshold | Available (A > A_c) | Bound state emergence = global ignition |
5. Conscious Access as Bound State Emergence
- Conscious access corresponds to emergence of a bound state in the GNW landscape
- Requires both conditions:
- GNW landscape depth exceeds threshold (strong enough bottom-up activation)
- Degree of top-down attention A exceeds critical value A_c
- Stepwise emergence: stimulus representations appear gradually as A crosses A_c
Mathematical Framework
Hilbert Space Structure
- State space: ℝᴺ (N-dimensional perceptual state space)
- Cloud functions: Ψ(x,t) ∈ L²(ℝᴺ)
- Inner product: ⟨Ψ₁|Ψ₂⟩ = ∫ Ψ₁*(x)Ψ₂(x) dx
- Normalization: ∫ |Ψ(x,t)|² dx = 1
Landscape Construction
- V(x) = -U · exp(-|x-x₀|²/(2σ²)) — Gaussian potential well centered at stimulus x₀
- Depth U ∝ bottom-up sensory activation strength
- Width σ ∝ perceptual uncertainty
Dynamics Properties
- Ground state stability: Uniform Ψ₀ converges to localized ground state when U > U_c
- Supraliminal attended processing: Cloud function localizes at landscape minimum
- Spatial spreading: Anti-Hermitian component enables broadcasting across state space
- Norm preservation: Nonlinear term maintains ∫|Ψ|² = 1
Numerical Results (from paper)
- Simulations use Crank–Nicolson (2nd order implicit) + Adams–Bashforth (2nd order explicit)
- Domain: [0, L] with L=60, periodic boundary conditions
- Parameters: dx=0.005, dt=0.001, c=2
- Key findings:
- Figure 3: Cloud function dynamics for supraliminal attended processing
- Figure 4: Stepwise emergence of representations when A exceeds A_c
- Figure 5: Dynamics near landscape maximum (potential sign reversed)
Applications
When to Use This Skill
- Modeling consciousness and conscious access mechanisms
- Implementing GNW-inspired neural field models
- Studying subliminal vs. preconscious vs. conscious processing
- Designing attention-gated neural architectures
- Quantum-inspired cognitive modeling (Schrödinger-type equations in cognition)
- Non-Hermitian dynamics in neuroscience
Research Connections
- Global Neuronal Workspace theory (Dehaene et al.)
- Neural field theory (continuous population-level dynamics)
- Non-Hermitian quantum mechanics (open systems, PT symmetry)
- Lotka–Volterra dynamics (competitive/cooperative interactions)
- Perceptual consciousness (subliminal/preconscious/conscious taxonomy)
Implementation Patterns
Pattern 1: Basic GNW Cloud Function Simulation
import numpy as np
def gnw_landscape(x, x0, U, sigma):
"""GNW potential well from sensory activation."""
return -U * np.exp(-(x - x0)**2 / (2 * sigma**2))
def gnw_hamiltonian(V, W):
"""Non-Hermitian Hamiltonian: H = V + iW."""
return V + 1j * W
def gnw_evolution(Psi, H, alpha, dt, nonlinear=True):
"""One step of GNW cloud function evolution."""
dPsi_linear = -H @ Psi
if nonlinear:
norm = np.sum(np.abs(Psi)**2)
dPsi_nonlinear = alpha * Psi * (1 - norm)
else:
dPsi_nonlinear = 0
return Psi + dt * (dPsi_linear + dPsi_nonlinear)
Pattern 2: Conscious Access Threshold Check
def conscious_access(bottom_up_strength, top_down_attention, U_threshold, A_threshold):
"""Determine processing regime."""
if bottom_up_strength < U_threshold:
return "subliminal"
elif top_down_attention < A_threshold:
return "preconscious"
else:
return "conscious"
Pattern 3: GNW Landscape Construction from Sensory Input
def build_gnw_landscape(sensory_input, N=100):
"""Construct complex GNW landscape from sensory features."""
x = np.linspace(-10, 10, N)
V = -np.sum([s * np.exp(-(x - mu)**2 / (2*sig**2))
for s, mu, sig in sensory_input], axis=0)
W = np.ones(N) * attention_level
return V, W, x
Open Questions & Extensions
- N-dimensional extension: Current paper focuses on 1D; generalization to high-D perceptual spaces needed
- Learning mechanism: How does the landscape Ω(x) adapt through experience?
- Multi-stimulus competition: How do multiple bound states compete for workspace access?
- Neural implementation: How to map cloud functions to actual neural population activity?
- Connection to IIT: Relationship with Integrated Information Theory's Φ measure
Related Skills
consciousness-usk-framework — Uncommon Self-Knowledge consciousness theory
canonical-functionalism-consciousness — Mathematical refinement of computational functionalism
neuromorphic-artificial-consciousness — Neuromorphic correlates of consciousness
abstraction-fallacy-ai-consciousness — Physicalism framework on simulation vs instantiation
ctm-ai-consciousness-blueprint — CTM-AI blueprint for general AI
Keywords
GNW, Global Neuronal Workspace, consciousness, non-Hermitian, Schrödinger equation, imaginary time, cloud function, Hilbert space, Lotka-Volterra, bound state, subliminal, preconscious, perceptual state space, neural field theory, complex-valued landscape, dissipative localization, spatial broadcasting, top-down attention, bottom-up activation, global ignition