The Olfactory Péclet Number: Chemoreception as Drift-Diffusion, Combinatorial Coding as K-Scaling, and the Thermodynamic Architecture of Smell
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| Natura: | Recurso digital |
| Lingua: | inglese |
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Zenodo
2026
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| _version_ | 1866901918503141376 |
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| author | Eckert, Anthony |
| author_facet | Eckert, Anthony |
| contents | The olfactory system implements Pe-architecture natively: odorant binding is drift-diffusion with Pe_olf = v_bind · L_receptor / D_thermal. Detection threshold Pe ≈ 1 (Gas→Fluid transition), suprathreshold identification Pe 4–8 (Crystal phase), saturation Pe > 10 (Pandemonium). Combinatorial coding across ~400 human olfactory receptors is K-scaling: the same odorant molecule activates receptor combinations with coverage scaling as K. Or's combinatorial capacity (10,000+ distinguishable odors from 400 receptors) emerges from K-level spectral structure. The void framework predicts: odorants with identical Pe_olf profiles but different K-combinatorics will be perceptually similar in intensity but distinct in quality — a testable prediction for psychophysics. |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19246479 |
| institution | Zenodo |
| language | eng |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | The Olfactory Péclet Number: Chemoreception as Drift-Diffusion, Combinatorial Coding as K-Scaling, and the Thermodynamic Architecture of Smell Eckert, Anthony olfaction chemoreception drift-diffusion Péclet number combinatorial coding olfactory receptors Void Framework K-scaling thermodynamics sensory neuroscience odor perception signal detection The olfactory system implements Pe-architecture natively: odorant binding is drift-diffusion with Pe_olf = v_bind · L_receptor / D_thermal. Detection threshold Pe ≈ 1 (Gas→Fluid transition), suprathreshold identification Pe 4–8 (Crystal phase), saturation Pe > 10 (Pandemonium). Combinatorial coding across ~400 human olfactory receptors is K-scaling: the same odorant molecule activates receptor combinations with coverage scaling as K. Or's combinatorial capacity (10,000+ distinguishable odors from 400 receptors) emerges from K-level spectral structure. The void framework predicts: odorants with identical Pe_olf profiles but different K-combinatorics will be perceptually similar in intensity but distinct in quality — a testable prediction for psychophysics. |
| title | The Olfactory Péclet Number: Chemoreception as Drift-Diffusion, Combinatorial Coding as K-Scaling, and the Thermodynamic Architecture of Smell |
| topic | olfaction chemoreception drift-diffusion Péclet number combinatorial coding olfactory receptors Void Framework K-scaling thermodynamics sensory neuroscience odor perception signal detection |
| url | https://doi.org/10.5281/zenodo.19246479 |