{"query": "A parable — Neuroscience window", "count": 20, "results": [{"id": "card_n_915a4bb7dd8d", "title": "A parable — Neuroscience window", "shelf": "codex", "surface": "witness", "snippet": "A man wanted to plant an orchard. Each spring he had reasons to wait, and each fall he agreed with himself it had been wise. By the time he planted, his hands could no longer dig deep, and the trees g", "authority_tier": "operator", "source": "Narrow Highway — original parable", "readable": false, "generated": false}, {"id": "card_bridge_master_nernst_potential", "title": "Master equation: V = (RT / zF) * ln(C_out / C_in)", "shelf": "bridges", "surface": "secular", "snippet": "a voltage from the log of a concentration ratio — the same equation in a battery and a neuron. ONE equation, 2 domains, connected by a change of variable: electrochemistry [the electrode potential of ", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_src_openstax_introduction_behavioral_neuroscience_key_terms_bdf155b9", "title": "Key Terms — Introduction to Behavioral Neuroscience", "shelf": "reference", "surface": "secular", "snippet": "Key Terms\n\n7.1\n\nAcoustic Cues and Signals\n\namplitude,\ncomplex harmonic motion,\ncue,\ndecibels,\ndiffraction,\necholocation,\nfiltering,\nfrequency,\ninterference,\nperiodic/aperiodic,\npressure,\nrarefaction,\n", "authority_tier": "reference", "source": "OpenStax: Introduction to Behavioral Neuroscience (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_bridge_master_sigmoid", "title": "Master equation: y = 1 / (1 + e^(-x))", "shelf": "bridges", "surface": "secular", "snippet": "the S-curve — a soft switch between two states; a near-miss with logistic growth that IS a calculation. ONE equation, 7 domains, connected by a change of variable: economics [x = k(t - t0): the logist", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_src_pron_neuroscience", "title": "neuroscience", "shelf": "pronunciation", "surface": "secular", "snippet": "neuroscience: pronounced (ARPABET) N Y UH1 R OW0 S AY2 AH0 N S. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "readable": false, "generated": false}, {"id": "card_src_word_cognitive_neuroscience", "title": "cognitive neuroscience", "shelf": "dictionary", "surface": "secular", "snippet": "cognitive neuroscience: (noun) the branch of neuroscience that studies the biological foundations of mental phenomena", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_calc_weber_fechner", "title": "Weber-Fechner law", "shelf": "calculations", "surface": "secular", "snippet": "Weber-Fechner law — neuroscience. Formula: S = k ln(I / I0). Canonical FORM: logarithmic (y = k * log(x / x0)) — perceived intensity is the log of the stimulus — loudness, brightness, weight. Same for", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_calc_firing_rate_curve", "title": "Neuronal firing-rate curve", "shelf": "calculations", "surface": "secular", "snippet": "Neuronal firing-rate curve — neuroscience. Formula: r = r_max / (1 + e^(-(I - theta)/k)). Canonical FORM: logistic (dP/dt = rP(1 - P/K)) — a neuron's f-I response is a sigmoid in input current. Same f", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_calc_membrane_potential", "title": "Nernst membrane potential", "shelf": "calculations", "surface": "secular", "snippet": "Nernst membrane potential — neuroscience. Formula: V = (RT/zF) ln(C_out/C_in). Canonical FORM: logarithmic (y = k * log(x / x0)) — a neuron's resting voltage IS the Nernst equation across the membrane", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_calc_goldman_equation", "title": "Goldman-Hodgkin-Katz", "shelf": "calculations", "surface": "secular", "snippet": "Goldman-Hodgkin-Katz — neuroscience. Formula: V = (RT/F) ln( sum P[out] / sum P[in] ). Canonical FORM: logarithmic (y = k * log(x / x0)) — the membrane potential from several ions weighted by permeabi", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_calc_cable_equation", "title": "The cable equation", "shelf": "calculations", "surface": "secular", "snippet": "The cable equation — neuroscience. Formula: dV/dt = lambda^2 d2V/dx2 - V/tau. Canonical FORM: diffusion (du/dt = D * laplacian(u)) — voltage spreading down an axon/dendrite — the diffusion equation wi", "authority_tier": "reference", "source": "The Calculation Map — every calculation, mapped by form", "readable": false, "generated": false}, {"id": "card_src_word_neuroscience", "title": "neuroscience", "shelf": "dictionary", "surface": "secular", "snippet": "neuroscience: (noun) the scientific study of the nervous system", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_bridge_form_diffusion", "title": "Bridge: the diffusion form across 8 domains", "shelf": "bridges", "surface": "secular", "snippet": "The canonical form diffusion (du/dt = D * laplacian(u)) is the SAME computation in 8 different domains — biology, chemistry, finance, neuroscience, nuclear_physics, physics, statistics, thermodynamics", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_bridge_form_logistic", "title": "Bridge: the logistic form across 11 domains", "shelf": "bridges", "surface": "secular", "snippet": "The canonical form logistic (dP/dt = rP(1 - P/K)) is the SAME computation in 11 different domains — biology, chemistry, computer_science, ecology, economics, game_theory, linguistics, medicine, neuros", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_bridge_form_logarithmic", "title": "Bridge: the logarithmic form across 18 domains", "shelf": "bridges", "surface": "secular", "snippet": "The canonical form logarithmic (y = k * log(x / x0)) is the SAME computation in 18 different domains — acoustics, astronomy, chemistry, computer_science, cybersecurity, ecology, economics, electrochem", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_bridge_master_logarithmic_scale", "title": "Master equation: L = k * log10(x / x_ref)", "shelf": "bridges", "surface": "secular", "snippet": "put a ratio on a log scale — the same operation, wherever a range spans many orders of magnitude. ONE equation, 8 domains, connected by a change of variable: acoustics [k = 10, x = intensity, x_ref = ", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_bridge_master_diffusion_equation", "title": "Master equation: du/dt = D * laplacian(u)", "shelf": "bridges", "surface": "secular", "snippet": "spreading by random walk — first in time, second in space. ONE equation, 8 domains, connected by a change of variable: thermodynamics [u = temperature, D = thermal diffusivity]; chemistry [u = concent", "authority_tier": "reference", "source": "The Bridges — cross-domain isomorphisms", "readable": false, "generated": false}, {"id": "card_src_etym_close", "title": "close", "shelf": "etymology", "surface": "secular", "snippet": "close: etymology (Webster 1913) — v. t.: [From OF. & F. clos, p. p. of clore to close, fr. L. claudere; akin to G. schliessen to shut, and to E. clot, cloister, clavicle, conclude, sluice. Cf. Clause,", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_closet", "title": "closet", "shelf": "etymology", "surface": "secular", "snippet": "closet: etymology (Webster 1913) — n.: [OF. closet little inclosure, dim. of clos. See Close an inclosure.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_etym_cloy", "title": "cloy", "shelf": "etymology", "surface": "secular", "snippet": "cloy: etymology (Webster 1913) — v. t.: [OE. cloer to nail up, F. clouer, fr. OF. clo nail, F. clou, fr. L. clavus nail. Cf. 3d Clove.]. From Webster's Revised Unabridged Dictionary (1913), public dom", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_n_915a4bb7dd8d"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}