PINGLAB

Open research notes on gamma-gated sparsity in conductance-based excitatory–inhibitory spiking neural networks.

Gamma Gated Sparsity

  1. ar009 Manuscript (handwritten) 5th Jun 2026
  1. nb023 PING fundamentals 13th May 2026
  2. nb025 PING locks E rate ≈10× below COBA (trains) 30th May 2026
  3. nb024 Training 2nd Jun 2026
  4. nb046 Near-strict 1-spike-per-cycle ceiling: 99.45% of (cell, cycle) pairs 4th Jun 2026
  5. nb041 E rate is affine in gamma frequency (trains) 2nd Jun 2026
  6. nb044 Rate floor stable across a 20× Δt sweep — physical Hz, not artefact (trains) 2nd Jun 2026
  7. nb033 Mean field model 28th May 2026
  8. nb036 W^EI sets the cliff; W^IE shapes the basin (trains) 30th May 2026
  9. nb042 Perturbations: gamma gates rates not just mean inhibition 2nd Jun 2026
  10. nb047 Per-event shunt magnitude sets rates, not summed inhibition 8th Jun 2026
  11. nb037 Trained PING tolerates 80% drops but only 15% adds (trains) 30th May 2026
  12. nb038 Switching the loop on at inference cuts E rate ≈10× (trains) 30th May 2026
  13. nb049 Gradient descent prunes PING via Dale's-law clamping (trains) 9th Jun 2026
  14. nb048 Trained PING streams sequential digits without retraining 8th Jun 2026

Future Experiments

  1. nb052 Phase multiplexing: routing overlapping streams by gamma phase 10th Jun 2026
  2. nb051 Bayesian cue combination in a PING network 10th Jun 2026

Documentation

  1. ar011 The oscilloscope CLI 9th Jun 2026
  2. ar006 Training 14th May 2026
  3. ar005 Metrics 14th May 2026
  4. ar004 Parameters & Units 14th May 2026
  5. ar003 COBANet 14th May 2026
  6. ar002 CUBANet 14th May 2026

Basics

  1. nb006 PING E→I Coupling Video 23rd Apr 2026
  2. nb005 PING Integration Step Video 23rd Apr 2026
  3. nb004 PING Input Rate Video 27th Apr 2026
  4. nb003 PING Stimulus Overdrive Video 18th Apr 2026

Literature

  1. ar013 SNN Training Methods & Supporting Results 10th Jun 2026
  2. ar008 Gamma Rhythms, PING & the Balanced State 8th Jun 2026
  3. ar007 Uncertainty & Bayesian Inference in the Cortex 19th May 2026

One Shots

  1. nb050 The Vreeswijk-Sompolinsky asynchronous-irregular state 9th Jun 2026
  2. nb040 CUBA-PING 31st May 2026
  3. nb022 COBA Dale's Law On vs Off 12th May 2026

Dt Stability

  1. nb014 Eval-Δt transport across encoder modes 4th Jun 2026
  2. nb013 Training equivalence across Δt regimes 4th Jun 2026

Misc

  1. ar001 From Vector Calculus to the LIF Neuron 12th May 2026
  2. ar000 Particles in a Box 1st May 2026