Gamma-gated sparsity

PING E/I networks trained with surrogate gradients; what sets the rate, the rhythm, and the sparsity.

Articles

• ar017
  Introduction

  11 August 2026 · Draft · pdf
• ar009
  Manuscript

  21 June 2026 · Draft · pdf

Experiments

• exp022
  Training-run guide

  11 August 2026 · Draft · pdf
• exp023
  PING fundamentals

  13 May 2026 · pdf
• exp024
  Accuracy converges, firing rate does not

  2 June 2026 · pdf
• exp025
  PING locks E rate ≈10× below COBA

  30 May 2026 · pdf
• exp033
  DMFT model

  28 May 2026 · pdf
• exp037
  PING tolerates 80% dropped spikes but collapses on added noise

  30 May 2026 · pdf
• exp038
  Switching the loop on at inference cuts E rate ≈15×

  30 May 2026 · pdf
• exp041
  E rate is affine in gamma frequency

  2 June 2026 · pdf
• exp042
  Perturbations: gamma gates rates not just mean inhibition

  2 June 2026 · pdf
• exp044
  Rate floor stable across a 20× Δt sweep

  2 June 2026 · pdf
• exp046
  Near-strict 1-spike-per-cycle ceiling: 98.9% of (cell, cycle) pairs

  4 June 2026 · pdf
• exp047
  Pool-size invariance requires inverse synaptic scaling

  14 July 2026 · pdf
• exp048
  Temporal and spatial evidence limits of trained PING

  8 June 2026 · pdf
• exp049
  Gradient descent does not preserve a trainable PING loop

  9 June 2026 · pdf
• exp054
  A PING rhythmicity metric

  15 June 2026 · pdf
• exp080
  Empirical input-rate calibration for variable-rate PING training

  10 August 2026 · pdf
• exp081
  Linear-filter analysis of sparse conductance-driven pixel features

  10 August 2026 · Draft · pdf
• exp082
  Variable-rate streaming with a spike-rate readout

  10 August 2026 · Draft · pdf

← all collections