issue-link js-issue-link" data-error-text="Failed to load title" data-id="4362357893" data-permission-text="Title is private" data-url="https://github.com/JCorson/patch-sim/issues/298" data-hovercard-type="issue" data-hovercard-url="/JCorson/patch-sim/issues/298/hovercard" href="https://github.com/JCorson/patch-sim/issues/298">#298), Purkinje (#299), FSI (#301), DA (#304), STN (#305), and TC (#307) fixes. Set g_Na=50, g_K=24 as explicit somatic densities for the single- compartment reduction. Pospischil 2008 Table 2 specifies (200, 20) for RE, but at those densities the MH92 Traub-Miles kinetics still overshoot peak. (50, 24) is the smallest reduction that lands every HP92 tonic AP-shape metric inside its band while keeping the cell genuinely pacing at <15 Hz. Bump g_T down from 3.0 -> 2.85 mS/cm² (still within HP92 voltage-clamp range) in tandem. Without this tweak, the lowered g_K lets the LTS plateau drive too many spikes (>15) and the burst fragments into multiple detected bursts, breaking the strict burst_count == 1 assertion in test_trn_step_release_produces_hp92_rebound_burst. The small g_T cut shortens the plateau back into the 5-15 spike band and keeps the rebound burst coherent. Refs: - Huguenard, J.R. & Prince, D.A. (1992) J. Neurosci. 12:3804 - Pospischil et al. (2008) Biol. Cybern. 99:427, Table 2 (RE)

Commits

Commits on May 6, 2026

fix(presets): retune TRN for in-band HP92 tonic AP shape

test(trn): remove xfail markers for tonic peak and AHP depth

Commits on May 7, 2026

test(calcium): allow TRN higher peak Ca cap after #308 retune

docs(trn): refresh stale comments and tighten Ca floor after #308 review