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SKNeuron

sc_neurocore_engine::neurons::channels

Struct SKNeuron 

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pub struct SKNeuron {
Show 17 fields
    pub v: f64,
    pub h: f64,
    pub n: f64,
    pub ca: f64,
    pub g_na: f64,
    pub g_k: f64,
    pub g_sk: f64,
    pub g_l: f64,
    pub e_na: f64,
    pub e_k: f64,
    pub e_l: f64,
    pub c_m: f64,
    pub phi: f64,
    pub tau_ca: f64,
    pub dt: f64,
    pub v_threshold: f64,
    pub gain: f64,

}
Expand description

SK channel neuron — WB base + Ca2+-only-dependent K+ current.

SK (KCa2.x) channels are activated solely by intracellular Ca2+ (no voltage dependence). They have slower kinetics than BK and produce the medium afterhyperpolarisation (mAHP) lasting 50-200 ms after spikes.

Key mechanism for:

  • Medium AHP (mAHP): limits sustained firing rate
  • Spike frequency adaptation: Ca2+ builds → SK activates → firing slows
  • Rhythmic firing patterns: SK-mediated pauses create regular ISIs
  • Synaptic plasticity gating: SK in dendritic spines regulates NMDA currents

Stocker, Nat Rev Neurosci 5:758, 2004; Wang & Buzsáki, J Neurosci 16:6402, 1996. The threshold-reset event, the spike-triggered Ca2+ increment, and the Hill constants are repository-specific specialisations of that review material, not a publication-exact recurrence.

Fields§

§v: f64§h: f64§n: f64§ca: f64§g_na: f64§g_k: f64§g_sk: f64§g_l: f64§e_na: f64§e_k: f64§e_l: f64§c_m: f64§phi: f64§tau_ca: f64§dt: f64§v_threshold: f64§gain: f64

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impl SKNeuron

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pub fn new() -> Self

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fn valid(&self) -> bool

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pub fn try_step(&mut self, current: f64) -> Result<i32, &'static str>

Advance one step after validating the drive and configuration.

Computes the whole update on a candidate clone and commits only on success: a non-finite current, a configuration outside the public bounds, or a non-finite candidate returns Err with the pre-step state preserved exactly.

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pub fn step(&mut self, current: f64) -> i32

Fail-closed wrapper for legacy callers: returns 0 on any rejected input without mutating state.

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pub fn reset(&mut self)

Restore the dynamic state to its initial values, preserving every configuration parameter.

Trait Implementations§

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impl Clone for SKNeuron

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SKNeuron

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for SKNeuron

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fn default() -> Self

Returns the “default value” for a type. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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