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N1 uses basic LIF neurons only (no adaptation). Demonstrates competitive performance through model capacity alone — the N2's adaptive threshold provides a clear efficiency advantage at matched model sizes.
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N1 uses basic LIF neurons only (no adaptation). Demonstrates competitive performance through model capacity alone. The N2's adaptive threshold provides a clear efficiency advantage at matched model sizes.
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## Competitive Context
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@@ -50,9 +50,9 @@ Loihi 2 results from [Mészáros et al. 2025](https://arxiv.org/abs/2510.13757)
@@ -142,7 +142,7 @@ All models use surrogate gradient backpropagation through time (BPTT) with
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a fast-sigmoid surrogate gradient. The key neuron models are:
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-**LIF**: Leaky Integrate-and-Fire with multiplicative decay. Maps to CUBA hardware neuron via `decay_v = round(beta * 4096)`.
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-**adLIF**: Adaptive LIF with Symplectic Euler discretization. Updates adaptation *before* threshold computation for richer temporal dynamics. Adaptation is training-only; only membrane decay deploys to hardware.
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-**adLIF**: Adaptive LIF with Symplectic Euler discretization. Updates adaptation *before* threshold computation for richer temporal dynamics. Adaptation is training-only, and only membrane decay deploys to hardware.
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