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D-CSIL

Research Domain

Novel Neural Architectures

Hybrid recurrent models (HELIX H-E-R blocks), selective state-space models, Hebbian plasticity with neuromodulation and sleep-style consolidation (SynapNet / HibbieFormer), and physics-inspired field layers (FieldTransformer).

MEASUREDCURRENT EVIDENCE LEVEL

Research Question

Do recurrent hybrids and biologically inspired plasticity offer practical advantages over standard transformers at scales one machine can train?

HELIX models stack HarmonicStateLayer → ElasticAttentionGate → ResonantExpertRouting blocks — a recurrent/sparse-attention/MoE hybrid trained entirely on Apple Silicon, three generations deep (56M, 127M, 209M). The honest answer so far: no. Matched dense transformers have beaten HELIX on held-out perplexity every time the comparison has been run — by ~8–9% at 56M and 15.0% at 127M — and that gap has never been re-measured at the current 209M scale. HELIX-200M's base pretraining is complete (244,141 steps, held-out val PPL 27.50); post-training is active, not finished.

The SynapNet/HibbieFormer line trains with explicit plasticity phases — hebbian, synaptic scaling, and pruning on a 50/30/20 schedule with adaptive neuromodulation. The completed TinyStories run logged 21,476 steps across 215 plasticity cycles.

Experiments in this domain