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64-CHANNEL μECoG · 30 kS/s · 1.82 ms

# Intent, decoded
before the hand moves

Synapse reads cortical surface potentials through a 1.8 mm-thin array and turns them into device commands in under two milliseconds — faster than the signal reaches the muscle. The raster on the right is a simulation of that stream, not a recording of a person.

Read the numbers Our implant ethics
SPIKE RASTER · 64 CH · SIMULATED 2.0 s window
each tick — one detected spike · bursts are channel-sync events
SYN-64 die · 4.2 × 4.2 mm · gold on black silicon

## Thin enough
to be forgotten

The array sits on the cortical surface, under the dura — 1.8 mm thin, 64 electrodes at 2.5 mm pitch. No puncturing tissue, no threads into the parenchyma. Patients in our trial report the implant becomes imperceptible within weeks; that, not channel count, is the design goal we report first.

The die photographs are of the actual implant, not renders. What you see is what a surgeon holds.

## Numbers, with their conditions

Measured performance — metric, value, measurement condition
Metric | Value | Condition
--- | --- | ---
Decode latency | 1.82 ms | p50 · on-device inference · 12 participants
Raw sampling | 30 kS/s | per channel · 24-bit ΔΣ
SNR | 18.4 dB | referenced to skull electrode · chronic week 26
Gesture classes | 11 | offline, cross-validated · 94.1% ± 1.8
Wireless link | — | transcutaneous power + 2.4 GHz telemetry

All values from the first-in-human trial (N=12), 2025-09 – 2026-06. Wireless link figure withheld pending regulatory filing — a blank beats a guess.

Electrode fan-out · microscope stage · no color grading

## What we will not do

- ### No neural advertising

  Decoded signals are commands, not content. We do not build — or license — emotion or attention inference.

- ### Participants can leave

  Explantation on request within 30 days, at our cost, at any point in the trial. Three participants have exercised it.

- ### Raw data stays in the vault

  Raw neural data never leaves our encrypted cluster. Published figures are aggregate statistics, as on this page.

## Research contact

Trial enrollment is closed. Collaboration and data-access inquiries from accredited institutions:

lab@synapse.bci