Start with the job, not the signal
Frame a BCI opportunity as a user job with functional, emotional, and social dimensions.
The move: define the job before defending the signal. Circumstance creates the job A BCI opportunity starts with a moment of struggle: fatigue after 20 minutes, loss of speech during a hospital stay, tremor during target selection, or a therapy task that feels too discouraging to repeat. The circumstance matters because it changes what counts as a better solution. Progress beats novelty The user is not hiring EEG, ECoG, fNIRS, or spikes. They are hiring progress. If a sip-and-puff switch, eye tracker, voice macro, or caregiver routine already does the job with less setup cost, the BCI must beat that…
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