The gap is the price of a workable definition

Five states have written neural data into their privacy statutes, and each draws a limit on what counts, one of them naming pupil dilation and motor activity as outside it. This brief asks why those limits exist, what falls outside them, and what that means for a principal exposed through wearables and headsets. Built from the statutes, their legislative analyses and federal proposals as of September 2026. For counsel and family offices tracking neural and biometric privacy.