Sentiometer: Validating Novel Optical Detection of Consciousness
About
Updated 05/18/26Sentiometer: Validating Novel Optical Detection of Consciousness is a funded protocol in which healthy adults complete a 4.5-hour laboratory session combining auditory, visual, gameplay, and meditation paradigms followed by a monitored nap. Throughout the session, participants wear an EEG cap, polysomnography sensors, and an investigational optical device while researchers probe whether the optical signal tracks sleep-stage transitions, target detection, perceptual thresholds, and the content of visual experience, or instead overlaps with existing neural measures. The study is conducted at IACS’s Santa Monica lab with support from Senzient, Inc., and is currently beginning participant recruitment.
Theory of Change
If the Sentiometer’s optical signal reliably covaries with established neural markers of conscious state and content, it could provide a non-invasive, portable biophysical channel for detecting consciousness that complements or augments current EEG and neuroimaging techniques.
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Updated 05/18/26Endorsements support Institute for Advanced Consciousness Studies.
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