Method and Apparatus for Wearable Device for Closed-Loop Transcranial Photobiomodulation Stimulation Using Cognitive Testing

Abstract

Devices and methods for stimulation and modulation of brain activity using transcranial photobiomodulation (PBM) or brainwave or heart rate variability (HRV) biofeedback and analyzing and monitoring electroencephalographic (EEG) electrical activity evoked during, before and/or after neurocognitive tests using event-related potential (ERP) and evoked and induced EEG oscillations (ERO) measures in human users. Electroencephalography (EEG) and photobiomodulation (PBM) devices in the form of wearable apparatus with headphones for stimulating brain with PBM or using biofeedback training with concurrent EEG monitoring and evaluation of electrical activity generated by a person's brain during stimulation are described, along with description of methods for testing person's cognitive and physiological state during cognitive tests using the provided devices. PBM light is pulsed to stimulate an increase in targeted brain activity by providing additional energy to mitochondria and activating other photosensitive brain processes. PBM stimulation is combined with EEG sensors for detecting EEG responses during cognitive tests using event-related potentials (ERP) and evoked and induced EEG oscillations (ERO) for evaluation of user's cognitive status and treatment of functional outcomes.

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