Kernel is a neurotechnology company developing non-invasive brain imaging devices. Their flagship product, Kernel Flow, is a wearable headset that uses time-domain functional near-infrared spectroscopy (TD-fNIRS) technology to measure brain activity. Kernel Flow emits near-infrared light and detects changes in blood oxygenation levels in the brain's cortical areas, similar to functional magnetic resonance imaging (fMRI). However, it offers advantages such as portability, affordability, and the ability to measure brain activity in natural environments.
Kernel Flow features 52 modules arranged in four plates that fit on either side of the head. Each module contains two laser sources that generate picosecond pulses of light and six detectors that capture the reflected light. By recording the photon arrival times, the system can measure changes in oxyhemoglobin and deoxyhemoglobin concentrations, providing insights into brain function.
Kernel has conducted studies demonstrating the efficacy of Kernel Flow in various applications, including measuring the psychedelic effects of ketamine, predicting gaming expertise, and assessing cognitive decline. As of January 2022, the company had provided 50 systems to partners for evaluation and launched commercial sales for research teams.
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