Products and services using Neural biofeedback are generally available around 2017
Grader A: hit
Grader B: hit
agrees with A, without seeing its verdict
Audit: confirmed
in the fixed audit sample (D11)
Published: hit
Grader A: hit
InteraXon's Muse EEG headband, which turns brain activity into real-time audio feedback, went on public sale in May 2014; clinical EEG neurofeedback services predate it.
Test: D37 Horizons: neurofeedback products buyable by consumers or clinics outside pilots by 2019 (earlier counts).
Grader B: hit
EEG neurofeedback was a paid clinical service for decades, and consumer EEG feedback headbands (InteraXon Muse, 2014) were sold at retail. Available before 2017.
Test: Neurofeedback products or services could be bought by consumers or clinics by 2019 (earlier counts).