Guide Bands · language

The Word “Entrainment” — Careful Use

Entrainment is a lab word that marketing stole. Keep it as a hypothesis, not a brand promise.

Scientists talk about phase-locking, FFR, ASSR — each with a stimulus and a recording method. “This track entrains you to 10 Hz” is a slogan riding those papers.

A 2023 EEG review of binaural beats found mixed, supportive, and null results in the same pile. That is not a settled metronome on cortex.

We design true-stereo arcs. We do not sell a spectrogram. If you need the careful version, read Frequency-following caveats. Then listen anyway, as a sit, not a spell.

The Word “Entrainment” — Careful Use is a door, not a clinic. Language precision. Sit with a true-stereo pair if the hour still wants one. Skip it if silence is the better instrument tonight.

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Educational only. Not medical advice. Headphones required for a true binaural beat.

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