Notes on sound and self-regulation
Plain explanations of bilateral stimulation, binaural beats and what actually happens in a session.
Bilateral stimulation
What the left-right pattern is, where it came from, and what it is honestly good for.
- What bilateral stimulation isThe left-right pattern, where it came from, what it is reasonable to expect from it, and how to try it without installing anything.6 min6 links in
- Bilateral music, 8D and EMDR musicBilateral stimulation is not music. It is short signals alternating between the ears. What people call bilateral or EMDR music is a different thing — a whole track circling the listener. Where the line runs, and how the two go together.6 min2 links in
- EMDR and bilateral stimulationBLS is one component inside a therapist-led protocol. Alone it is a much narrower practice — and knowing which one you are doing decides what is safe to attempt.6 min4 links in
- How and why it worksBilateral stimulation is part of EMDR therapy, a recognized and comparatively fast psychotherapy method. What that mechanism is, and what it does to a memory that got stuck.7 min7 links in
- Meditation vs bilateral stimulationBoth reduce stress and promote relaxation, which is why they get treated as the same kind of thing. They are not: one trains attention over weeks, the other works on memories that still carry a charge.6 min1 link in
Research
Studies on bilateral stimulation, read closely — including what each one does not show.
- Bilateral sound and fear extinctionResearchers investigated how bilateral auditory stimulation (BLS) affects fear extinction. Eighteen healthy volunteers, a triangle, a mild shock and a 1 Hz tone alternating between the ears.6 min3 links in
- Bilateral stimulation under fMRIRousseau et al., 2020: the same fear-conditioning paradigm as the earlier study, this time inside a scanner. Which networks BLS recruits, how long the changes last, and when it stops doing anything at all.8 min2 links in
- 30 seconds: EEG and the bodyStingl et al., 2025: 40 women, half with diagnosed PTSD. What EEG and heart-rate recordings showed after half a minute of bilateral stimulation — and why the result held in every group.7 min1 link in
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