🧠Module 11 — BioLateral Sound | Brainspotting Course
Updated: Oct 13
Free Course by Everything IFS Academy | Therapeutic Modalities Series
Help us reach the people who may need this most by sharing this free course with friends, family, colleagues, online communities, social media or on your own website.
🎧 Audio – Listen on the go - (coming soon)
Module 11 — Bodyspotting and BioLateral Sound
This lesson covers two tools that extend brainspotting beyond the visual field: one that works when the eyes step aside entirely, and one that a person hears rather than sees. Bodyspotting anchors the work in a location in the body instead of a position in space, and BioLateral Sound is the engineered audio drifting from ear to ear beneath so many sessions, the one piece of brainspotting a person can hold in their hand. Both tools answer the same deeper question: the brainspot is an access point, but is the visual field the only door? It turns out it isn’t.
Bodyspotting: When the Body Is the Spot
Everything in this course so far has anchored processing to a position in the visual field. Bodyspotting anchors it somewhere else: directly to the place in the body where the activation lives.
The move is simple to describe. The setup runs as always, one issue, its charge, its number, and its body address, and then, instead of searching the visual field for the eye position that resonates, the person simply rests their full attention on the body location itself: the fist in the throat, the knot in the stomach, the band across the chest. That felt place becomes the spot. Attention holds there, steadily and uncritically, exactly the way the gaze holds a visual brainspot, and the same focused mindfulness from Module 9 does the rest: the waves come, the material moves, the processing runs. A gaze position may still come into play once the body anchor is set, but the eyes are no longer in the lead.
Bodyspotting earns its place in the toolkit through the situations where the visual field isn’t the right door. It makes the method fully available to blind and visually impaired people, for whom eye-position work was never an option, and Grand developed it partly for exactly that reason: the discovery that processing still worked without the visual anchor confirmed something important about the method, that the deep brain’s access points aren’t only visual. It also serves anyone whose eyes are better off closed: people who drop deeper into the body with the lights off, sessions where visual input itself is distracting or activating, and moments mid-session when the eyes want to close on their own, which brainspotting treats as the system’s own good judgment rather than a rule violation.
The other place bodyspotting shines is physical pain. Many people arrive at brainspotting not with an emotional memory to process but with a body that hurts and won’t stop: a chronic ache, a persistent tension, an old injury that never quite settled. Chronic pain means pain that persists over months or longer, well past the time an injury would ordinarily heal, and pain science increasingly shows that it is rarely purely mechanical. Pain is produced by the nervous system, not simply reported by it, and stress, fear, and unprocessed experience can keep the alarm switched on or turn its volume up long after the tissue has recovered. Bodyspotting anchors directly to the painful place and brings processing to that layer, the part that talking about the symptom rarely reaches. None of this means the pain is imaginary or “all in your head.” The pain is real, and so is the part of it the nervous system is holding, and that held part is what bodyspotting works with.
One honest boundary belongs right here. Bodyspotting works with the emotional and nervous-system dimension of physical symptoms. It is not a treatment for the underlying medical cause of pain or illness, and it never replaces medical care. Anything new, worsening, or unexplained belongs first with a doctor, because pain is often the body’s way of flagging something that needs medical attention. Bodyspotting is a companion to that care, working alongside it on the stress and stuck experience that ride along with physical suffering, never in place of it.
There is a quiet lesson inside the tool: the spot was never really about the eyes. The eyes are one road to where the material is held. The body is another, running to the same place, and a method built on following the nervous system’s lead was always going to find both.
What BioLateral Sound Is
BioLateral Sound is gentle audio, nature sounds and soft music, engineered so the sound itself travels between the ears: drifting from left to right and back, slowly, smoothly, continuously, through headphones. Ocean waves that wash from one side to the other. Music that migrates across the stereo field, the left-to-right space between two headphones, like weather. In audio terms this movement is called panning. Bilateral simply means both sides, and the clinical name for sound alternating between ears is bilateral audio; BioLateral is what Grand named his own crafted version of it.
The idea has a lineage. EMDR, the therapy Grand came from, had long used what it calls bilateral stimulation, meaning alternating left-right input to the brain: eyes moving side to side, or tapping that alternates between the two sides of the body. That alternation was understood to be part of how the brain processes, and Grand carried the principle into sound.
The crafting is the point, and one word defines it: non-metronomic. The alternating audio that existed in the therapy world before Grand’s version was metronomic, tick, tock, tick, tock, tones swapping ears on a hard mechanical beat, effective but grating, the audio equivalent of a turn signal. Grand, drawing on sound-healing traditions, rebuilt the concept from scratch: keep the alternation, replace the metronome with fluid drift. No beat to brace against, no pattern the mind locks onto and starts counting. Just gentle sound, moving the way water moves. He engineered the tracks himself, layering multiple channels in motion at once, and released the first collection as The Best of BioLateral, which spread far beyond his own office, tens of thousands of copies worldwide, and grew into a series. How a psychoanalyst ended up an audio engineer is part of the longer story of his restless modifying years, told back in Module 2.
One distinction saves a lot of confusion: BioLateral sound is not binaural beats. Binaural beats play two slightly different frequencies, one in each ear, so the brain perceives a third, phantom tone that isn’t actually in the audio. BioLateral sound does something simpler and more physical: real sound, genuinely crossing from side to side. The two get conflated constantly because both involve headphones and both ears. They are different tools built on different principles, and brainspotting uses the traveling kind.
Why Alternating Sound Calms the Body
The mechanism, in plain language, has two strands. Honesty first, though: the precise way alternating sound acts on the brain is not settled science, and brainspotting holds its explanation with appropriate openness. What practitioners consistently observe is that the work goes deeper and flows more smoothly with the sound on, and the reasoning below is the best current account of why.
The first strand is the alternation itself. Sound arriving in the left ear and the right ear in turn engages both hemispheres, the two halves of the brain, in a gentle, rhythmic back-and-forth, a soft bilateral massage of the whole system rather than a single fixed input. The moving signal gives the deep brain something balanced and continuous to rest on.
The second strand is what the sound’s character does to the nervous system’s two branches. The body’s automatic functions, heartbeat, breathing, digestion, the readiness for danger, are run by the autonomic nervous system, the part of the nervous system that works without any conscious instruction. It has two opposing branches: the sympathetic branch, the fight-or-flight accelerator that mobilizes for threat, and the parasympathetic branch, the rest-and-settle brake, the system that runs digestion, slow heartbeat, and the felt sense of safety. Every quality of biolateral sound is chosen to speak to the brake, not the accelerator. Nature sounds and soft music read as safe environment to machinery that evolved outdoors; low volume reads as no threat nearby; and the fluid, unpredictable drift gives the vigilance systems, the parts of the brain that keep watch for danger, nothing to track, no beat, no pattern, no edge, so tracking quietly gives up and lets go. The result is a continuous, background safety signal, delivered straight into both ears, for the entire session.
And that explains why gentle-and-fluid beats loud-and-rhythmic for this work specifically. Sharp, driving, metronomic sound stimulates, it leans on the accelerator, which is precisely backwards for a person about to open difficult material. A system doing deep work needs its brake gently held the whole time. Biolateral sound is a thumb resting on the brake, disguised as the ocean. Practitioners describe the effect as deepening and containing at once: it helps the work open and reach further, while wrapping the whole experience in something steady enough that it never spills into chaos.
How It's Used in a Session
The practicals are simple, and the simplicity is deliberate.
The headphones go on at the start, before the work begins, and the volume is set genuinely low, low enough that conversation stays easy, low enough that after a minute the sound slips below conscious notice. That’s the design: biolateral sound is background by intention, a floor under the session rather than a feature of it. It then simply stays on, through the setup, through the spot, through the long quiet stretches, doing its settling work continuously at the edge of awareness while everything else this course has taught proceeds on top of it.
The tool almost didn’t survive into brainspotting, and the story of its return is the best evidence for it. Grand had used his sound extensively in his pre-brainspotting years, but when he developed the new method he set the CDs aside, reasoning that a new approach shouldn’t inherit the old one’s equipment. His clients overruled him. One after another asked for the sound back, they missed it, and Grand, whose operating principle in these matters was that the client is always right, put the headphones back on them and watched the sessions. The work was even more effective with the sound than without it: something about that parasympathetic floor let people drop deeper and stay steadier. The clients had been correct, the tool was reinstated, and it has been standard equipment in brainspotting ever since, one more of the method’s discoveries made by paying attention rather than by design.
When It's Skipped
Standard equipment, but never mandatory, and the exception teaches the rule.
For most nervous systems, low gentle drift is pure floor: settling, unobtrusive, additive. But highly reactive or highly dissociative systems can experience even this as one input too many. For a system already redlined by vigilance, sound touching both ears, however soft, can register as more thing to monitor rather than less; for a system prone to drifting away entirely, a background wash can ease the drift rather than the work. When the headphones make the person more activated or more distant instead of more settled, they come off, without ceremony and without loss. Brainspotting works without any sound at all; the core of the method is the spot, the processing, and the relationship, and the sound is a valued companion to that core, not part of it.
The principle underneath is worth stating because it governs every tool in this course: the sound serves the frame, never the other way around. Attunement to the actual person in the chair, the frame from Module 4, outranks any piece of equipment, and a tool that isn’t helping this nervous system today isn’t part of the method today. Brainspotting keeps its tools on exactly these terms: useful when useful, gone when not.
BioLateral Beyond the Session
Because the tool is just audio, it travels, and this is where it becomes part of everyday life. People use the tracks between sessions and far outside therapy altogether: through headphones while winding down after a hard day, during a stressful commute, before a difficult conversation, at bedtime when the mind won’t quiet, or simply as working background for a system that runs anxious. The recordings are widely available on ordinary music platforms, and the usage rules are the same ones from the session: headphones (the ear-to-ear travel is the tool, speakers lose it), volume low, and let it be background. Nothing to do, nothing to practice. The drift does its settling at the edge of attention, the same thumb on the brake, now available anywhere.
One honest boundary keeps the tool in its place: the sound alone is a calming aid, not processing. Listening to biolateral audio settles the nervous system; it does not open, move, or digest stored material, that work belongs to the full method, spot and frame and witnessing together, as the rest of this course has taught. The distinction matters because a settled evening can feel so much better that it gets mistaken for resolution. Enjoy the settling, use it freely, and know it for what it is: the floor of the work, portable, not the work itself.
Common Questions
Is bodyspotting the same as a body scan? No, though they are easy to confuse. A body scan is the act of sweeping attention slowly through the body to notice what is there, tension, warmth, ease, discomfort. It is a way of noticing, and it shows up as a step in many parts of brainspotting, such as locating where activation sits in the setup or finding a Body Resource. Bodyspotting is a full way of anchoring the processing itself at a specific place in the body. The scan is a tool of awareness; bodyspotting is a doorway into the work.
Below this lesson, you’ll find a Brainspotting practice built around one of the skills you just learned, along with a few ways to begin noticing and practicing it in everyday life this week.
Brainspotting Practice: A BioLateral Listening Session
The best way to understand this tool is to feel it work once, deliberately, with attention. This practice is a single intentional listening session, ten minutes, headphones required. Search any major music platform for "BioLateral" or "biolateral sound" (David Grand's own recordings are widely available), or any track labeled bilateral or 8D audio will demonstrate the drift.
Pick a track and set yourself up somewhere comfortable with headphones on, both ears.
Set the volume deliberately low, lower than you'd normally listen to music, just clearly audible. Loud defeats the design.
For the first minute, listen actively: track the sound's travel, left, across, right, back. Notice the drift is smooth and beatless, nothing to count, nothing to predict.
Then stop tracking and let it become background. Sit, or do something quiet and undemanding, for the remaining minutes while the sound does its work at the edge of attention.
Around the ten-minute mark, check your body against how it felt before you started: breath depth, shoulder height, jaw, the general idle speed of your system. Read what's actually there, not what should be.
Note your own result honestly. Most people find a subtle but real settling. If you instead felt irritated, crowded, or oddly far away, that's real too, you've just learned firsthand which nervous systems skip this tool, and that yours may be one, at least today.
This Week
Use the sound once in a genuinely useful moment, winding down after a hard day, before something stressful, and notice what a low biolateral floor does under real life.
Try it once at bedtime at whisper volume, and notice what an ambient safety signal does to a mind that won't stop.
Catch the distinction from this lesson in your own experience: after a settled listening session, notice that the thing you were stressed about is still there, just held by a calmer body. Settling, not processing, and valuable as exactly that.
Disclaimer: Everything IFS Academy is an independent educational platform and is not affiliated with, endorsed by, or connected to the IFS Institute. While we strive for accuracy, errors can occur, and users are encouraged to cross-reference critical information. These courses, lessons, skills, and practices are offered for educational and self-reflection purposes only. They do not constitute therapy, mental health treatment, clinical training, or crisis support, and they should not be used as a substitute for professional mental health care.
Crisis Support:🚨 If you are experiencing a mental health crisis, feel unsafe, feel at risk of harming yourself or someone else, or feel too overwhelmed to safely use self-directed practices, please pause this material and reach out for immediate support. Contact a licensed mental health professional, call or text 988 in the U.S. or Canada, or use your local emergency or crisis resources.
Comments