Every ancient rite assumed the practitioner would change state, through fasting, chant, posture, silence. The Neuro Edition lets the rite see that change happen. An EEG headset reads the electrical rhythms of your brain, and the app responds in real time: the gate opens, the hymn resolves, the card turns, when your own attention has truly settled.
Think of learning to balance on a bicycle. Nobody can explain the muscles involved, but the bike tells you instantly when you are tipping, and in a few days your body knows. Neurofeedback does the same for attention.
Dry electrodes on the scalp pick up the brain’s rhythms, signals measured in millionths of a volt.
Several times a second the app computes how strong each rhythm is, compared with your own personal baseline.
The rite responds at once: a drone deepens, light gathers, a palace gate unlocks. Drift away and it gently waits.
Moments that are rewarded become easier to find again. Over sessions you learn to enter the state on purpose.
Scalp EEG records tiny voltage changes produced mainly by synaptic currents in the cortex. The standard account is that the signal is dominated by large populations of pyramidal neurons, aligned in parallel, whose fields add up when thousands to millions of them are active in step. A single neuron is invisible at the scalp; what the headset hears is the rhythm of the crowd, typically tens of microvolts.
EEG is superb at timing, to the millisecond, and coarse in space: skull and scalp blur the signal, so each electrode reflects a broad patch of cortex. It cannot read thoughts. It reports rhythms, and those rhythms shift reliably with drowsiness, relaxation, focus and practice.
| Rhythm | Range | Commonly associated with |
|---|---|---|
| Delta | ~0.5–4 Hz | Deep, slow-wave sleep |
| Theta | ~4–8 Hz | The hypnagogic threshold into sleep; at the front midline, focused attention and sustained concentration in meditators |
| Alpha | ~8–12 Hz | Relaxed wakefulness, eyes closed, attention turned inward; an active gating of the senses |
| SMR | ~12–15 Hz | Motor stillness over the sensorimotor cortex |
| Beta | ~12–30 Hz | Alert, engaged, task-focused states |
| Gamma | >30 Hz | Integration and binding; reported at high amplitude in some long-term meditators |
Band edges vary between laboratories, and no rhythm means one thing. Meaning depends on where it is recorded, on the task and on the person, which is why every Neuro Edition threshold is set against your own baseline rather than a population norm.
The dominant explanation is operant conditioning. When a reward follows the moments your brain moves in the target direction, those moments become easier to reach. Over time the skill becomes implicit, like learning to wiggle your ears, or to balance.
Kamiya’s laboratory showed that people could learn to recognise, and then to control, their own alpha rhythm when given a signal for it. He later described this as the first communication about operant conditioning of the EEG, the root of what is now called neurofeedback.
Sterman trained cats to produce a 12–15 Hz rhythm over the sensorimotor cortex. By chance, the trained animals proved markedly more resistant to seizures from a rocket-fuel compound than untrained ones, a finding that opened decades of clinical research.
Four decades of meditation research converge on a consistent picture. A major review concluded that EEG measures show an overall slowing after meditation, with theta and alpha activity tracking proficiency (Cahn & Polich, 2006). A systematic review of 56 mindfulness studies found increased alpha in about two-thirds of relevant studies and increased theta in most, stronger in experienced practitioners, and suggested the combination reflects a state of relaxed alertness (Lomas et al., 2015).
Experts show more: increased frontal midline theta and somatosensory alpha during meditation compared with mind-wandering, patterns tied to cognitive control and active monitoring (Brandmeyer & Delorme, 2018). And in a famous small study, long-term Buddhist practitioners generated sustained, high-amplitude gamma synchrony during compassion meditation (Lutz et al., 2004).
This is precisely the state that the old rites engineered by other means. The fasting, posture and whispered hymns of the Hekhalot practitioner, the night vigil of the Greek papyri, the drum of the journey: each is a technology for moving attention inward and holding it there. The EEG lets the practitioner, for the first time, see that movement as it happens.
| Study | Finding |
|---|---|
| Brandmeyer & Delorme, 2013 | Feedback can help beginners by working “in the periphery”: gentle signals about mind-wandering and progress that support practice rather than replace it. rationale |
| Hunkin et al., 2021 | 68 adults, consumer headband, focused-attention meditation. Auditory neurofeedback was associated with modestly higher state mindfulness and less mind-wandering; some found it guiding, some distracting. crossover trial |
| De Vuyst et al., 2025 | Real versus sham alpha-theta feedback during meditation: real feedback changed the trained EEG measure more than sham, and the change persisted into rest afterwards. sham-controlled |
| Treves et al., 2024 | Systematic review, 419 participants: people reliably learn to raise theta power, but evidence for broader behavioural benefit is still limited and many studies lacked adequate controls. systematic review |
Each Neuro Edition maps the stages of its rite onto the rhythms most associated with them, using standard neurofeedback engineering. What follows is our design method.
| Stage of the rite | Trained rhythm | What you experience |
|---|---|---|
| Calibration | One minute eyes open, one eyes closed | The opening invocation plays while the app learns your personal baseline and alpha peak. Every threshold is set relative to you. |
| Purification · settling | Rising posterior alpha (PO3/PO4 on the Crown) | The space grows quiet and the light gathers as attention turns inward. |
| Invocation · concentration | Sustained frontal theta (F5/F6 average) | The hymn holds and builds while concentration is steady; it waits for you when you drift. |
| Ascent · vision | Alpha–theta crossover, eyes closed, sound only | The gates of the palaces, the Aethyrs, the descent: each opens only after the state has held. |
| Return · grounding | Alpha returning toward baseline, eyes open | A deliberate, measured way back, as the old texts always required. |
A gate opens only after the rhythm stays above threshold for a cumulative period, for example twenty seconds within thirty. Feedback is continuous and graded, with hysteresis so it never flickers.
The bar adjusts so you are “in zone” roughly half to two-thirds of the time: never trivial, never discouraging. You can always complete the rite without the gating on a poor-signal day.
Blinks, jaw tension and movement are detected and feedback freezes rather than rewarding them. Muscle-prone gamma is never the main reward. Each session reports time in zone and how much data was rejected.
Both headsets use dry electrodes, connect wirelessly and give developers access to the raw signal. The headset is purchased separately from the manufacturer.
| Board | Channels | Sample rate |
|---|---|---|
| Ganglion | 4 | 200 Hz |
| Cyton | 8 | 250 Hz |
| Cyton + Daisy | 16 | 125 Hz per channel |
Worn in the 3D-printable Ultracortex Mark IV headset, with 35 possible electrode positions on the 10–20 system, fitted with 8 or 16 dry electrodes.
| Spec | Value |
|---|---|
| Channels | 8 EEG at 256 Hz |
| Positions | CP3, C3, F5, PO3, PO4, F6, C4, CP4 · reference T7/T8 |
| Onboard | Quad-core processor; filtering on the device |
| Developer access | JavaScript and Python SDKs, band power ~4×/s |
Parieto-occipital alpha is well covered by PO3 and PO4; frontal theta is estimated from F5 and F6.
Every app in the collection has a Neuro Edition. Choose the rite you practise most, ORACLE, the Seven Palaces, Enochian Calls, the Greek Gods or any other, and tell us which headset you own or intend to buy.
Headset sold separately
Reserve a Neuro EditionReservations are by email. We confirm the app, your headset, delivery timing and terms in writing before any payment is taken. Neuro Editions are for contemplative, educational and artistic use. They are not medical devices and are not intended to diagnose, treat, cure or prevent any condition. OpenBCI and Neurosity are trademarks of their respective owners; Discovery Science is independent of both.