The DMT "Code" and Neuroscientific Hand-Waving

Over the past several months, algorithmic feeds have been inundated with a peculiar motif: accounts of individuals undergoing intense N, N-DMT experiences who report seeing what they invariably describe as "code," glowing hieroglyphics, alien typography, or cascading "Matrix scripts."
(A necessary physical clarification: these observers are not recklessly staring directly into collimated laser emitters—which causes immediate retinal damage—but rather observing coherent laser light projected onto a flat wall or surface, where the diffuse scattering acts as an external optical canvas.)
Predictably, mainstream cognitive neuroscience and materialist commentators offer an immediate, well-rehearsed wave of the hand:
- They reduce the experience to hyper-excited 5-HT2A serotonin receptors in cortical areas V1 and V2.
- They invoke the mathematical formalisms of Cowan and Ermentrout’s "form constants"—arguing that the brain is merely "seeing its own wiring" of cortical hypercolumns.
- They write off the perception of characters as simple pareidolia—the linguistic centers desperately projecting familiar alphabets onto chaotic visual noise.
This explanation fails because it relies on a category error. Materialist neuroscience insists that consciousness is an epiphenomenon generated by biological wetware; therefore, any perception that deviates from ordinary sensory consensus must be a malfunction, a hallucination, or hardware noise.
What this dismissive view misses—and what contemplative traditions have mapped with extreme precision for millennia—is that these visionary states are not generating arbitrary noise. Rather, the disruption of ordinary perceptual filters temporarily drops the cognitive gatekeeper. The observer confronts the generative threshold of perception itself: the boundary where undifferentiated consciousness crystallizes into structural form.
Long before anyone synthesized DMT or built a laser, practitioners entering deep stillness (samādhi) or profound absorption encountered this exact visual texture. They did not dismiss it as a neural defect. They understood it as reality's pre-verbal grammar.
The Four Tiers of Speech (Catuṣpāda Vāc)

To understand what is actually being perceived at this threshold, we must abandon the modern reduction of language to arbitrary vocal noise and return to the Vedic and Tantric science of speech (Vāc).
As mapped in the Ṛgveda (1.164.45) and elaborated by Bhartṛhari and the masters of Kāśmīra Śaivism, Vāc is not merely communication; it is the fundamental dynamic energy (Śakti) by which reality manifests:
- Parā Vāc (The Supreme Word): The transcendent, silent intelligence identical with Turīya and pure consciousness (Prakāśa). It is without division, motion, or phonemic distinction.
- Paśyantī Vāc (The Visionary Word): The luminous, non-sequential threshold. Here, meaning, vibration, and form exist simultaneously as an undivided, holographic impulse. It is non-discursive ideation (nirvikalpa)—a synesthetic realm where sound is seen, light is understood, and archetypal geometry pulses as raw potential.
- Madhyamā Vāc (The Intermediate Word): The subtle mental syntax. Here, Paśyantī's unified vision begins to fracture into internal sequence, time, and conceptual differentiation (vikalpa). This is the voice inside our head—the silent internal monologue, discursive deliberation, and reactive emotional framing.
- Vaikharī Vāc (The Gross Word): The final physical crystallization. The acoustic breath expelled through the vocal tract, and by extension, the entire solidified realm of physical objects (sthūla viṣaya) labeled and categorized by human language.
In ordinary waking consciousness (Jāgrat), human awareness is totally trapped at the surface layers of Vaikharī and Madhyamā. You look at a patch of light projected against a wall, an object, or an environment, and your mental operating system immediately renders a static, conceptual overlay: "That is a green dot on drywall," "That is a room." The generative code running in the background remains completely invisible because the rendered graphics transfix the observer.
When an intense catalyst—whether the neurochemical disruption of a tryptamine or the radical stillness of deep meditative absorption—shuts down the sequential machinery of Madhyamā without extinguishing lucidity, the waking compiler goes offline.
The observer does not see "hallucinations." They see Paśyantī operating at runtime. The glowing, flowing "code" is the perception of structural phonemic matrices before they are collapsed into sequential words and tangible matter.
Enter the Mātṛkā Cakra: The Ununderstood Mother
In the non-dual Tantra of Kashmir, this generative phonemic engine has an exact name: the Mātṛkā Cakra.
In the Śivasūtras (1.4), the sage Vasugupta lays out the core diagnostic of human bondage in three words:
ज्ञानाधिष्ठानं मातृका\ jñānādhiṣṭhānaṁ mātṛkā\ "The basis of all limited, conditioned knowledge is Mātṛkā."
The term Mātṛkā literally means "little mother" or "ununderstood mother" (ajñātā mātā). It refers to the subtle, hidden power of the Saṃskṛta phonemes—the sonic building blocks stretching from A (the unconditioned absolute ground) to KṢA (the final compound of manifestation).
As Abhinavagupta and Kṣemarāja explain in their commentaries, Mātṛkā is the subtle phonetic matrix that quietly governs the human psyche from behind the curtain:
- When we fail to recognize its mechanics, Mātṛkā becomes the supreme trap. It binds the soul by churning out unending streams of differentiated mental constructs (vikalpas), dividing the seamless ocean of awareness into artificial fragments of "I" versus "other," "desire" versus "aversion." We become puppets to the subtle currents of the phonemic wheel.
- When we recognize its mechanics, the Mātṛkā ceases to be a prison. It reveals itself as the living circuit board of cosmic emission (Sṛṣṭi) and reabsorption (Saṃhāra).
In the phonemic taxonomy of Kāśmīra Śaivism, the Saṃskṛta alphabet is divided into two primary structural polarities:
- The Vowels (Svaras): Sixteen movements of unconstrained divine vitality—pure Śakti.
- The Consonants (Vyañjanas / Sparśas): Thirty-four steps of structural crystallization—the vehicle of manifest objectivity.
The Sixteen Vowels (Svaras): The Pulse of the Causal Field
The word svara shares its root with sva (self) and rāj (to shine). Vowels are self-luminous: they require no other sound to be voiced, and they lend their life-breath to every consonant. Without a vowel, a consonant is a dead, unpronounceable mute (mṛta).
In the Parātrīśikā Vivaraṇa, Abhinavagupta demonstrates how the sixteen vowels represent the sequential unfolding of the causal realm (Paśyantī), tracing the absolute ground as it stirs into self-awareness:
- A (अ) — Anuttara (The Unexcelled Ground): The primordial, open-throated vibration of pure consciousness (Prakāśa). It is without antecedent, without boundary, and without limitation.
- Ā (आ) — Ānanda (Supreme Bliss): When Anuttara rests within its own fullness, it experiences the joy of its own self-existence.
- I (इ) and Ī (ई) — Icchā & Īśanā (Divine Will & Sovereignty): The initial subtle inclination to project experience.
- U (उ) and Ū (ऊ) — Unmeṣa & Ūrmī (Unfolding Expansion & The Wave): The opening of the cosmic eye (unmeṣa), sending a surging wave of creative energy (Spanda) rippling through the field.
- Ṛ, Ṝ, Ḷ, Ḹ (ऋ, ॠ, ऌ, ॡ) — Amṛta-kalās (The Neutralizing Pillars): Neuter vowels that act as an internal gyroscopic stabilization—holding consciousness steady so the creative wave does not collapse prematurely.
- E (ए) and AI (ऐ) — Kriyā-Śakti in Fusion: Formed phonetically by the union of A + I (Anuttara merging with Icchā). Here, divine will crystallizes into the concrete blueprint of manifestation.
- O (ओ) and AU (औ) — The Threshold of Projection: A + U merges unconditioned awareness with cosmic expansion, standing poised on the lip of manifestation.
- Aṃ (अं) — Bindu (The Condensed Seed): The contraction of all cosmic light and sound into a singular, infinitely dense point of causal potential.
- Aḥ (अः) — Visarga (The Radiating Discharge): The great exhalation where the concentrated energy of the Bindu bursts outward into space, time, and matter.
These sixteen vibrations constitute the vibrational operating system of Paśyantī.
The Consonants (Vyañjanas): The Solidification into Matter
Once the creative breath discharges through Visarga (Aḥ), consciousness enters the domain of consonants. The thirty-four consonants are organized into five strict phonetic classes (vargas) according to the physical point of contact within the mouth—from the throat all the way to the lips:
| Phonetic Class | Consonants | Associated Faculty/Element |
|---|
| Ka-varga (Velar / Guttural) | Ka (क), Kha (ख), Ga (ग), Gha (घ), Ṅa (ङ) | The Subtle Elements (Tanmātras) |
| Ca-varga (Palatal) | Ca (च), Cha (छ), Ja (ज), Jha (झ), Ña (ञ) | The Cognitive Faculties (Jñānendriyas) |
| Ṭa-varga (Retroflex) | Ṭa (ट), Ṭha (ठ), Ḍa (ड), Ḍha (ढ), Ṇa (ण) | The Action Faculties (Karmendriyas) |
| Ta-varga (Dental) | Ta (त), Tha (थ), Da (द), Dha (ध), Na (न) | The Mental Organs (Antaḥkaraṇa) |
| Pa-varga (Labial) | Pa (प), Pha (फ), Ba (ब), Bha (भ), Ma (म) | The Gross Physical Elements (Mahābhūtas) |
This progression mirrors consciousness's descent through the thirty-six tattvas. As articulation moves forward through the mouth—culminating in the lips shutting on Ma (म)—consciousness wraps itself in denser and denser layers of objectivity: the throat represents open ether (Ākāśa), while the lips represent solid earth (Pṛthvī). Following the labials come the semi-vowels (Ya [य], Ra [र], La [ल], Va [व]), the sibilants (Śa [श], Ṣa [ष], Sa [स]), and finally Ha (ह)—the supreme aspirate of manifest breath.
The Eight Goddesses of Bondage: The Aṣṭa-Mātṛkā as Cognitive Circuitry

In Tantric psychology, emotional suffering is the systemic output of an automated operating program. The fifty phonemes assemble into eight distinct families or phonetic classes (Vargas).
In the Spandakārikā (verses 3.13–15), these clusters are shown to be presided over by the Aṣṭa-Mātṛkās—the Eight Mothers of limited knowledge:
| Phonemic Class (Varga) | Presiding Mātṛkā | Cognitive / Psychological Governance | The Emotional Reaction Pattern |
|---|
| 1. Svara-varga (A [अ] to Aḥ [अः]) | Brāhmī | Primordial assertion of the ego (Ahaṅkāra) | The baseline illusion of being an isolated, separate "I." |
| 2. Ka-varga (Ka [क] to Ṅa [ङ]) | Māheśvarī | Intellectual pride and vanity | Rigid urge to conceptualize and categorize reality dogmatically. |
| 3. Ca-varga (Ca [च] to Ña [ञ]) | Kaumārī | Illusion and psychological fragmentation | Self-deceit, chasing novelties, and being seduced by mental mirages. |
| 4. Ṭa-varga (Ṭa [ट] to Ṇa [ण]) | Vaiṣṇavī | Greed and territorial attachment | The possessive drive: "This is mine; I must accumulate and control." |
| 5. Ta-varga (Ta [त] to Na [न]) | Vārāhī | Envy and chronic insufficiency | Looking at the other: "They have what I lack; reality is unfair." |
| 6. Pa-varga (Pa [प] to Ma [म]) | Indrāṇī | Fear, dread, and somatic anxiety | Terror of physical or psychological annihilation; existential doubt. |
| 7. Ya-varga (Ya [य] to Va [व]) | Cāmuṇḍā | Wrath, violent aversion, and destruction | The furious impulse to attack or destroy whatever threatens the ego. |
| 8. Śa-varga (Śa [श] to Kṣa [क्ष]) | Mahālakṣmī | Delusion and spiritual lethargy | Dull indifference, existential numbness, and total obscuration. |
The trap operates automatically: a sub-vocal phonemic stirring in a varga produces a mental narrative (vikalpa) in Madhyamā, triggers somatic contraction in Vaikharī, and the active agent identifies with it: "I am terrified," "I am envious." The individual does not possess emotions; the machine speaks them.
The Spatial Architecture of Paśyantī: maṇḍalas and Radial Resonance
While the cascading glyphs represent the runtime linguistic syntax of consciousness, they constitute only half of the visionary field. Meditators stabilizing deep absorption (samādhi) encounter a complementary phenomenon: the spontaneous emergence of maṇḍalas, concentric geometries, and intricate polygonal matrices.
- Madhyamā is Linear and Temporal: Discursive thought requires chronological sequence. Words must line up one after another in time.
- Paśyantī is Radial and Holographic: At this threshold, knowledge (jñāna) does not unfold in sequential time; it is known completely, instantly, and all at once (yugapat).
When high-density meaning is held without fracturing into the chronological syntax of thought, it manifests as spatial geometry.
Every authentic sacred diagram mirrors this internal dynamic:
- The Dimensionless Source (Bindu): The zero-point coordinate representing Parā Vāc and pure unconditioned awareness (Prakāśa).
- The Waveform of Emission (Trikoṇa): Interlocking triangles (as in the Śrī Cakra) representing the standing-wave interference pattern between stillness (Śiva) and dynamic movement (Śakti).
- The Concentric Petals (Padma): Rings of 8 or 16 petals, corresponding directly to the sixteen vowels and eight consonant families of the Mātṛkā Cakra, mapping the outward radial deployment of phonemic energies.
- The Squaring of the Perimeter (Bhūpura): The four-gated square representing the crystallization of vibration into the physical geometry of earth (Pṛthvī) and gross consonants.
The glyphs are the phonemic particles; the maṇḍala is the field equation that holds them in equilibrium.
The Crucible of Emission: Encounters with the Cosmic Egg (Hiraṇyagarbha)

Beyond geometric lattices lies the primordial container of form itself: the Cosmic Egg (Hiraṇyagarbha / Brahmāṇḍa). In sustained meditative absorption, this boundary presents itself directly, as it did for me at two very different points in life. The first was in my early 20s; the second in my mid-40s, with several years of dedicated practice in between.

Encounter One: Rotational Acceleration and the Cosmic Explosion
In the first encounter, awareness finds itself floating weightlessly within a vast, boundless clearing of luminous space (Cid-ākāśa). Drawn inexorably toward an immense, electric blue egg suspended in the void, the ovoid begins to crackle with an unmistakable, high-frequency charge.
As attention locks onto it, the egg begins to rotate on its axis. With each revolution, archetypal forms flash across its luminous surface: on one rotation appears the serene visage of the Buddha; on the next, Śrī Kṛṣṇa emerges. The rotation gathers blinding, exponential velocity until form, archetype, and container fuse into a singular white-hot point of acceleration.
Then, it detonates.
The explosion is not destructive; it is pure, outward Visarga (Aḥ). In an instant, stars, constellations, and entire galaxies burst forth and fly past the witness in a torrential cosmic diaspora.
Phenomenologically, this is the firsthand witness of cosmic genesis:
- The Archetypes on the Axis: The Buddha and Śrī Kṛṣṇa represent the causal deities (Īśvara-tattvas) residing at the threshold of Paśyantī, acting as structural pivots of the cosmic intelligence.
- Rotational Speed as Spanda: The spinning is the accelerating vibration of Sphuraṇa—consciousness cycling through its phonemic possibilities at increasing voltage.
- The Galaxy Burst: The explosion is the precise instant where the unmanifest Bindu (Aṃ) discharges through Visarga (Aḥ) into the vast, consonant-laden playground of physical manifestation (Ha).
Encounter Two: The Assembly of Masters (Mātṛkeśvaras)
In a complementary vision within that same luminous clearing, the self-same crackling ovoid is surrounded by an assembly of spiritual masters and sages. Arrayed around the egg, bathed in its electric blue radiance, their presence acts as conscious guardians of the field.
In Kāśmīra Śaivism, the phonemic matrix is not left running unsupervised. When presided over by realized intent, the phonemic engine is governed by the Mātṛkeśvaras (the Lords of the Matrix) and the supreme lineage (Gurumaṇḍala):
- The immense voltage of Visarga would shatter an ordinary ego. The masters act as a step-down transformer network, stabilizing the standing wave of the causal womb.
- They represent the flip of the Aṣṭa-Mātṛkā polarity: they are the conscious stewards under whose gaze language ceases to be a mechanism of psychological entrapment and becomes a vehicle of deliberate transmission (śaktipāta).
The Inward Journey: Deconstruction into the Navel of the Source

The mechanics of this phonemic architecture can be verified experientially when consciousness traces the path of inverted speech (Saṃhāra-Krama)—dissolving the consonants back into the unmanifest core.
In practice, this path of reversal reveals itself through an unmistakable sequence of symbolic and energetic transitions:

- Swallowed by the Master: The individual identity, mired in the consonant-bound narratives of the daily mind, is swallowed whole by the presence of the Master—a sudden collapse of personal syntax into the lineage field (Gurumaṇḍala).
- The Photon in the Golden Wormhole: Stripped of personal attributes, awareness contracts into a singular quantum of light—a lone photon accelerating through a roaring golden wormhole, mirroring the classic transit of subtle prāṇa up the luminous central axis (Citrī-nāḍī).
- The Giant Golden Sun: The conduit empties directly into an immense, blinding golden sun—the luminous womb of the Hiraṇyagarbha, radiating with the unadulterated vitality of the sixteen vowels.
- The Plunge into Total Darkness: Pulling straight through the center of the golden orb, awareness plunges into absolute, abyssal darkness. This was the causal void (Mahāśūnya) of Suṣupti—the complete suspension of all mental and sensory constructs, resting in the silent awareness of total absence.
- The Blue Light and the Navel Lotus: Out of that pregnant blackness, the electric blue light flickers awake once more. Awareness coalesces upon an open lotus flower rising directly from the navel of Lord Viṣṇu reclining on the causal waters.
The ontology here is mathematically precise:
- Viṣṇu is the unconditioned silent ground (Parā Vāc / Turīya).
- The Navel (Nābhi) is the classical anatomical seat of Paśyantī—the center from which unmanifest sound first stirs into visionary form.
- To awaken seated upon that lotus is to occupy the vantage of Brahmā: the cosmic witness stationed at the generative juncture of reality, observing the entire phonemic matrix of the Mātṛkā preparing to bloom into existence.
The Cosmic Circuit of A-HA-Ṁ and the Return via Uccāra

This entire vast movement is held within a single, self-contained feedback loop: the sacred formula AHAṀ (अहम्)—the Pūrṇāhantā (Supreme I-Consciousness):
- A (अ): Anuttara—the primordial ground (Prakāśa), the zero-point of awareness.
- HA (ह): The furthest outward boundary of cosmic emission (Śakti / Vimarśa) down to physical matter.
- Ṁ (ं / Bindu): The anusvāra, the point of re-absorption sealing the outward arc back into unity.
In the word AHAṀ, the entire cosmos breathes. A radiates outward into Ha, and Ha folds back through Ṁ into A.
To reverse the automated engine in daily life, non-dual Śaivism provides the practice of Uccāra—elevating sound and breath upstream:
- From Vaikharī to Madhyamā: Noticing the effort behind spoken words and mental chatter, refusing to pursue the reactive narratives of the eight Vargas.
- From Madhyamā to Paśyantī: Merging linear syntax into the continuous resonance of a seed-syllable (bīja), encountering meaning as raw vibrational light (Nāda) and radial geometry.
- From Paśyantī to Parā: Allowing the vibration to thin out through the crown into the state beyond mind (Unmanā), resting in the gap of absolute stillness (viśrānti).
The Code Unveiled
When modern seekers watch coherent light scatter across walls under visionary catalysts and marvel at the neon typography streaming through the illumination, they are not discovering a technological artifact of an alien machine, nor are they merely observing neural noise.
They have stumbled into the engine room of consciousness. They are catching a fleeting, ungrounded glimpse of the Mātṛkā Cakra operating at runtime—the pre-verbal, visionary geometry of Paśyantī pulsing on the canvas of Parā.
Yet a temporary glimpse through chemical disruption leaves the traveler clutching at external sci-fi metaphors to explain what was seen.
The path of contemplative recognition accomplishes something far more radical: it makes the visionary architecture transparent. Through the systematic quietude of Uccāra and direct recognition of the silent witness, the internal narrative ceases to be a prison of reactive emotion, and the consonants of the physical world cease to be walls of separation.
The entire wheel of letters—from the first whisper of A (अ) to the furthest reaches of Ha (ह)—is recognized for what it has always been: the luminous play of your own unconditioned Self, writing the poetry of reality upon the silence of its own infinite being.
Read more about this: THE ARCHITECTURE OF THE SUBTLE BODY
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