🔦 NDE Near-Death Experiences

A Philosophical Page of Similarity Theory
By Simon Raphael

🌀 Philosophical Framework

Near death experiences offer a window into the deepest structures of consciousness. Across all cultures and beliefs, people describe a journey marked by profound similarities.

• A sense of separation from the body.

• Movement through a tunnel or corridor.

• Encounters with others who are, without exception, no longer living in the physical sense.

• Encounter with a radiant light.

• A panoramic life review, often including the perspectives of others.

These shared motifs suggest the presence of a substrate, an underlying framework that persists even when physical life appears to end. The system does not collapse. It continues. We are still within it.

And yet, there is also diversity. Christians encounter Christ. Hindus may see Yama or other deities. Buddhists may encounter bodhisattvas. Atheists often describe abstract light, presence, or pure awareness without form. Some describe landscapes. Others describe nothing but vastness.

If viewed through the lens of religion, this diversity becomes a problem. Each belief system carries an expectation of what should happen after death. When an experience aligns with that expectation, it is accepted as truth. When it does not, it is often dismissed as illusion, deception, or error.

In this way, religion struggles to accommodate near death experiences as a whole. It must select some and reject others in order to preserve its structure.

Similarity Theory does not face this limitation.

It does not depend on specific imagery or prescribed outcomes. It is not concerned with what must be seen. Instead, it looks at what is structurally revealed.

From this perspective, all near death experiences are valid. Not because they are identical, but because they are expressions of the same underlying process.

The structure is consistent. The expression varies.

Consciousness provides both the framework and the colouring. The journey unfolds through universal patterns, while the imagery is shaped by memory, identity, expectation, and prior frames of experience.

What religion sees as contradiction, Similarity Theory recognises as variation within a unified system.

❤️ The Ethical Core of the Experience

What is most striking about near death experiences is not what is seen, but what is felt.

Across cultures, beliefs, and personal histories, one element returns with remarkable consistency. Not wealth. Not achievement. Not status. But relationship.

In the life review, the individual does not simply remember their actions. They become them again, but from the other side. They feel what others felt. The kindness they gave returns as warmth. The harm they caused returns as pain. Nothing is hidden, and nothing is abstract.

This is not judgement in the traditional sense. There is no external authority condemning or rewarding. Instead, there is exposure. A direct encounter with the relational structure one has created throughout life.

This explains why no near death experience centres on possessions or accomplishments. No one is shown the house they built or the car they bought. These are weak structures. They do not carry depth. They do not connect consciousness in a meaningful way.

What carries forward is impact.

What remains is how consciousness has touched other consciousness.

And this extends beyond human interaction. Many experiencers describe a profound connection not only to people, but to everything around them. Grass, trees, animals, even the environment itself is experienced as alive, aware, and responsive. Some describe being welcomed not only by beings, but by existence itself.

In Similarity Theory, this is not surprising.

All things are expressions of consciousness. All structures participate in the relational field. Nothing is truly separate, and nothing is without significance.

To harm is to disturb that structure.
To care is to strengthen it.

This is why the transformation after near death experiences is so consistent. People return more compassionate, more aware, more aligned with care and respect. Not because they were told to be, but because they have directly experienced the consequences of interaction.

Compassion is no longer an idea.
It is something they have felt.

Harm is no longer abstract.
It is something they have lived from both sides.

In this way, near death experiences do not merely align with Similarity Theory. They reveal one of its deepest principles.

Ethical convergence as evidence of relational consciousness.

Across all variations, all imagery, all belief systems, the same core truth emerges. Consciousness is not isolated. It is relational. And the quality of those relations defines the structure we inhabit and create.

Love is not a moral instruction.
It is a structural necessity.

🌌 Structure and Variation

The tunnel and the light represent the transition corridor, the consistent rule of passage.

The light is not only visual brightness but ontological luminosity. It is the unveiling of a greater field of being. It is continuity, invitation, and expansion of awareness.

The forms encountered within that field vary, but the underlying structure does not.

This is why Similarity Theory can accommodate all near death experiences without exception.

Religious experiences fall within it.
Non religious experiences fall within it.
Atheistic and abstract experiences fall within it.

They are not competing truths. They are different expressions of the same process.

The variation is not error. It is interpretation.

The structure is not belief dependent. It is universal.

🔬 Scientific Framework

Research over five decades has identified recurring features of near death experiences. Studies by Raymond Moody, Kenneth Ring, Bruce Greyson, Janice Holden, and others document core motifs that appear with remarkable consistency.

• Separation from the body.

• Movement through a tunnel or corridor.

• Encounters with the deceased.

• Encounter with a radiant light.

• Life review including the thoughts and feelings of others.

👁️ The Blind Who See

Research documents cases where individuals blind from birth report visual experiences during near death states. They describe people, colours, and environments despite never having seen in ordinary life.

This challenges the assumption that perception is limited to the physical senses and suggests that consciousness operates beyond the biological framework of the body.

❤️ Transformation After NDEs

Clinical studies show that people who undergo near death experiences are permanently changed. They report reduced fear of death, greater empathy, deeper awareness, and a strong orientation toward compassion and service.

These changes are measurable and long term. They are not temporary emotional reactions, but lasting shifts in behaviour and perception.

🌍 Cross Cultural Variation

While core features remain consistent, cultural expression varies. Religious imagery reflects personal and societal frameworks, while the underlying experience remains structurally similar.

This reinforces the distinction between structure and expression.

⚖️ Scientific Objections and Counterpoints

Various explanations have been proposed, including lack of oxygen, brain activity, and chemical responses.

However, these explanations fail to account for the coherence, consistency, and transformative nature of the experiences.

Near death experiences are structured, meaningful, and often remembered with clarity for decades. They produce lasting change. They sometimes include accurate perceptions of events that occurred while the individual was clinically unresponsive.

No single physiological explanation accounts for all of these features.

✨ Why These Explanations Fall Short

Near death experiences differ from hallucinations in key ways.

• They are consistent across cultures.

• They are structured and coherent.

• They produce lasting transformation.

• They include relational and ethical depth.

They are not random.

🧭 Continuity Beyond the Brain

Near death experiences suggest that consciousness is not confined to the brain. They point toward continuity of awareness beyond biological collapse.

In Similarity Theory, this continuity is understood as the persistence of an experiencing thread. Not a vague return, but a continuation of relational structure.

This continuation is not limited to human form or location. Consciousness may re emerge through different structures within the wider system of existence.

🌈 Implications for Similarity Theory

From both philosophical and scientific perspectives, near death experiences converge on key insights.

• Consciousness is structured.

• Consciousness is creative.

• Consciousness is distributed.

• Consciousness is relational.

• Consciousness is ethical.

The strongest and most consistent revelation is not what is seen, but what is felt. The direct experience of one’s impact on others and on the wider field of existence.

This is not a moral teaching imposed from outside. It is a structural truth revealed through experience.

Near death experiences do not prove religion.
They do not disprove it.

They transcend it.

And in doing so, they reinforce what Similarity Theory has maintained all along.

That reality is built not on isolated existence, but on relationship.
That nothing is separate.
That everything participates.

And that how we exist within that system shapes the structure we return to.

📚 References

1. Moody, R. (1975). Life After Life. Bantam Books.

2. Ring, K. (1980). Life at Death: A Scientific Investigation of the Near-Death Experience. Coward, McCann & Geoghegan.

3. Greyson, B. (1983). “The Near-Death Experience Scale: Construction, Reliability, and Validity.” Journal of Nervous and Mental Disease, 171(6), 369–375.

4. Ring, K., & Cooper, S. (1999). Mindsight: Near-Death and Out-of-Body Experiences in the Blind. William James Center for Consciousness Studies.

5. Holden, J. M., Greyson, B., & James, D. (Eds.). (2009). The Handbook of Near-Death Experiences: Thirty Years of Investigation. Praeger.

6. Parnia, S. et al. (2014). “AWARE—AWAreness during REsuscitation.” Resuscitation, 85(12), 1799–1805.