Dr. Ruwan M Jayatunge
During my time working as
an anesthetist in various hospitals, I witnessed patients passing
away in the intensive care units and operating theatres. I also encountered
individuals who had experienced near-death situations and engaged in
conversations with them. Near-Death Experiences (NDEs) have long intrigued me.
The phenomenon raises profound questions about consciousness and the nature of
existence, as individuals recount vivid encounters during moments of clinical
death.
Drawing from these encounters, along with my studies in medical science, psychology, the human brain, and consciousness, I came to a significant realization: When an individual passes away, they typically experience clinical death first, characterized by the cessation of blood circulation and breathing -two essential functions for sustaining life. This state often arises during cardiac arrest, when the heart ceases to beat effectively. If blood circulation is not promptly restored, the brain can begin to incur irreversible damage within approximately 4 to 6 minutes at normal body temperature, ultimately leading to biological death.
During the phase of clinical death, an individual may find their consciousness temporarily trapped within a specific entity. In this state, they lose all perception of time and space, experiencing intense sensations and vivid hallucinations. This mental activity continues until the moment of biological death. Clinical death generally persists for a duration of 4 to 6 minutes before irreversible brain damage or biological death occurs. During this brief period, individuals may experience a profound sense of timelessness, often feeling as though they are immersed in vivid thoughts within their own consciousness. This state is characterized by a complete disconnection from the concepts of time and space.
A person experiencing a near-death event without the burden of depression or anxiety may find themselves floating, surrounded by a serene blue sky and a radiant light, accompanied by a profound sense of peace. In this state, the concept of time becomes irrelevant, as the individual may feel detached from the constraints of clock time. Upon regaining consciousness, they often report a renewed connection to their physical body, having experienced this tranquil floating sensation. Conversely, an individual experiencing a near-death situation while struggling with fear, depression, and anxiety may face unsettling sensations, such as a feeling of burning, and find themselves navigating through a chaotic environment.
Near-death experiences are often marked by vivid hallucinations resulting from
unusual neuronal activity in the brain, typically triggered by oxygen
deprivation. Individuals who undergo these experiences frequently report
sensations such as travelling through a tunnel, feeling weightless, and seeing
a distant light. Additionally, some may perceive their life events as unfolding
rapidly, like a fast-paced film. These phenomena are fundamentally linked to
the irregular functioning of brain neurons.
Imagine a scenario where individuals have transcended the near-death experience
and have actually passed away. Their physical bodies and minds are lifeless,
yet the perceptions they encountered during their near-death experiences remain
intact. In a hypothetical
situation, individuals have moved beyond the near-death experience and have
actually succumbed to death. Their physical forms and cognitive functions are
no longer active, yet the impressions they experienced remain etched in their
minds. This near-death experience imparts a sensation of enduring vivid
perceptions. Moments later, as they pass away, their irregular neural
activities cease. Despite being deceased, the individual feels as though they
are ensnared in an extraordinary realm. The situation feels surreal; the
individual is no longer alive, devoid of any biological components capable of
sensation. However, a near-death experience lasting four to five minutes
solidified his conviction that he is perpetually immersed in the feelings associated
with that moment. This brief neural episode provided him with a sense of
timelessness that continues to resonate within him. This
time-limited neural encounter instilled in him a sense of being perpetually
bound to a single moment.
The nature of the near-death experience can vary significantly based on one's religious beliefs—where a Christian might encounter St. Peter and a Hindu might see Krishna—shaped by the neural pathways influenced by lifelong beliefs. (As a joke, I say atheists might see Ozzy Osbourne). If someone has internalized the notion of being a sinner, they may envision flames, whereas a belief in being virtuous could lead to visions of paradise. It is crucial to understand that these experiences are not mere dreams as we know them but rather profound perceptions that the brain undergoes during the near-death state.
The notion that a person is reborn in a favorable realm after death can be seen
as a perception, just as the idea of descending into hell can also be
interpreted in a similar light. When it is said that the deceased has entered a
divine realm, this aligns with the calm and serene feeling that he experienced
in his near-death moment.
Individuals who adhere to religious beliefs, particularly those that encompass concepts like reincarnation and life after death, may not align with my viewpoint. Nonetheless, I propose a perspective grounded in neuropsychological possibilities. It is essential to regard this suggestion as a potential area for further investigation rather than as a conclusive assertion.
This perception cannot be quantified by our conventional understanding of time; what may feel like mere minutes to an observer could be experienced as a vast, extensive period by the individual undergoing this realization. Thus, while biologically he is dead, the subjective experience of time for him stretches far beyond our clock, transforming those fleeting moments into an eternal sensation. In my view, near-death experiences often lead individuals to perceive that they are transitioning to either heaven or hell.
I encourage contemplation of these ideas through the lenses of quantum physics and neuropsychology, rather than being confined by traditional religious beliefs and myths, and advocate for an independent and critical mindset.
