Monday, November 28, 2016

Ghosts, Spirits, and Reincarnation -- The Afterlife, Part I

“You don’t believe in me,” observed the Ghost.
“I don’t,” said Scrooge.
“What evidence would you have of my reality beyond that of your senses?”
“I don’t know,” said Scrooge.
“Why do you doubt your senses?”
                                                            “A Christmas Carol” – Charles Dickens

Some questions occurred to me as I considered the question of life after death. 
  • If we are to believe in the afterlife, why did God create the realms of life and death?  
  • For what purpose do we exist while we briefly live, if we are to endure for an eternity after we die?
I will consider these questions in greater depth in my next post, about Heaven and Hell.  In this post I will consider more prosaic concepts of life after death.  This post will consider souls that remain in our own world and walk among us as ghosts or reincarnated individuals.

The Contemplation of Non-existence
People are reluctant to admit the reality of personal death.  It is somehow counter-intuitive to conceive of ceasing to exist, despite the ready analogues of sleep, which we use so frequently as a euphemism for death.  Perhaps we cannot contemplate non-existence, because the contemplation itself presupposes existence.  How could we imagine the feeling of non-existence?  We cannot.  And so, people have developed beliefs based on the continuation of the human self, because we are unable to imagine actual death.

But, for the sake of argument, suppose we accept the idea that people possess an immortal soul.  What do we think about the afterlife?  What conclusions can we reach by thinking about the traditional ideas of ghosts, spirits, heaven and hell? 

A Christmas Carol
Charles Dickens’ “A Christmas Carol” is an absolute masterpiece.  Often performed in film and on stage, "A Christmas Carol" is essential reading for everyone, because of its clarion call for human kindness.  [If you haven’t read it, go read it now.  Seriously, right now.  I’ll wait.]   “Christmas Carol” is also noteworthy for its unflinching look at the dark side of human character, in negligence and cruelty. 


The story is filled with non-human spirits, as well as human ghosts.  The human ghosts suffer for their misdeeds during life – not in hell, as is usually presumed, but through daily coexistence with a world they can no longer touch.  The souls of those who were good in life are not seen floating above the streets of London; presumably they are in a better place.  “A Christmas Carol” is a work of fiction, but it draws on beliefs that are still held by many people.   I suppose if such ghosts were real and sometimes perceived, as by Mr. Scrooge, they would play a rational role in the world, as a warning to others to treat others well during life, exactly as in the story.



Ghosts
I Ain’t Afraid of No Ghosts!
                                                           
Ray Parker, Jr. ,“Ghostbusters”, song

Ghosts conveniently appear when there is no way to document the occasion, and leave no trace, direct or indirect, of their existence.  Some might ask why it is so hard to believe in the unseen, when physicists’ descriptions of reality include such concepts as dark matter and dark energy, which have never been observed in direct interaction with ordinary matter.  Another kind of unseen reality is contained in physicists’ description of the multiverse – an infinite number of alternate realities, existing in parallel with our own universe.   What is the difference between those versions of reality and the idea of ghosts?  The answer lies in the repeatable evidence of the weak interaction of those phenomena with our own physical reality.  Dark matter and dark energy are apparent, even inescapable conclusions, based on the variance of the motion of galaxies from the motion predicted by the theory of gravity.  And evidence for the multiverse is clear and repeatable in the interaction of quantum particles with unseen shadow particles outside of our reality.  What is lacking in the search for ghosts is repeatable evidence.   Is it possible that reality contains elements which are capricious, lacking in physical evidenced, taunting our logic and reason?  It may be possible, but I choose not to believe in such a perverse vision of reality.  (Or in a God who would create such a perverse reality.)   In my opinion (and this is only opinion), there will always be stories of earthbound ghosts, and those stories will always be false.

Reincarnation
And I feel…
Like I've been here before.
And you know it makes me wonder
What's going on under the ground. 
Do you know? Don't you wonder?
What's going on down under you?
We have all been here before, we have all been here before.
                                                                        David Crosby, “Déjà vu”, song.

Reincarnation is another common belief, across many cultures, religions and individuals.  Reincarnation is one of the easiest answers to the question of how the individual self can continue after death.  When the ephemeral body expires, the immortal soul that dwelt within that body moves to another body.    It sometimes provides a rationale for visibly unfair events in an individual life; these are justified according to good or bad deeds in previous life. 

Many religions accept some form of reincarnation as part of the general belief in the eternal life of the soul.  Many of these accept the idea that people may be reincarnated as animals.  The soul’s progress towards perfection depends on willful actions of the individual and resulting karma during each life.   The doctrinal narrative that explains the process of reincarnation is very detailed and complex, and of course, is completely different from one religion to the next.  These narratives are contradictory and cannot all be true.

Some versions of reincarnation are attributed to only people.  For example, actress Shirley McClain believes that she has lived many previous lives, beginning sometime in our pre-human past.  (The fact that McClain’s version has no resemblance to archeological or biological evidence doesn’t dissuade her from her belief.)  There are books and websites on how to find and remember our previous lives. 

The on-line literature regarding reincarnation is filled with tangential ideas, equally without a basis in evidence, and contrary to known facts in established science.  The literature references extraterrestrials; the possibility of extraterrestrial past lives; fabricated and incorrect cosmology, evolution, and geology.

When I researched this topic, I found, somewhat to my surprise, that many more people have died than are living today.  In rough numbers, about 100 billion people have lived and died since 50,000 B.C.*, and roughly 7.5 billion people are alive today.  So, for every person living today, about 14 people lived and died before that us.  In concept, enough prior humans existed that all of us could have lived a previous life, or many lives.  Most of those lives were lived sometime between about 200 B.C. and 1950 A.D. 

*There is an open question about when humanity began.  The demographer who produced this research chose 50,000 B.C. arbitrarily, whereas anthropologists might choose 100,000 to 250,000 years ago.  The truth is there is no clear dividing line between humans and pre-human progenitors.  We cannot say “This being has a soul, but its parents did not.”  This was the point of my childhood question, “Does a virus have a soul?”

Many people believe in reincarnation today, including about one-quarter of American Christians, although reincarnation is not part of Christian theology. 

The possibility of reincarnation is even the subject of serious academic research at the University of Virginia.  For over 40 years, researchers there have been gathering evidence that young children remember previous lives.  According to the researchers, these memories fade by the age of six. 

But if only a few children out of millions remembers a previous life, and if those memories fade by the age of six, can we even say that the previous soul survives?  If we have no memory of our previous selves, do those souls still exist, or have they evaporated, to be replaced by the soul of the presently living individual?

Further, why should memories of past lives only occur in a tiny handful of cases, in children?  Isn’t it possible that parents have misconstrued things said by children, or unconsciously planted ideas in the children’s heads, that later appear to be memories?  Is it possible that all of these stories are some kind of fraud?   The evidence for reincarnation is sparse, not systematic or repeatable, and of questionable authenticity. 

Carl Sagan advocated a principle which should be part of the foundation for any system of belief.  That principle was first proposed by French mathematician Laplace, in 1812: “The weight of evidence for an extraordinary claim must be proportioned to its strangeness.”  Sagan’s formulation is more succinct: “Extraordinary claims require extraordinary evidence.”  The claim that an immortal soul exists for each human, leaves the body at death, and resumes its existence in another person, or an immaterial place, is certainly an extraordinary claim.  And the evidence for that claim is weak.

Conclusion
Most modern people have stopped believing in ghosts.  There are always legends, and there are always things that startle us in the dark.  But those things have more to do with our human senses, and our brain’s tendency to fill in the blanks when deprived of sensory input.   No clear, repeatable evidence for ghosts has ever been gathered. 

Similarly, there is no convincing evidence of reincarnation.  Accounts of individuals remembering previous lives are very sparse and poorly documented.  The instances of remembered past lives are not sufficiently abundant to rule out fraud, or unwitting communication of information to the “reincarnated” individual.  The idea lacks the robust evidence required to validate belief in something unseen.

The idea of life after death, whether as a ghost, or reincarnated soul, fails the basic test of reason.  Why should life of the soul continue after death?   At some point, early human individuals must have possessed “original” souls.  Why would later individuals receive “recycled” souls?  If reincarnation were an actual phenomenon, perceptible to humans, then the beliefs of various cultures and religions would be expected to be parallel, because they are describing the same real phenomenon.  But world beliefs about reincarnation are not at all parallel, and for that reason, we must conclude they are false.

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Does a Virus Have a Soul? -- Summary
An earlier post in this series explored the question of the immortal soul.   (“Does a Virus Have a Soul? http://sensibledisbelief.blogspot.com/2016/07/does-virus-have-soul.html).   To summarize the earlier inquiry, there are qualities of life which give us personal identity -- memory, will, self-awareness, thoughts and emotions.  There is considerable evidence that these capacities are located in the brain, and are erased at death.  There is no compelling evidence that the components of the individual self exist past the moment of death.  There is no evidence of any other receptacle for the self which can hold the self beyond the moment of death.  So the existence of the soul, which is considered the immortal continuation of our self, our personal identity, is without basis.  Further, when we consider the connectedness of life, through evolution and the complexity of the human organism, the notion that only humans possess a soul develops logical contradictions.
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References:

Reincarnation:

Scientific research into reincarnation:

History of past lives:
6.5 % of the people who have ever lived are alive today.