Archive for the ‘technology’ Category

Questioning Capgras

Wednesday, April 30th, 2014

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CapgrasSomeone with the Capgras delusion has the stubbornly ingrained belief that a person or persons close to her—her spouse, her parents, her child—is someone else, a stranger, an imposter.

Although rare, Capgras is of interest because understanding it could shed light on the normal processes by which people recognize people. To decide that you are in the presence of your wife, not a stranger who bears an uncanny resemblance to your wife, is to make a personal identity judgement. We make them all the time, usually automatically and effortlessly with people we know well, sometimes with effort when we struggle to place a familiar face encountered in an unusual setting. An understanding of how beliefs about personal identity can go so spectacularly wrong in Capgras and related disorders may afford insight into the ordinary intuitions we rely on to recognize other people and ourselves. (more…)

The Illusion of Survival

Tuesday, February 19th, 2013

TheIllusion of Survival (small)When people ask what the Phantom Self is about and I have to come up with an elevator speech of a minute or less, I’ve started saying something along the lines of, “There is no fundamental difference between your relationship to your future self and your relationships to other people.” This sometimes strikes a chord, making people want to hear more. It’s better than leading with teleportation, although teleportation is not bad at parties, where people take it as an invitation to play; they light up and start recalling the Hollywood fantasies they enjoyed in their misspent youth, the more outrageous the better. It’s way better than starting off with the idea that we are informational entities, to which people respond as though they’d stepped in something squishy.

There’s no doubt that this material is hard to understand, still harder to explain. It doesn’t help that it’s spread over 60-odd posts written over three and a half years. I can’t distill it all into a one-minute elevator speech. But if I had to pick one key finding—the most important—it would be that personal survival is an illusion. And although support for this claim—which is puzzling and incomprehensible if you come across it cold—is scattered throughout 400 pages or so, no single post addresses this point directly.

So here goes. (more…)

Uploading Ray Kurzweil

Monday, January 7th, 2013

In The Singularity is Near, inventor and futurist Ray Kurzweil argues that the rate of technological progress, which is exponential, will reach a critical point about 2045 when its impact will be “so deep, that human life will be irreversibly transformed.”  Before then, he predicts, human beings will have uploaded themselves to vastly more intelligent and robust machines. Kurzweil—who was born in 1948, as I was—expects to make that journey personally. (more…)

Being Protean – Johnston’s Narratives of Survival

Thursday, May 10th, 2012

This is the second part of a two part review of Mark Johnston’s Surviving Death. Part 1 is here.

Narratives of Personhood

In the third Surviving Death lecture, Johnston asks why the boundaries of the intentional self ‘roughly’ coincide with those of the living human organism, and answers:

It is because we have been brought up inside the narrative of the human being, a narrative which…tells us roughly how long we can expect to last…. This narrative, which forms a frame around our collective life, makes what could otherwise strike us as tendentious identifications of a consciousness or an arena across periods of deep sleep or unconsciousness seem utterly natural. In making such identifications we make them true or at least immune to refutation. [Johnston, 2010, p 247]

The boundary of the person, that circumscribes our self-concern, is a product of culture. To bring the point to life, Johnston imagines three populations in which different boundaries of personhood are accepted: the Hibernators, the Teletransporters, and the Human Beings.

The Hibernators are intelligent, culturally modern human beings with a genetic quirk that keeps them constantly awake for most of the year, but puts them soundly to sleep during the coldest months. Although the Hibernators are well acquainted with the facts that their organisms normally survive the winter slumber, they do not regard the lives to be lived next year as their own. They do not anticipate having the experiences of those who will wake in the spring, and therefore do not fear such of those experiences as are expected to be painful, or look forward with expectant delight to experiences that will be delightful. Despite the fact that next year’s Hibernators will have veridical memory-like experiences of the lives of this year’s Hibernators, they will not regard those remembered lives as their own. A Hibernator does not take personal pride in his predecessor’s achievements, or feel guilty about his transgressions.

The Teletransporters are a technologically advanced human culture who rely on teleportation for transportation over long distances. When planning trips, they unproblematically extend their self-concern to their reconstructed successors. The successors pay their predecessors’ debts, and bask in their glories.

And the third group, we, the Human Beings

…regard Teletransportation as a form of human Xeroxing that has the unfortunate feature of destroying the original. At first, it seems to us that the Teletransporters…are prepared to commit suicide and even kill their own children by putting them into the machine. [Johnston, 2010, p 262]

The Teletransporters know the machine destroys their original bodies. They just don’t care. (more…)

Anatta to Agape – Mark Johnston’s Surviving Death

Friday, April 27th, 2012

In a remarkable book, Surviving Death, Mark Johnston reaches several surprising conclusions about persons and personal identity. One of them, as the title implies, is that persons can survive their biological deaths. This claim does not depend on the existence of anything resembling an immaterial, substantial soul; Johnston’s account of post-death survival is entirely naturalistic.

Johnston has packed a lot into five long chapters, originally presented as a Carl G. Hempel lecture series at Princeton. I am impressed by the stamina of the audience, who attended to what must have been a full week of close and often counterintuitive argument and stayed to ask penetrating questions. I doubt I could have followed it all—and so, am grateful to have the lectures in printed (actually e-book) form, for they are rich with insight.

Having read Johnston’s 1997 attack on Parfit’s neo-Lockeanism, “Human Concerns Without Superlative Selves,” I had pegged him as a ‘conservative’ about personal identity. But Surviving Death reveals a theory of personhood as radical as any. (more…)

Parfit’s Retreat: “We Are Not Human Beings”

Friday, March 30th, 2012

In a new paper, “We Are Not Human Beings,” Derek Parfit argues that persons are identically their conscious, thinking parts, which he identifies as their cerebrums.  This is a significant departure from the position he defended in Reasons and Persons, that personal identity consists in non-branching psychological continuity and connectedness with any cause:

Our identity over time just involves (a) Relation R—psychological connectedness and/or psychological continuity, either with the normal cause or with any cause, provided (b) that there is no different person who is R-related to us as we once were. [Parfit, 1984, p 216]

I call Parfit’s new view a “retreat” because it is a move away from the radical insights about what we are which illuminated Reasons and Persons, to a ‘conservative’ account of persons as physical substances. I find the move puzzling, because I can’t see that Parfit is compelled to make it, and disappointing, because it raises once again the fog of mysteries about persons that looked well on their way to being dispelled.

Parfit’s claim that persons are their cerebrums has as a direct consequence that persons cannot survive information-based teleportation. If  I plan to be teleported to Mars, I should accept that my replica on Mars will not be me, because my replica’s cerebrum is numerically different from my cerebrum. The cerebrum is a body part, which, like any other ordinary material object, ceases to exist when it is destroyed. Its replica on Mars is a different cerebrum—hence, if Parfit is right, a different person.

Parfit has long thought that survival—a person’s continued existence—is different from what matters in survival. His new view on what persons are could perhaps coexist with his earlier position that information-based teleportation preserves everything that matters in survival. But such coexistence, I will argue, is an uneasy truce between fundamentally warring ideas. An alternative account of what persons are—informational entities—is a better fit to Parfit’s intuition (which I endorse) that nothing important need be lost in teleportation of persons.

“Why We Are Not Human Beings” is Parfit’s response to animalism—the view put forward by Eric Olson and others that persons are identical to animals, or biological organisms. (In the animalist literature, “human being” is used as a synonym for “human animal.”) In this review of Parfit’s paper, I raise the following points:

  1. The arguments Parfit brings to bear against animalism rely on an intuition that has equal force against the paper’s conclusion that persons are their cerebrums.
  2. The claim that persons are their brains was strongly rejected in Reasons and Persons for reasons that supported a central argument of that book. If we were identical to our cerebrums, Parfit’s main argument against the Self-Interest Theory would be undercut in the same way that it would be if we were identical to our (whole) brains.
  3. The claim that we are our cerebrums weakens Parfit’s argument in Reasons and Persons that “ordinary survival is about as bad as being destroyed and having a Replica.” If I am my cerebrum, it is hard to believe that destruction of my cerebrum is not especially bad for me, even if a replica of my cerebrum is manufactured in its stead. (more…)

Anticipation and the Extreme Claim

Wednesday, November 23rd, 2011

The Apparent Rationality of Prudential Concern

Consider the following apparently straightforward inference:

I do not expect to die soon. Therefore I expect to be alive in the future. I expect I will have experiences in the future. I anticipate having experiences in the future. Because experiences can be pleasant or unpleasant, I have reason to care about the quality of those experiences.

Notice the flow of argument: from a straightforward prediction of fact—that my death is not imminent—and the seemingly innocuous observations that persons persist through time, that persons have experiences, and that experiences vary in quality, to the conclusion that I have a reason to care about the quality of my future experiences. The steps in the argument seem innocent and deeply familiar. These ideas are so closely linked as to seem inseparable.

I suggest they seem inseparable because the core concept of a person is that of a subject of experience that persists through time. Because experiences can be pleasant or unpleasant, we think a subject has reason to care about their quality in the future.

By “subject of experience” I just mean whatever has experiences. I am not claiming that the concept of a person is that of a Cartesian ego, or a spiritual substance, or a biological organism, or its brain, or any sort of psychological entity. I claim only that the concept of a person is of something that has experiences. This claim is uncontroversial.

The above argument illustrates how a motivational idea—having a reason to care about something—can be embedded in what appears to be a straightforward factual description. (more…)

Kolak: I Am You

Friday, September 30th, 2011

People who think deeply about the puzzle cases of personal identity have come up with a variety of bold and radical responses. Like Alexander hacking through the Gordian knot, Parfit wielded an analytical scalpel to divide personal identity from what matters in personal survival, reaching the conclusion that ordinary survival is about as bad as being destroyed and replaced by a replica. Robert Nozick was so impressed by the difficulties posed by fission cases that he decided personal identity must depend on extrinsic factors: you are identical to whatever person is your closest continuer at any future time, a thesis with the odd consequence that, if your closest continuer after fission dies, you may suddenly find yourself being someone who until that time was someone else, your second-closest continuer. David Lewis’ solution to was to abandon the tried-and-true principle that persons can be counted by counting heads. Since there are two persons after fission, there were two all along, even though, before fission, they occupied the same body and were unaware of their duality. (Bizarre though it sounds, I support Lewis’ solution as one that inflicts the least damage to the traditional concept of a person.) Thomas Metzinger’s analysis led him to conclude that “no such things as selves exist in the world.”

In his book, I am You, Daniel Kolak offers yet another radical theory of personal identity: There is only one person, and that person is all of us.  What are commonly understood to be boundaries between individuals, he says, do not “merit the metaphysical significance ordinarily accorded to them.”

Our borders do not signify boundaries between persons. We are all the same person. [Kolak, 2010, p 1] (more…)

Jihad of the Heart – episode 4

Tuesday, June 28th, 2011

This is the final episode of the story.  If you haven’t read episode 1, start here.

Javeed’s lawyer confronts him at the break.  “You didn’t shave this morning!”  Javeed doesn’t bother to answer.  He didn’t shave yesterday either.

David brings his face down close, nose to nose, so that Javeed smells the lawyer’s sandwich.  “To win this we each have a job to do,” David tells him.  “My job is to argue your case.  Your job—no less critical—is to present yourself as the guy you were before you were arrested.  A professional engineer, a proud Canadian, a young husband looking to build a life for yourself and your wife.  You can’t afford to let this stuff get you down!  Now, I’m going to hoof it to the hotel and beg a free razor; you can shave in the washroom.  Another thing—you fell asleep in court yesterday.  If you won’t eat, at least have an energy drink!”  He hands Javeed a bottle of bright repulsive liquid. (more…)

Jihad of the Heart – episode 3

Wednesday, June 22nd, 2011

This is episode 3 of a story about life insurance and the law.  If you haven’t read episode 1, start here.

Javeed’s journal: Apr. 1st, 2089.   Federal Corrections Facility Abbotsford.  This morning I was outside with nothing between me and the open sky—the almost-infinite blue across which puffy clouds blew freely from the wire-topped fence on the west side of the yard to the same fence on the east.  Birds fly over the fence, in and out.  The robots on the corner towers pay no attention to them.  We men, who know we are being watched, do not go near the fence.

I got a call from the Canadian Civil Liberties Union, some kind of liberal-minded NGO.  The guy said I shouldn’t give up hope.  I said nothing—but kept listening.  In the CCLU’s opinion my trial was a travesty.  I was incompetently represented.  Instead of hanging up, which I should have done, I said, “Tell me something I don’t know.” That only encouraged him.   He said there are grounds for an appeal.  I told him I’m already in debt, expecting him to back off, but he did not.  He said money was no concern—an important principle of law is at stake, and the CCLU is ready to fight for it.   I’d be represented by a team of top lawyers, CCLU members passionately committed to overthrow the terrible precedent set by my case.  Moreover, I’d qualify for legal aid!  There are several grounds for appeal, including egregious lapses of duty of my former counsel (may he eat flies!), all the way to potential conflicts with the Charter of Rights.  Would I launch an appeal?

“At no cost to me?” I repeated, to be crystal clear.

“No cost whatever.”

It being April Fool’s Day, and being a fool myself, obviously, I agreed to meet their lawyer, Mr. David Ogilvie.

As I just now read in the Qur’an, “Fighting  is obligatory for you, much as you dislike it.”  So I fight. (more…)