home *** CD-ROM | disk | FTP | other *** search
- MEMETICS; THE NASCENT SCIENCE OF IDEAS AND THEIR TRANSMISSION
-
- J. Peter Vajk
-
- An Essay Presented to the Outlook Club
- Berkeley, California
- January 19, 1989
-
-
- In April 1917, a 47-year old lawyer-turned-journalist and a handful of
- companions enter Russia by train. By November, they take control of
- the government of Russia. Within another four years, a devastating
- civil war kills some 10 million Russians.
-
- In 1924, a 34-year old handyman and would-be artist and architect is
- arrested for starting a brawl in a tavern in southern Germany. In
- jail over the next nine months, he writes a book expressing his
- dissatisfactions with life and the world in which he lives, and lays
- out a blueprint of what he plans to do to change it. Within nine years
- he has total and sole control of the entire national government. Over
- the ensuing thirteen years, his exercise of that power leads to the
- deaths of some thirty million people across two continents and three
- seas.
-
- In the early 1970's, two young men, both of them Vietnam War veterans,
- go camping in the Sierra Nevada in California, about a mile from a Girl
- Scout campground. The second afternoon of their stay, one of the men
- breaks out in chills, sweats, and violent shivering, like he had
- experienced a few times in Vietnam. About a week later, in the
- San Francisco Bay area, six Girl Scouts become ill, with high fevers,
- severe headaches, and violent shivering.
-
- In the mid-1970's, a charismatic minister attracts a large following
- among the poor and disaffected population of a Northern California urban
- center. After their activities draw increasing attention from the press,
- the minister and nearly a thousand of his adherent move en masse to an
- obscure village in the jungles of a small South American country. By
- November 1978, he and 910 others, including children, lie dead in the
- jungle, having drunk KoolAid which they knew was laced with cyanide.
-
- In the late 1970's, a handsome young French Canadian steward working for
- Air Canada begins to make regular visits (using his free airline passes)
- to New York's Greenwich Village, Los Angeles' Sunset Strip, and San
- Francisco's Castro, Polk, and Mission Street areas. He has no trouble
- picking up dates with dozens of gay men over a period of two or three
- years. By 1980, over a hundred men from coast to coast are dead of dying
- >from a strange form of cancer or from a rare form of pneumonia.
-
- In the fall, of 1988, a graduate student loads a short program into a few
- mainframe computers. Within two days, dozens of mainframe computers all
- across North America and Great Britain come to a halt: each computer is
- repetitively doing nonsense copying of files, leaving no time at all for
- productive computing. It takes as much as a week to get some of the
- computer centers back to normal activity.
-
- These six episodes, from the disparate fields of politics, human disease,
- religion, and computer technology, have a great deal in common. It is my
- aim tonight to explore memetics, a science in the early stages of birth.
- "Meme" (pronounced to rhyme with "cream") is a neologism, coined by
- analogy to "gene," by the writer-zoologist Richard Dawkins in his book
- _The Selfish Gene_ (New York: Oxford University Press, 1976). By the end
- of this essay, the deep similarities (as well as some of the vital
- differences) among these six episodes will, I hope, become clear. I will
- also engage in some speculation about the implications of this nascent
- science for current affairs.
-
- The roots of the idea of memetics as a science lie in the study of
- biological evolution, in genetics, in modern information theory, in
- artificial intelligence research, in epidemiology, and in studies of
- patients with split brains. To set the stage for my discussion of memetics,
- let me briefly recapitulate the modern understanding of biological evolution
- and the role genes play in evolution.
-
- We now know that life originated on Earth about four billion years ago.
- The earliest things we might consider to be on the threshhold of living
- beings were in all probability complex organic molecules capable of
- replication, that is, able to make identical copies of themselves from
- less complex molecules in their environment. Complex molecules of this
- sort, given a few hundred million years, could arise by chance at the
- edges of the young oceans out of the primordial broth of substances like
- water, carbon dioxide, methane, ammonia, and hydrogen sulfide, which were
- all abundant in the original atmosphere of the Earth. This broth was
- stimulated by ultraviolet light from the Sun (more intense since the Earth
- had as yet no ozone layer); by lightning and tidal action (both of which
- were more intense because the Moon was considerably closer and the day was
- shorter); and volcanism (also more intense since the Earth's crust was newly
- formed and thinner). Such stimuli, acting for a period of just a few weeks
- on such a primordial broth, have been demonstrated in laboratory experiments
- to produce molecules of intermediate complexity such as amino acids from
- which all proteins are made. These amino acids, in turn, give rise in the
- same laboratory experiments within a few months to nucleic acids, from which
- the DNA in all living viruses, plants, and animals on Earth are made.
-
- Once even one self-replicating molecule had come together, evolution toward
- diversity and greater complexity was inevitable. Once in a while, a copying
- mistake would happen; if the new copy could still make copies of itself, a
- new "species" would have emerged. Soon (speaking in geological time scales)
- there would be a number of species of self-replicating molecules competing for
- the shrinking supply of raw materials in the broth at the edge of the sea.
- The populations of these different species would depend to a large extent
- on three characteristics of the molecules: longevity, fecundity, and
- copying-fidelity.
-
- If a particular type of molecule were only moderately stable against
- disruption by ultraviolet light or by the acidity of the broth, for
- example, it would not have much time available to make copies of itself.
- On the other hand, even a short-lived molecule could come to outnumber a
- very stable molecule if it can make new copies of itself very quickly. A
- molecule which is not very selective about which bits of raw materials it
- uses for a particular part of a copy may have numerous offspring, but they
- will be of different species, so that the numbers of molecules which do not
- have high fidelity replication will not grow; the species may, in fact,
- become extinct fairly rapidly.
-
- As the numbers of self-replicating molecules increased, their food supply
- declined, since the food was increasingly embodied in the replicators
- themselves. Any molecule which accidentally had the capability of
- breaking other species of molecules apart would then have access to more
- raw materials, and predation appeared on the scene. In turn, molecules
- resistant to being eaten in this way (perhaps by carrying around a coat of
- proteins like modern viruses) would then increase in numbers relative to
- those which molecules which could be eaten easily. At some unknown stage
- in this process, the class of self-replicating molecules we know as DNA,
- appeared on the scene. We do not know whether or not DNA was the original
- replicating molecule, or whether it evolved from some earlier class of
- molecules. In any case, it has been highly successful, since no other
- class of self-replicating molecules survives on Earth today.
-
- At some later point in time, by processes which are still unknown, simple
- single-celled organisms which we would clearly recognize as "living" arose.
- These early creatures were still dependent on physical processes (lightning,
- ultraviolet light, etc.) for the production of foodstuffs, on predation, or
- on scavenging. Finally, about two billion years ago, a new molecule was
- "invented" which changed the whole picture. That molecule was chlorophyll,
- which enabled its inventors, the blue-green algae, to make complex foodstuffs
- (sugars and starches) directly and rapidly from two of the simplest and most
- abundant molecules in the environment, namely, water and carbon dioxide, with
- a little help from the sunlight. This made it possible for several different
- types of simple primitive cells to fuse together into the more complicated
- modern cell in a mutually helpful, symbiotic relationship. The more complex
- cell could now form multi-cellular entities, and higher plants and animals
- appeared on the scene, creating the sort or biosphere we know today.
-
- But underneath it all, the self-replicating DNA molecule, the gene, is the
- very essence of life. Trees, dogs, mosquitos, robins, earthworms, and human
- beings are from a certain perspective nothing more than huge, elaborate robots
- whose only function is to enhance the ability of the minute genes inside to
- replicate themselves. In other words, a chicken is merely an egg's way of
- making more eggs.
-
- While individual chickens or salmon or human beings have fairly short
- lifespans, a particular gene, that is, a particular pattern of amino acids
- in a DNA chain, may survive through many generations. Ignoring some of the
- finer points of the way in which chromosomes are scrambled during the
- formation of sperm cells and egg cells in sexual reproduction, a given gene
- may actually survive for millions of years, although the survival machine,
- the body it wears, is replaced frequently.
-
- Any particular body reflects the particular collection of genes it carries;
- natural selection operates, not on species or on particular populations, but
- on individual genes. As environments change, the survival probabilities for
- a particular gene may be enhanced by tagging along with a different collection
- of genes. Thus it is not surprising that the gene for Rh factor in human
- blood is virtually identical to that in chimpanzees, and just a little bit
- different in rhesus monkeys in which the expression of the gene was first
- discovered. Each gene, like its distant ancestors, the primitive self-
- replicating molecules of four billion years ago, is "selfish:" the survival
- of that gene depends on making its survival machine (its body) act or grow in
- a way that increases the changes that more copies of that gene (rather than
- some other competing gene in the gene pool) will be made in new survival
- machines.
-
- Let us turn now to human beings. It has been observed frequently that
- cultural evolution has, by and large, become more important for humans than
- biological evolution. It is, in any case, far faster: a new cultural idea
- or mutation can spread through all the individuals in the same generation
- which invented the new idea. A genetic mutation, on the other hand, can
- only begin to spread when the next generation is born, and it will take many
- generations before the mutation has any chance of being expressed in a
- significant fraction of the population. It is thus of much more than passing
- interest to consider how ideas are transmitted; whether and how they compete;
- and what effects they have on the survival machines, originally built to help
- genes propagate, which house the minds in which ideas are born and live.
-
- An early hint at some of these issues is in an article by neuro-physiologist
- Roger W. Sperry titled _Mind, Brain, and Humanist Values_ (In John R. Platt,
- ed., New Views on the Nature of Man. Chicago: University of Chicago Press,
- 1965.) Sperry writes,
-
- Ideas cause ideas and help evolve new ideas. They interact with each
- other and with other mental forces in the same brain, in neighboring
- brains, and, thanks to global communications, in far distant, foreign
- brains. And they also interact with the external surroundings to
- produce in toto a burstwise advance in evolution that is far behind
- anything to hit the evolutionary scene yet, including the emergence
- of the living cell.
-
- Molecular biologist Jacques Monod in the last chapter of _Chance and Necessity:
- An Essay on the Natural Philosophy of Modern Biology_ began to explore the
- evolution of ideas.
-
- For a biologist it is tempting to draw a parallel between the evolution of
- ideas and that of the biosphere. For while the abstract kingdom stands at
- a yet greater distance above the biosphere than the latter does above the
- nonliving universe, ideas have retained some of the properties of organisms.
- Like them, they tend to perpetuate their structure and to breed; they too can
- fuse, recombine, segregate their content; indeed they too can evolve, and in
- this evolution selection must surely play an important role. I shall not
- hazard a theory of the selection of ideas. But one may at least try to define
- some of the principal factors involved in it. This selection must necessarily
- operate at two levels: that of the mind itself and that of performance.
-
- The performance value of an idea depends upon the change it brings to the
- behavior of the person or the group that adopts it. The human group upon
- which a given idea confers greater cohesiveness, greater ambition, and
- greater self-confidence thereby receives from (the idea) an added power to
- expand which will insure the promotion of the idea itself. Its capacity to
- 'take," the extent to which it can be 'put over' has little to do with the
- amount of objective truth the idea may contain. The important thing about
- the stout armature a religious ideology constitutes for a society is not what
- goes into its structure, but the fact that this structure is accepted, that it
- gains sway. So one cannot well separate such an idea's power to spread from
- its power to perform.
-
- The 'spreading power' -- the infectivity, as it were, -- of ideas is much
- more difficult to analyze. Let us say that it depends upon preexisting
- structures in the mind, among them ideas already implanted by culture, but
- also undoubtedly upon certain innate structure which we are hard put to
- identify. What is very plain, however, is that the ideas having the highest
- invading potential are those that explain man by assigning him his place in
- an immanent destiny, in whose bosom his anxiety dissolves.
-
- Monod refers here to the pool of ideas present in human culture as "the
- abstract kingdom. Douglas R. Hofstadter in his book _Metamagical Themas:
- Questing for the Essence of Mind and Pattern_ (New York: Basic Books,
- 1985; New York: Bantam Books, 1986) suggests the word "ideosphere" instead,
- in closer analogy to "biosphere."
-
- In the last chapter of his book The Selfish Gene, Dawkins further develops
- this notion. He defines a meme as a replicating information pattern that
- uses minds to get itself copies into other minds; it is the basic unit of
- replication and selection in the ideosphere. The word meme is taken from
- the same Greek root as the word memory; a memory is a more-or-less organized
- collection of memes and other things. Memes float about in the soup of human
- culture where they grow, replicate, mutate, compete, or become extinct.
- Dawkins writes:
-
- "Examples of memes are tunes, ideas, catch-phrases, clothes fashions,
- ways of making pots or of building arches. Just as genes propagate
- themselves in the gene pool by leading from body to body via sperm
- or eggs, so memes propagate themselves in the meme pool by leaping
- from brain to brain via a process which, in the broad sense, can be
- called imitation. If a scientist hears, or reads about, a good idea,
- he passes it on to his colleagues and students. He mentions it in his
- articles and his lectures. If the idea catches on, it can be said to
- propagate itself, spreading from brain to brain."
-
- Dawkins then quotes the comments of a colleague, N. K. Humphrey, on a
- draft by Dawkins:
-
- "...memes should be regarded as living structures, not just
- metaphorically but technically. When you plant a fertile meme in
- my mind, you literally parasitize by brain, turning it into a
- vehicle for the meme's propagation in just the way that a virus
- may parasitize the genetic mechanism of a host cell. And this isn't
- just a way of talking -- the meme for, say, 'belief in life after
- death' is actually realized physically, millions of times over, as
- a structure in the nervous systems of individual (people) the world
- over."
-
- It is important to note here that, in contrast to genes, memes are not
- encoded in any universal code within our brains or in human culture. The
- meme for vanishing point perspective in two-dimensional art, for example,
- which first appeared in the sixteenth century, can be encoded and
- transmitted in German, English or Chinese; it can be described in words, or
- in algebraic equations, or in line drawings. Nonetheless, in any of these
- forms, the meme can be transmitted, resulting in a certain recognizable
- element of realism which appears only in art works executed by artists
- infected with this meme.
-
- Jokes are an interesting group of memes. Because the recipient of a joke can
- collect nearly as much reward each time he passes the joke on to yet another
- recipient as he received when first hearing the joke, jokes are very fecund
- memes, and very infective as well.
-
- Given that memes are encoded in many different ways, it is not surprising
- that memes also occur in species other than Homo sapiens. Some species of
- birds learn a neighborhood repertoire of songs, rather than inheriting
- them. Such birds, raised from hatchlings with other species, will sing only
- in the foreign throat. Humpback whales learn songs from one another, and
- chimpanzees pass on the art of fishing termites from their nests with long
- twigs or reeds from generation to generation.
-
- Of course, not all ideas are memes. A passing thought which you never
- mention to anyone else, or an idea which no one else ever takes an
- interest in, is not self-replicating. On the other hand, I first
- encountered the meme about memes four or five years ago, and that meme
- is tonight attempting to infect each of you as well. In a science article
- in ANALOG magazine appearing in August 1987, space activist Keith Henson
- wrote:
-
- "The important part of the "meme about memes" is that memes are
- subject to adaptive evolutionary forces very similar to hose that
- select for genes. That is, their variation is subject to selection
- in the environment provided by human minds, communications channels,
- and the vast collection of cooperating and competing memes that make
- up human culture. The analogy is remarkably close. For example,
- genes in cold viruses that cause sneezes by irritating noses spread
- themselves by this route to new hosts and become more common in the
- gene pool of a cold virus. Memes cause those they have successfully
- infected to spread the meme by both direct methods (proselytizing)
- and indirect methods (writing). Such memes become more common in the
- meme pool."
-
- In the title of this essay, I referred to memetics as a science, albeit one
- in a very early and poorly developed stage. What does it take for a field
- of study to deserve the name "science?" Without getting too rigorous about
- this question, two factors are of major importance here. First, does the
- putative "science" explain a diversity of phenomena by a small number of
- underlying principles or laws or theories? In other words, a science is not
- merely a vast catalog of facts or case histories, although most sciences,
- especially the natural sciences, have gone through a stage of amassing such
- data before any patterns emerged with sufficient clarity to permit the
- formulation of theories which would account for large portions of those data.
- Second, are these laws or theories testable? To be testable, a theory must
- make predictions about phenomena which have not previously been considered in
- devising the theory. If observations match the predictions, then the theory
- stands. If the observations differ from the predictions, then the theory
- must be either modified until it fits both the old data and the new, or
- discarded.
-
- The science of information theory, which has developed during the past half
- century as an outgrowth of the needs of the telecommunications industries;
- the cryptographic needs of military services; and the burgeoning field of
- artificial intelligence research, basically says that, regardless of the
- specific content of information a message may have, and regardless of the
- particular method of encoding that message, certain universal laws apply to
- the copying and transmission of the information. If memetics has any
- substance, then, we should expect that phenomena observed among genes should
- have analogs among memes. Let us consider briefly then a few of the things
- we understand in the biosphere and see if there are analogs in the
- ideosphere. Consider first epidemiology, the study of the transmission of
- pathogens, disease-causing microorganisms.
-
- It is fairly easy to find phenomena in the propagation of memes in the
- ideosphere analogous to the spread of pathogens. While some pathogens can
- infect only by direct contact (such as most sexually transmitted diseases),
- others are usually transmitted by intermediaries, usually called "vectors."
- The Girl Scouts in my earlier example were infected with malaria transmitted
- by mosquitos which had previously bitten the Vietnam veteran while he as in
- the throes of a malarial relapse.
-
- Similarly, some religious memes are very difficult to transmit except by the
- force of personal example at close quarters. Other memes, particularly those
- of a commercial nature, like "Things go better with Coke," are very
- effectively transmitted by the vectors of modern electronic media.
-
- Occasionally, a pathogen may be successfully suppressed in most places, but
- survive in a few tiny pockets or reservoirs until the large environment is
- once more susceptible to infection. Tuberculosis is one such disease;
- reservoirs of the bacillus can survive among the fringes of society or even
- in tiny calcified spots within a particular person, who will show no
- symptoms of the disease until his or her immunological resistance is
- weakened by malnutrition or another disease. Most of the intellectual and
- esthetic memes of classical Greece were "lost" for a millennium, surviving
- only in tiny reservoirs in the monastic communities of Ireland until the
- Renaissance made it possible for these memes to again infect significant
- numbers of people.
-
- A correct understanding of some of the mechanisms involved can be very
- important to survival of human genes. Thus, for example, human cultures
- had little or no success in combatting epidemics of the plague, smallpox,
- or malaria, to name a few, while the dominant meme (which survived for over
- five centuries in Western civilization) of the miasma theory of diseases
- held sway. With the advent of the germ theory (a meme which corresponds
- more closely to reality), quarantine measures, innoculation and immunization,
- and suppression of vectors (like rates, mosquitos, or contaminated water
- supplies) finally enabled human genes to compete more successfully against
- the genes of the germs.
-
- A major problem in the United States today is drug abuse among teenagers
- and young adults. The growth curves for numbers of drug abusers have the
- same shape as the curves for influenza epidemics or for AIDS, and efforts
- up to now in the war against drugs have been about as successful as were
- public health measures based on the miasma theory. The drug-abuse meme,
- since it is particularly prevalent among teenagers and young adults and
- since it increases mortality among these individuals, reduces the survival
- and reproduction of human genes. If we are to make headway in the war on
- drugs, we must understand the characteristics of the drug-abuse meme;
- clearly identify its vectors; and find ways to immunize those populations
- at risk of infection.
-
- Later in this essay I will return to examining some of these
- epidemiological analogies, including issues of susceptibility and resistance
- to infection; possibilities of immunization against particularly nasty
- memes; and some of the strategies used by memes to increase their infectivity.
- Now, however, I would like to discuss the concept of competition among memes.
-
- If memes are only ideas in our heads, and our minds can hold unbelievably
- large quantities of information, why would memes have to compete? Simply
- because the amount of time and attention a human can spend on efforts to
- propagate memes is limited. Most of the external channels used to spread
- memes are also limited resources, whether they be air time on radio or
- television, shelf space in a book store or library, or column inches in a
- magazine or newspaper. Moreover, some memes by their very nature attempt
- to discredit other memes; still other groups of memes are self-reinforcing.
- Thus we should expect that most competitive strategies used by genes in the
- biosphere will also be observed in use by memes as they compete in the
- ideosphere.
-
- How does a new gene initially become sufficiently common, even if it is
- still in the minority among genes competing for a particular niche in the
- gene pool, to survive over many generations? If the gene is dominant
- over its immediate alternatives, then the traits of the survival machine
- which it encodes will promptly be subjected to selective pressures. If the
- new gene has a competitive advantage, it will likely spread steadily through
- its gene pool. If, on the other hand, it is a recessive gene, it can spread
- easily in the early stages, free of selective pressures until enough bodies
- carry the gene that some offspring will inherit the recessive gene from both
- parents, and the new genetic trait is actually expressed in the body of the
- offspring, becoming subject to selective pressures. If the new gene is
- harmful, selection will keep a ceiling on the fraction of the living
- population carrying that gene.
-
- But a seriously harmful gene can become prevalent under certain specialized
- conditions, namely, if a small gene pool (that is, a small population of
- survival machines carrying a group of genes) is isolated from most of the
- competitive forces which would hinder that gene's propagation through the
- gene pool. Then in a modest number of generations the new gene could become
- endemic. If this population carrying the deleterious gene is now brought
- back into contact with the larger population from which it originally
- splintered, the results can be disastrous.
-
- Such as been the case several times in recent history with some extreme
- religious cults. Jim Jones' People's Temple cult was such a case. A basic
- meme for Christianity mixed together with the meme for Marxism ricocheted
- around among a small group of people who deliberately isolated themselves
- >from the general meme pool of American culture. Social and intellectual
- contact with the outside was discouraged; other memes were attacked and
- discredited by the leadership of the cult. Lacking competitive pressures
- >from more standard religious and cultural memes, the People's Temple meme
- evolved into ever more bizarre forms. Fleeing to Guyana, the cult became
- still more ingrown and bizarre, until renewed contact from outside led to
- the collapse both of the meme itself and of the genes carried by 911
- members of the cult and by four outsiders, including Congressman Ryan of
- San Francisco. The Rajneesh cult is another more recent and somewhat less
- extreme example of this pattern.
-
- Lest I give you the impression that all memes are dangerous to the
- genetic survival of humans and other gentlebeings, let me give a few quick
- examples of benign and beneficial memes. Many commercial products are
- tangible embodiments of memes; most of these are benign, since the most
- virulent are quickly eliminated by regulatory agencies or civil lawsuits.
- Hula hoops, pet rocks, and frisbees were memes deliberately designed by
- their inventors to propagate rapidly. Like many genetically engineered
- microbes (such as those used today to produce insulin and other
- pharmaceutical products), these memes are reasonably successful in a
- tailored environment, but do not have great longevity in the "wild." Pet
- rocks were highly successful as long as they were highly advertised and
- promoted, and as long as a large population which had not read the Owner's
- Instruction Manual could be found. After that, the meme lost its vigor.
- Other benign to slightly harmful memes include rumors about media starts,
- superstitions, and chain letters.
-
- Beneficial memes include the taming of fire; the ideas of cultivating food
- plants and of herding animals; the notion of antisepis in medicine and
- surgery; and writing and reading. One important meme in American culture
- (to which we shall return a little later) is the idea of tolerance. During
- the eighteenth and nineteenth centuries, the United States was a country of
- immigration. Immigrants came from every country in Europe as well as from
- parts of Africa, Asia, and South America, all speaking different languages;
- observing different customs of dress, behavior, and diet; practicing different
- religions; and using different styles of non-verbal communication. While
- conflict was at times inevitable among these groups, in a surprisingly short
- time, it became apparent that the notion of live and let live required less
- energy and effort than did the competing meme of forced conversion. Not only
- was this approach more beneficial in terms of personal effort, but it proved
- to be economically productive as well, to accept and adopt individual memes
- >from the meme-complexes of other immigrant groups and combine them with
- elements of one's own ethnic meme-complex. By the end of the nineteenth
- century, tolerance was publicly recognized as an important civic virtue in
- America.
-
- To be sure, the meme of tolerance is still in competition with the memes of
- racial supremacy and jingoism. But a number of memes active in the legal
- system strongly support the meme of tolerance and inhibit its competitors.
- (Note how paradoxical this is: the meme of tolerance accepts help from
- certain intolerant memes!)
-
- Let me turn now to the category of memes or meme-complexes commonly known
- as religious beliefs or creeds. No one knows how the meme of belief in
- God originated; indeed, it probably arose independently many times. Why
- should such a meme arise and flourish in human meme pools? To answer this
- question by saying that God revealed Himself to us in various times and ways
- does not really suffice. Even a believer can see that that is circular
- reasoning: the only out is to recognize that a leap of faith is required to
- accept that God exists. That leap transcends pure reason, but it is not
- incompatible with reason. Just as it is possible and reasonable to accept
- both the meme of biological evolution and the meme of an initial act of
- creation by a Creator who built the laws of mathematics and physics in such
- a way as to make the appearance of life inevitable, so is it possible to
- accept the idea that human brains and minds have evolved structures or
- programs for belief in things unseen and unprovable.
-
- In fact, some evidence that just such a structure exists in our brains comes
- >from split-brain research. Michael Gazzaniga describes one such experiment
- in his book The Social Brain. Because part of each eyeball's visual field
- is connected to the brain hemisphere on the same side as the eyeball, and
- part is connected to the opposite hemisphere, it is possible to direct
- visual images exclusively to one or the other hemisphere of the brain. Some
- brain lesions destroy the neurological connections between the two
- hemispheres, so the two halves of the brain act essentially independently.
- Since the speech center is located almost exclusively in the left hemisphere,
- such a patient can report verbally on activities in the left hemisphere, but
- not in the right side. Gazzaniga presented each side of the brain in some of
- his patients with a simple conceptual problem. Special viewing equipment
- projected a picture of a claw to the left side and a snow scene to the right
- side. A variety of cards were then placed in front of the subject who was
- asked verbally (via the ears, which feed each hemisphere directly) to point
- with each hand at a card matching what he had seen. The correct response for
- the claw was a picture of a chicken; for the snow scene, a shovel. Gazzaniga
- writes:
-
- "After the two pictures are flashed to each half-brain, the subjects
- are required to point to the answers. A typical response is that of
- P.S., who pointed to the chicken with his right hand and the shovel
- with his left. After his response, I asked him, 'Paul, why did
- you do that?' Paul looked up and without a moment's hesitation said
- from his left hemisphere, 'Oh, that's easy. The chicken claw goes
- with the chicken and you need a shovel to clean out the chicken shed.'"
-
- Here was the left half-brain having to explain why the left hand was pointing
- to the shovel when the only picture (the left half-brain) saw was a claw.
- The left half-brain is not privy to what the right half-brain saw because of
- the brain's disconnection. Yet the patient's body was doing something. Why
- was the left hand pointing to the shovel? The left-brain's cognitive system
- needed a theory and instantly supplied one that made sense given the
- information it had on this particular task...
-
- This mechanism in the brain, which appears to overlap the speech center, may
- be called an "inference engine:" given limited information, it leaps to some
- sort of initially plausible explanation for phenomena the brain must handle.
- Such a mechanism has obvious survival value if it can suggest that the
- rustling in the bushes behind you might be a large predator.
-
- On the other hand, as Gazzaniga's example shows, the inference engine will
- wring blood from a stone: you can count on it to manufacture causal
- relations whether or not they exist. Nor does it seem to be able to tell
- when it doesn't have enough data. Given an increasingly complex world, the
- inference engine is more and more likely to generate stuff having the quality
- of National Enquirer headlines. Memes originating in this way can be weeded
- out by exercise of a fairly modern meme complex, the meme complex forming the
- foundation of modern science, a healthy degree of skepticism. "What's the
- evidence?" this meme complex asks. Actually, we should call this a metameme,
- since it is a meme about memes.
-
- Thus the human mind has a need for explanations or theories about its
- perceived reality. Given the complexity of mind which has extensive and
- detailed memory and vivid imagination, the ability to conceive of times past
- and future as well as present, and to foresee the death of the self,
- explanations are called for. Given the existence of evil and death, the
- inference engine seeks meaning. Religious meme complexes (frequently
- including such memes as belief in God, belief in an after-life and an
- immortal soul, belief in rewards or punishments in the here-after) satisfy
- the need for explanations or theories about these cosmic issues, which may
- be sufficient explanation for the prevalence and persistence of these memes
- in human culture.
-
- Related meme complexes are those of political belief systems. To some
- extent, these overlap some or all of the meme-space occupied by religious
- meme complexes insofar as they, too, attempt to explain good and evil
- within human affairs and give meaning and purpose to activities in the human
- sphere. For people who have little power or influence, political theories
- can explain why they are so unfortunate.
-
- Let me return now to some issues I mentioned in passing. Can we predict
- what sorts of brains will be more or less susceptible to infection by a
- particular meme" Can we immunize people against infection by more
- pernicious memes? Can particular memes be modified to make them more
- infective? A few observations suggest some lines of inquiry and
- investigation. Although the gene itself was unknown until Gregor Mendel's
- experiments on sweet peas near the end of the last century, farmers and
- animal breeders had a practical, intuitive grasp of genetics and evolution
- by selection thousands of years ago. Similarly, advertising agencies and
- political propagandists have been putting analogous concepts into practice
- for a long time, despite lack of the meme metameme.
-
- Infection by the memes of television advertising is more likely among
- inexperienced, uneducated, or unsophisticated individuals. Children are more
- likely to catch these infections than adults; highly educated individuals who
- have previously been infected to some degree by the skepticism meme are much
- more resistant. A strongly developed sense of humor also appears to confer a
- high degree of resistance, perhaps because humor and skepticism are related
- by way of irony.
-
- What about religious or political memes? Note first that most religious
- meme complexes are mutually exclusive: one cannot simultaneously adhere to
- Greek Orthodoxy and to polytheistic Hinduism, albeit hybridization between
- several seemingly incompatible religions is possible. (On the other hand,
- it is possible to subscribe to several of the Asian religions simultaneously:
- it is possible to be a Buddhist, Taoist, and Confucianist at once, for
- example.) Political meme complexes, as I mentioned before, seem to occupy
- similar locations in our mental landscapes. Patty Hearst, who had been
- exposed only superficially to either Christianity or to the American civic
- religion, had a near-vacuum in that space. So we should not be surprised
- that intense personal exposure to the far-fringe political belief system
- of the Symbionese Liberation Army successfully infected her with a rather
- bizarre meme complex, one which had very little genetic survivability, since
- most of that group died in a firefight and conflagration in Los Angeles
- about a year after she was initially kidnapped.
-
- During the Korean War, American prisoners of war in North Korean prison
- camps were subjected to intense brainwashing procedures. Many prisoners
- cracked; others did not. The only consistent difference between those
- who did and those who did not succumb was the degree to which they had been
- infected with the traditional religious beliefs and/or traditional American
- values, i.e., belief in the American civic religion. An important exception
- was POW's who were "True Believers" in Eric Hoffer's sense. Most of the
- POW's who actually defected to North Korea had such a personality. It is
- interesting to note, however, that the True Believer personality usually has
- a poorly developed sense of humor.
-
- In the present century, two major meme complexes in the political sphere
- are in active competition. Make no mistake: the conflict between the West
- and the Sino-Soviet bloc is not over physical resources such as land
- or petroleum; neither is it about weapons systems or trade items. It is a
- battle between competing memes for survival and replication in the minds of
- human beings. At the cores of the respective meme complexed lie Western
- democracy and Marxist-Leninism, respectively, and it is these memes which I
- wish to discuss now.
-
- The Marxist-Leninist meme complex has to date been highly successful when
- viewed from the perspective of memetics rather than economics, I have already
- referred to the role of Lenin and a handful of his companions who arrived at
- the Finland Station in St. Petersburg in April 1917 and successfully captured
- control of the government within eight months. It is worth looking at some
- of the competitive strategies the Marxist-Leninist meme (MLM for short) has
- used to achieve this success.
-
- Many of these techniques are directly analogous to techniques in the
- biosphere. Like the common cold virus and the AIDS virus, the MLM frequently
- changes its outer appearance to prevent immunological systems from immediately
- recognizing it and combatting it. Fidel Castro and Daniel Ortega, for
- example, pretended to be patriotic liberators; once in power, they shed their
- sheep's clothing to pursue the original purposes of the MLM. Like the
- penicillin bacterium, the MLM emits toxins that impede the replication of
- competing memes: secret police or Red Guards harass, imprison, or kill
- carriers of competing memes: secret police or Red Guards harass, imprison,
- or kill carriers of competing memes. Like the AIDS virus, the MLM improves
- its chances of success by weakening the immunological systems of its targets
- by an extensive disinformation and propaganda machine. (In the Winter 1989
- issue of GLOBAL AFFAIRS, John Lenczowski, _The Soviet Union and the United
- States: Myths, Realities, Maxims_ makes a strong case that the current era
- of glasnost and perestroika is one more cycle of deliberate strategic
- deception.)
-
- Like retroviruses which coopt the genes of their hosts to make copies of
- the retroviruses themselves instead of whatever proteins those genes were
- intended to manufacture, the MLM seizes control of the machinery for
- transmission and replication of memes: radio, television, and the press are
- totally coopted, and other channels (such as mimeograph machines and
- telephones) are restricted or closely monitored. Lenin was so successful in
- such a short time because the German Foreign Ministry secretly funded his
- propaganda campaign to the tune of some 50 million gold marks or more,
- equivalent to a few hundred million dollars today. (See Michael Pearson,
- _The Sealed Train: Lenin's Eight-Month Journey from Exile to Power_,
- New York: G. P. Putnam & Sons, 1975.)
-
- In order to lodge itself more firmly in the mental space occupied by
- religious meme complexes, not only does the MLM actively suppress standard
- religions, but it takes on some of the trappings of such religions, endowing
- the Party leaders with godlike attributes and offering a Marxist-Leninist
- vision of the future colored by a Heaven-like mystical aura.
-
- Let me turn now to the meme complex of the West. Democratic institutions,
- some variation of capitalism, and significant personal liberty are the
- traditional values attributed to the West, but one other piece of the complex
- is especially important in this discussion, namely, the meme of tolerance.
-
- The meme of tolerance evolved in America under conditions of partial
- isolation: relatively small doses of outside memes kept coming in, and
- could be absorbed and assimilated into a larger, fairly stable, meme pool.
- But the American meme pool was not being tested overseas against other large
- and fairly stable meme pools. Thus the tolerance meme was not exposed to
- competitive pressures in the global ideosphere until the middle of this
- century; it is not clear whether or not it is a "dominant" or a "recessive"
- meme; and it is not clear what its effect on the competitive survivability of
- the meme complex of American culture will be in this larger arena.
-
- Note that in its nineteenth century form, the meme of tolerance did not
- assert that all meme complexes were created equal. To allow other memes to
- compete freely in the American ideosphere was all the tolerance meme stood
- for; it did not in any way inhibit the meme that the American political
- system was preferable to any other. In recent decades, a mutated version of
- the tolerance meme seems to have become more prevalent in the United States.
- In this form, the meme asserts that cultural and political meme complexes are
- of equal worth; in particular, the Soviet MLM complex and the Western
- democracy meme complex are held to be "morally equivalent." Judged by the
- values of the American cultural meme complex, however, a meme complex such
- as the MLM in which intolerance is inextricably embedded is clearly NOT of
- equal worth.
-
- It would seem at the very least that the mutated version of the American
- tolerance meme weakens the immunological capacity of American culture to
- resist the MLM. It is even possible that the political-cultural meme
- complex of the Western democracies contains the seeds of its own destruction,
- not in the sense in which Marx, Engels, and Lenin predicted, but in the sense
- of memetics.
-
- Can anything be done to immunize our populations against infection by the
- MLM? Simple anti-Communist hysteria is inadequate and, given the tolerance
- meme (either in its conventional or mutated forms), is even counterproductive.
- Greater education in the metameme of skepticism would certainly help. Renewed
- emphasis in the schools on the benefits of traditional American values would
- be expected to help, as would cultivation of adherence to traditional,
- mainline religions. (How the latter can be achieved with the framework of
- the American cultural system is difficult to see.)
-
- The outcome of this competition between the meme complexes of the East and
- the West is of vital concern for the next few generations of the survival
- machines in which human genes are carried.
-
- Is there any substance to memetics? Can it be placed on a sound scientific
- footing, able to make predictions? If so, applied memetics raises important
- ethical questions within the framework of the Western meme complex, as the
- dangers of deliberate manipulation of the general meme pool for personal
- power would be very real. Moreover, adherents of the Soviet MLM would
- have no hesitation about using such a science to further the spread of the
- MLM at the expense of the Western democratic meme.
-
- Memetics is still at a very primitive stage. Like biology in the eighteenth
- century, the emphasis is necessarily on gathering reams of data and forming
- very tentative hypotheses. The formulation of universal principles may yet
- be years away. Indeed, it is possible that the entire concept may be
- intellectually and scientifically bankrupt. But in the meanwhile, it
- nonetheless provides an interesting framework for looking at social and
- political movements. Join the fun!
-
- ========================================================
-
-
- Brin, David, "The Dogma of Otherness," Analog Science
- Fiction/Science Fact, April 1986.
-
- Dawkins, Richard, The Selfish Gene. New York: Oxford
- University Press, 1976.
-
- Gazzaniga, Michael, The Social Brain.
-
- Hofstadter, Douglas R., Metamagical Themas: Questing
- for the Essence of Mind and Pattern. New York: Basic
- Books, 1985; New York: Bantam Books, 1986. Chapter 3,
- "On Viral Sentences and Self-Replicating Structures."
-
- Henson, Keith, "Memetics: The Science of Information
- Viruses," Analog Science Fiction/Science Fact, August
- 1987; reprinted in Whole Earth Review, Winter 1987.
-
- Minsky, Marvin, The Society of Mind. New York: Simon
- and Schuster, 1985, 1986.
-
- Monod, Jacques, Chance and Necessity: An essay on the
- natural philosophy of modern biology. Translated by
- Austryn Wainhouse. New York: Vintage Books, i971.
-
- Pearson, Michael, The Sealed Train: Lenin's Eight Month
- Journey From Exile to Power. New York: G. P. Putnam's
- Sons, 1975.
-
-
-
-