About memes

A meme (pronounced /ˈmiːm/, rhyming with "cream") is a postulated unit of cultural ideas, symbols or practices, which can be transmitted from one mind to another through writing, speech, gestures, rituals or other imitable phenomena. (The etymology of the term relates to the Greek word μιμητισμός ([mɪmetɪsmos]) for "something imitated".) Supporters of the concept regard memes as cultural analogues to genes, in that they self-replicate and respond to selective pressures.

The British scientist Richard Dawkins coined the word "meme" in The Selfish Gene (1976) as a concept for discussion of evolutionary principles in explaining the spread of ideas and cultural phenomena. Examples of memes given in the book included melodies, catch-phrases, beliefs (notably religious beliefs), clothing fashion, and the technology of building arches.

Meme-theorists contend that memes evolve by natural selection (in a manner analogous to that of biological evolution) through the processes of variation, mutation, competition, and inheritance influencing an individual meme's reproductive success. Memes spread through the behaviors that they generate in their hosts. Memes that propagate less prolifically may become extinct, while others may survive, spread, and (for better or for worse) mutate. Theorists point out that memes which replicate the most effectively spread best, and some memes may replicate effectively even when they prove detrimental to the welfare of their hosts.

A field of study called memetics arose in the 1990s to explore the concepts and transmission of memes in terms of an evolutionary model. Criticism from a variety of fronts has challenged the notion that scholarship can examine memes empirically. Some commentators question the idea that one can meaningfully categorize culture in terms of discrete units.

Origins

Historically, the notion of a unit of social evolution, and a similar term (from Greek mneme, “memory”), first appeared in 1904 in a work by the German Lamarckist biologist Richard Semon titled Die Mnemischen Empfindungen in ihren Beziehungen zu den Originalempfindungen (loosely translatable as “Memory-feelings in relation to original feelings”). According to the OED, the word mneme appears in English in 1921 in L. Simon's translation of Semon's book: The Mneme.

Laurent noted the use of the term mneme in Maurice Maeterlinck's The Life of the White Ant (1926), and has highlighted similarities to Dawkins' concept.

The word meme originated with Dawkins' 1976 book The Selfish Gene. To emphasize commonality with genes, Dawkins coined the term "meme" by shortening "mimeme", which derives from the Greek word mimema ("something imitated").

Dawkins states that he did not know of the "mneme"[citation needed], and said that he wanted "a monosyllable that sounds a bit like 'gene'". Dawkins wrote that evolution depended not on the particular chemical basis of genetics, but only on the existence of a self-replicating unit of transmission – in the case of biological evolution, the gene. For Dawkins, the meme exemplified another self-replicating unit with potential significance in explaining human behavior and cultural evolution.

Concept

Dawkins used the term to refer to any cultural entity that an observer might consider a replicator. He hypothesised that one could view many cultural entities as replicators, and pointed to melodies, fashions and learned skills as examples. Memes generally replicate through exposure to humans, who have evolved as efficient copiers of information and behaviour. Because humans do not always copy memes perfectly, and because they may refine, combine or otherwise modify them with other memes to create new memes, they can change over time. Dawkins likened the process by which memes survive and change through the evolution of culture to the natural selection of genes in biological evolution.

Dawkins defined the meme as a unit of cultural transmission, or a unit of imitation, but later definitions would vary. The lack of a consistent, rigorous, and precise understanding of what typically makes up one unit of cultural transmission remains a problem in debates about memetics.[12] In contrast, the concept of genetics gained concrete evidence with the discovery of the biological functions of DNA. In the context of the exact sciences, memetics suffers in comparison because, unlike the idea of genes, memes do not necessarily have or need a concrete medium in order to transfer.

Transmission

Life-forms can transmit information both vertically (from parent to child, via replication of genes) and horizontally (through viruses and other means). Memes can replicate vertically or horizontally within a single biological generation. They may also lie dormant for long periods of time. Memes spread by the behaviors that they generate in their hosts. Imitation counts as an important characteristic in the propagation of memes. Imitation often involves the copying of an observed behaviour of another individual, but memes may transmit from one individual to another through a copy recorded in an inanimate source, such as a book or a musical score. Researchers have observed memetic copying in just a few species on Earth, including hominids, dolphins and birds (which learn how to sing by imitating their parents or neighbors).

Some commentators have likened the transmission of memes to the spread of contagions. Social contagions such as fads, hysterias and copycat suicides exemplify memes seen as the contagious imitation of ideas. Observers distinguish the contagious imitation of memes from instinctively contagious phenomena such as yawning and laughing, which they consider innate (rather than socially learned) behaviors.

Aaron Lynch described seven general patterns of meme transmission, or "thought contagion":

Quantity of parenthood: an idea which influences the number of children one has. Children respond particularly receptively to the ideas of their parents, and thus ideas which directly or indirectly encourage a higher birthrate will replicate themselves at a higher rate than those that discourage higher birthrates.

Efficiency of parenthood: an idea which increases the proportion of children who will adopt ideas of their parents. Cultural separatism exemplifies one practice in which one can expect a higher rate of meme-replication — because the meme for separation creates a barrier from exposure to competing ideas.

Proselytic: ideas generally passed to others beyond one's own children. Ideas that encourage the proselytism of a meme, as seen in many religious or political movements, can replicate memes horizontally through a given generation, spreading more rapidly than parent-to-child meme-transmissions do.

Preservational: ideas which influence those that hold them to continue to hold them for a long time. Ideas which encourage longevity in their hosts, or leave their hosts particularly resistant to abandoning or replacing these ideas, enhance the preservability of memes and afford protection from the competition or proselytism of other memes.

Adversative: ideas which influence those that hold them to attack or sabotage competing ideas and/or those that hold them. Adversative replication can give an advantage in meme transmission when the meme itself encourages aggression against other memes.

Cognitive: ideas perceived as cogent by most in the population who encounter them. Cognitively transmitted memes depend heavily on a cluster of other ideas and cognitive traits already widely held in the population, and thus usually spread more passively than other forms of meme transmission. Memes spread in cognitive transmission do not count as self-replicating.

Motivational: ideas that people adopt because they perceive some self-interest in adopting them. Strictly speaking, motivationally transmitted memes do not self-propagate, but this mode of transmission often occurs in association with memes self-replicated in the efficiency parental, proselytic and preservational modes.