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The Socio Cultural Evolution Of Our Species Copia
- 1. science & society
science & society
The socio-cultural evolution of our species
The history and possible future of human societies and civilizations
Jürgen Klüver
M
any biologists and social scientists result of evolutionary processes (Klüver, legislative, judicative and executive arms of
have noted that with the develop 2000). nevertheless, sociocultural evolu government in modern democracies is such
ment of human culture, the biologi tion did not end biological evolution; in fact, a rule, as is the rule to drive on the right
cal evolution of Homo sapiens was usurped for most of the time that Homo sapiens has hand side of the road in most countries. in
by sociocultural evolution. the construc existed, sociocultural evolution has been mathematical terms, we can then define
tion of artificial environments and social so slow that it could not have affected bio a society (S ) using the equation S = (St, C),
structures created new criteria for selec logical evolution. Here, i attempt to explain where C refers to culture and St refers to
tion, and biological fitness was replaced by why modern humans existed long before social structure.
‘cultural fitness’, which is often different for sociocultural evolution really began.
different cultures and is generally not meas What does sociocultural evolution mean?
In essence, socio-cultural
ured by the number of offspring. Moreover, there have been many attempts to define this
the mechanism of sociocultural evolution ambiguous concept (trigger, 1998), which
evolution is ‘Lamarckian’ in nature
is different from the model of biological have interpreted the term ‘evolution’ in a lit […] because humans are able to
evolution that was proposed by charles eral sense and assumed that sociocultural pass on cultural achievements
Darwin (1809–1882), and refined by many evolution is determined by the same mecha to the next generation
others. in essence, sociocultural evolution nisms as its biological counterpart. it is true
is ‘lamarckian’ in nature—it is an exam that the evolution of human societies and cul
ple of acquired inheritance, as described tures shares some similarities with biological culture and social structure are, of
by the French naturalist JeanBaptiste lamarck evolution, but in many respects these two are course, abstracts that cannot be quantified
(1744–1829)—because humans are able not the same. therefore, at the outset, it is nec and must instead be translated into empiri
to pass on cultural achievements to the essary to give a precise definition of evolution cal categories—namely, observable actions
next generation. in the field of human societies (Klüver, 2002). by, and interactions of, social actors. in a
yet, the idea that cultural fitness has metatheoretical sense, this transforms the
S
replaced biological fitness does not fully ociocultural evolution, as the name concepts of culture and social structure into
take into account the thousands of years of implies, has two dimensions: social an action theory because only individual
human biological evolution that occurred and cultural. Some of the great social actors can be the units of an empirical social
long before sociocultural evolution, in theorists of the last century defined ‘culture’ science. the main concepts here are social
its strictest sense, took its course. Modern in terms of the generally accepted know roles and their occupants.
Homo sapiens first appeared about 200,000 ledge of a certain society or social group consider, for example, the social role of
years ago; however, sociocultural evolu (Habermas, 1981; giddens, 1984). under a medical doctor. a doctor is characterized
tion only began about 10,000 years ago, this definition, ‘knowledge’ is not limited to by his or her knowledge of disease diag
when early hunter–gatherer societies began natural and social phenomena, but includes, nosis, how to choose appropriate thera
to change their simple forms of segmentary for example, religion, worldviews and pies and how to tell the patient to follow
social differentiation during the socalled moral values. Similarly, ‘accepted’ does not the therapy. However, the role of the doc
neolithic revolution, which was mainly imply that such knowledge is true accord tor is also defined by specific rules—the
caused by the invention of agriculture and ing to scientific standards—for example, Hippocratic oath, for example—and by
cattle breeding. in mathematical terms, one the Judaeochristian belief that god cre specific laws about how to treat patients,
could say that human biological evolution ated the world—but only that it is accepted or how to adhere to health insurance or
created an attractor: a stable state impervious within one culture as ‘true’. the definition of national regulations. Similarly, the role of
to change. Various mathematical models ‘social’ naturally refers to social structures. a university professor is defined by specific
of biological evolution, namely the genetic ‘Social’ can be defined as the set of rules scientific knowledge and specific rules of
algorithm (Holland, 1975), show that the that govern all social interactions in a cer interaction with respect to, for example,
generation of such an attractor is the usual tain society. the separation of power into teaching, publishing and dealing with
©2008 EuropEan MolEcular Biology organization EMBo reports Vol 9 | SpEcial iSSuE | 2008 S 5 5
- 2. science & society sp e cial issue
university administration. We can therefore entrepreneurs, for example—are defined by freedom than those in rival societies (Klüver,
define a social role (r) as r = (k, ru), where ‘creative tasks’, which expand the culture 2002; needham, 1970). in particular, the
k is the rolespecific knowledge and ru of society. cultural evolution is therefore large trading cities of the Hanse, the Flemish
represents the rolespecific rules of social only possible if the occupants of creative cities and the cities of northern italy were
interaction (Berger & luckmann, 1966). roles enjoy a certain degree of freedom. centres of cultural growth with a certain
an individual in a society is a social on the other hand, there are roles—those political autonomy. this environment gave
actor when he or she occupies a specific of priests, politicians or teachers, for exam the occupants of creative social roles the
social role, which is not necessarily a pro ple—that serve to maintain social tradi benefit of greater freedom from the feudal
fessional role. there are other social roles tions, culture and social structures. We can political powers and the catholic church.
such as being a parent or being a member call these ‘maintenance roles’ in contrast to this political and social structure had no
of a political party, and it is relatively easy the ‘creative roles’. these are essential for parallels in the other great cultures.
to define the social rules and rolespecific the integration of a society because tradi
o
knowledge of these positions. therefore, we tional norms and values allow a society to n the basis of this hypothesis, our
can define a society as a web of social roles, maintain its societal identity. research group constructed math
the occupants of which interact according the crucial factor for the evolutionary ematical models of sociocultural
to the rules and to the knowledge that define potential of a society, then, is the relation evolution, the socalled sociocultural
these roles. a society is then produced ship between creative roles and mainte algorithm (Sca) and the expanded socio
and reproduced through the rolespecific nance roles. if the maintenance roles have cultural cognitive algorithm (Scca). these
interactions of the role occupants. in many a strong influence on the creative roles, are multiagent systems that consist of arti
cases, the social structure and culture of a the occupants of creative roles cannot ful ficial actors. Each actor is represented by a
society merely reproduce—that is, they do fil their creativity and the development of combination of different neural nets, and
not change notably. yet, sometimes roles culture stagnates; a society gets caught in a the social relations between the actors are
and interactions change markedly, and the cultural evolutionary attractor. the relation modelled by a cellular automaton and a
social structure and culture change accord ship between these two classes of roles is Boolean net (Klüver, 2002; Klüver et al,
ingly. Such times are called periods of the decisive parameter for the evolution 2003). Each actor is able to occupy a certain
reform or—in the extreme—revolutions. ary power of a society, which can be called social role, can learn from others and can
an evolutionary parameter (Ep) and deter generate new ideas—of course, in an ideal
mines the evolutionary fate of a society. ized and simplified manner. the sum of all
…for most of the time that the ultimately unsuccessful attempts of the the ideas that these actors generate is the
Homo sapiens has existed, catholic church to silence proponents of level of the respective culture. according
socio-cultural evolution has been the heliocentric model of the planetary sys to the general evolutionary hypothesis,
so slow that it could not have tem—most notably giordano Bruno (1548– the actors, if they occupy a creative role,
affected biological evolution 1600) and galileo galilei (1564–1642)—is develop new ideas in proportion to the
an example of an unfavourable Ep. a society influence of the occupants of maintenance
must have a certain degree of heterogeneity roles. We ran the models with different
now that we have defined what we with respect to the existence of different Ep values and different numbers of actors
mean by a society—based on culture and roles and the social ‘distance’ between the ranging from 100 to more than 1,000,000.
social structure—we can define socio two kinds of roles. if a society is too homo one important result was that the number
cultural evolution as the creation and geneous, sociocultural evolution will stop of actors had no significant impact on the
change of social roles through new know sooner or later. results—the evolutionary logic operated in
ledge that changes and creates social rules. looking at historical examples can vali small or large artificial societies.
Sociocultural evolution, then, alters and date this general hypothesis about the logic
enlarges a society in the two dimensions of sociocultural evolution. Starting in the
of social structure and culture. the driving fourteenth century, the European nations
Social roles in a societal system
force is new ideas in the cultural dimen entered a period characterized by reforms, therefore “become the equivalent
sion and the ensuing changes to the social revolutions and scientific progress—known of genes in a genetic system”...
structure that create new social rules of respectively as the renaissance, the
interaction. Social roles in a societal sys reformation and the Enlightenment—and
tem therefore “become the equivalent of eventually evolved into modern Western one typical result that we observed was
genes in a genetic system” (read, 2005); societies. the technological and social a socalled toynbee development, named
however, this is only a formal equivalence, competitors of Europe during the Middle after the British historian arnold toynbee
as the evolutionary mechanisms in these ages—notably feudal china and the islamic (1889–1975) who showed that this is the fate
cases operate differently. societies—did not change in the same way of all known cultures (toynbee, 1934–39;
because they did not have the Ep values of Fig 1). this artificial culture grows quickly but
W
hen we speak of social roles, European societies, despite the fact that eventually slows down and stagnates. Most
we must make an important they were culturally and scientifically more Ep values led to this development in our
distinction. on the one hand, advanced than feudal Europe. the main rea simulations, which shows, at least in part,
some social roles—those of artisans, crafts son for this was that the occupants of creative the significance of Ep values and provides an
people, artists, technicians, scientists or roles in Europe enjoyed a larger degree of explanation for the historical processes.
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- 3. sp e c i a l i s su e science & society
only a few evolutionarily favourable Ep
values were able to generate a different image
(Fig 2). in these cases, the artificial culture did
not stop, but was able to continue to advance
0.25
Deviation from requirements (sys)
its cultural growth for as long as it existed. 2,000
this might be the fate of Western culture, as
Total knowledge (ptot)
its growth, particularly in science and tech ptot 0.20
sys
nology, shows no detectable limits at present. 1,500
again, the reason for this is the decisive role 0.15
of the Ep and the relatively large degree of
1,000
freedom that the occupants of creative roles 0.10
enjoy in the West. in addition, we assume
that the Ep values themselves changed dur 500
0.05
ing European cultural development because
the current values are even more favour
0 0.00
able than those during the Medieval ages.
in other words, the Ep values start a process
0 500 1,000 1,500 2,000
of sociocultural evolution and are them Time steps
selves changed by this process—an evolution
of evolution. Fig 1 | A Toynbee development.
t
he general hypothesis about socio
cultural evolution, the historical data
and our simulations can apparently
explain human history as an evolutionary 5,000
0.8
process. in particular, they can explain the
Deviation from requirements (sys)
special path of European and, subsequently, 4,000
Total knowledge (ptot)
Western culture. they might also answer the
0.6
question raised at the beginning of this article:
3,000
why did it take such a long time before socio
cultural evolution started at the beginning of
0.4
the neolithic revolution? 2,000
Early hunter–gatherer societies, or seg
mentary differentiated tribal societies as they 1,000
0.2
are called in sociology, are homogeneous.
ptot
there is little differentiation of social roles, 0 sys
which are mostly based on gender and age.
0.00
the creative potential of these early humans 0 500 1,000 1,500 2,000
could not unfold; small degrees of labour Time steps
division did not allow for special roles and
a common worldview of animistic religions Fig 2 | A Western development.
further hindered individual thinking. it took
a long time for these societies to become
sufficiently heterogeneous to generate the
creative achievements of the neolithic processes to generate a sufficiently hetero of mankind. Will the process of globalization
revolution, which, in turn, changed the geneous society that could move to the next lead to a world culture that is characterized
social structure of societies. the segmen step in the evolutionary process. in other by the Western way? in theoretical sociol
tary differentiated societies became strati words, the neolithic revolution could only ogy, we call this the hypothesis of univer
fied into social hierarchies and allowed a take place when some societies were suf sal modernization, which implies that only
significant division of labour. yet it took a ficiently differentiated to allow for individ Western societies are truly modern ones
long time to achieve this stage of socio ual creative processes. Moreover, it can be and that the process of modernization will
cultural evolution—and many tribal societies assumed that the initial Ep values of the tribal change all societies until they become mod
did not reach it at all—because only small societies did not significantly change with the ern in the Western sense, albeit with local
processes of differentiation took place and slow growth of human culture. variants. this classical hypothesis dates back
creative individuals could only slowly create to the Enlightenment, and was formulated in
t
new ideas in their respective society. the long he decisive question is, of course, its most influential form by the social theo
period of time between the biological emer whether this model of sociocultural rists Karl Marx (1818–1883) and Max Weber
gence of Homo sapiens and the neolithic evolution can help us to make some (1864–1920). of course, the universal mod
revolution was necessary to allow these slow educated guesses about the possible future ernization hypothesis was, and still is, much
©2008 EuropEan MolEcular Biology organization EMBo reports Vol 9 | SpEcial iSSuE | 2008 S 5 7
- 4. science & society sp e cial issue
discussed and criticized, in particular for that are now visible in developing coun in any case, the future of our species
being Eurocentric. one of the most famous tries were seen previously in Europe and depends on more factors than can be cov
critiques was made by the american politi north america as they progressed towards ered in this article. yet, the social future of
cal scientist Samuel Huntington in his best modern Western culture. mankind is probably a global society based
seller The Clash of Civilizations (Huntington, on the traditions of Western societies with
a
1996). although i cannot discuss this and lthough there are certainly other local adaptations. neither china nor india
other criticisms of the modernization hypo factors at work, this selection will become a mirror of the uSa, but simi
thesis for reasons of space, i can provide shows that many countries that larly neither germany nor France is such
empirical data to validate the hypothesis, are on their way to modernization follow a mirror. in the end, i believe, Marx and
and make a methodical proposal based on the path of Western societies. Even politi Weber will be proved right.
the model of sociocultural evolution and cally regressive processes, for example the
the Scca program. rise of islamic theocracies, are expected— rEFErEncES
Berger p, luckmann t (1966) The Social Construction
indeed, European countries experienced of Reality. new york, ny, uSa: Doubleday
regressive fascist movements or periods of giddens a (1984) The Constitution of Society.
…the social future of mankind
stagnation. Modernization as a form of socio Outlines of the Theory of Structuration.
is probably a global society based cultural evolution is not a linear process. as cambridge, uK: polity press
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and genderbased criteria that are indica support for this theory. the theoretical founda Systems. New Foundations of a Mathematical
tors of modern development. if we apply tion of the model is the assumption that socio Sociology. Dordrecht, the netherlands: Kluwer
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these criteria to the developmental proc cultural evolution depends on an increasing Evolution. Theoretical Principles and Mathematical
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(oesterdiekhoff, 2003). the economical explain the fact that the process of moderni Sociocultural evolution and cognitive
ontogenesis. a sociocultural cognitive algorithm.
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trend that has been observed in Western tries indicate that there is a growing trend
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countries since the nineteenth century. in favour of role autonomy—again referring Perspectives on the Past. oxford, uK: Blackwell
the mean marriage age of women is ris to gender roles and the rise of higher educa
ing, which is certainly one cause of the tion. overall, women are becoming more
decline in the birth rate and an impor autonomous, and education is emancipating
tant indicator of an increasing degree of itself from religious and political influences
female autonomy. the average number in developing countries. again, women’s
of democratic or semidemocratic socie rights and the introduction of universal
ties is increasing—in which ‘democratic’ education marked important points in the
means adopting the Western model of a history and development of Western coun
parliamentary democracy. the levels of tries. Such data can then be inserted into
literacy and the number of participants in simulations, such as our Sca or Scca, to
higher education are increasing in most predict roughly the probable development
Jürgen Klüver is Professor of Information
countries, and many rapidly developing of these countries. clearly, even such micro
Technologies and Educational Processes
countries are investing massively in science sociologically based simulation programs at the University of Duisburg-Essen, Germany.
and technology—not only large nations can only give predictions about probable E-mail: juergen.kluever@uni-due.de
such as china and india, but also various developments, but this is still better than a
South american countries. all of the trends ‘best guess’ or wishful thinking. doi:10.1038/embor.2008.35
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