Sean Roberts

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  • January 3, 2012
  • 07:09 AM
  • 85 views

Social structure and language evolution: resolving the synthetic/analytic debate

by Sean Roberts in A Replicated Typo 2.0

How does social structure affect the way we think about the evolution of language?... Read more »

Kirby, S., Dowman, M., & Griffiths, T. (2007) Innateness and culture in the evolution of language. Proceedings of the National Academy of Sciences, 104(12), 5241-5245. DOI: 10.1073/pnas.0608222104  

Scott-Phillips, T., & Kirby, S. (2010) Language evolution in the laboratory. Trends in Cognitive Sciences, 14(9), 411-417. DOI: 10.1016/j.tics.2010.06.006  

Sorace, Antonella. (2011) Pinning down the concept of "interface" in bilingualism. Linguistic Approaches to Bilingualism, 1(33). info:/

  • December 14, 2011
  • 07:48 AM
  • 468 views

The power of diversity: New Scientist recognises the growing work on social structure and linguistic structure

by Sean Roberts in A Replicated Typo 2.0

A feature article in last week’s New Scientist asks why there is so much linguistic diversity present in the world, and what are the forces that drive it. The article reads like a who’s who of the growing field of language structure and social structure. This is practically as close as my subject will come to having a pull-out section in Vanity Fair. Furthermore, it recognises the weakening grip of Chomskyan linguistics.... Read more »

David Robson. (2011) Power of Babel: Why one language isn't enough . New Scientist. info:/

  • November 30, 2011
  • 09:06 AM
  • 197 views

Spurious correlation bonanza to mark Replicated Typo 2.0 reaching 100,000 hits

by Sean Roberts in A Replicated Typo 2.0

As we’ve shown on this blog, culturally transmitted features can be highly correlated with each other. This fact is a source of both frustration and fascination, so I’ve roped together some of my favourite investigations of cultural correlations into a correlation super-chain. Let Replicated Typo take you on trip from acacia trees to traffic accidents…... Read more »

  • October 5, 2011
  • 12:18 PM
  • 238 views

Cultural differences in lateral transmission: Phylogenetic trees are OK for Linguistics but not biology

by Sean Roberts in The Adventures of Auck

An article in PLos ONE debunks the myth that hunter-gatherer societies borrow more words than agriculturalist societies. Evidence for low rates of horizontal transmission means that "linguistic data are superior to genetic data for reconstructing human prehistory".... Read more »

Claire Bowern, Patience Epps, Russell Gray, Jane Hill, Keith Hunley, Patrick McConvell, Jason Zentz. (2011) Does Lateral Transmission Obscure Inheritance in Hunter-Gatherer Languages?. PLoS ONE, 6(9). info:/doi:10.1371/journal.pone.0025195

  • October 5, 2011
  • 12:14 PM
  • 154 views

Cultural differences in lateral transmission: Phylogenetic trees are OK for Linguistics but not biology

by Sean Roberts in A Replicated Typo 2.0


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The three areas under analysis
An article in PLos ONE debunks the myth that hunter-gatherer societies borrow more words than agriculturalist societies. In doing so, it suggests that horizontal transmission is low enough for phylogenetic analyses to be a valid linguistic tool.
Lexicons from around 20% of the extant languages spoken by hunter-gatherer societies were coded for . . . → Read More: Cultural differences in lateral transmission: Phylogenetic trees are OK fo........ Read more »

Claire Bowern, Patience Epps, Russell Gray, Jane Hill, Keith Hunley, Patrick McConvell, Jason Zentz. (2011) Does Lateral Transmission Obscure Inheritance in Hunter-Gatherer Languages?. PLoS ONE, 6(9). info:/doi:10.1371/journal.pone.0025195

  • September 11, 2011
  • 01:06 PM
  • 397 views

Compositionality and Bilingualism

by Sean Roberts in A Replicated Typo 2.0

Languages evolve over time under a pressure to be learned by a new generation. Does learning two languages at once effect this pressure? My experiment says ... maybe.... Read more »

  • September 8, 2011
  • 09:01 AM
  • 481 views

The Language Evolution Tree: Yet more evidence

by Sean Roberts in A Replicated Typo 2.0

More evidence that acacia trees had a role to play in the evolution of langauge.... Read more »

Sean Geraint. (2011) Language Evolution and the Acacia Tree. Speculative Grammarian, Vol CLXII(4). info:/

  • August 29, 2011
  • 12:08 PM
  • 588 views

A spin glass model of cultural consensus

by Sean Roberts in A Replicated Typo 2.0

Does your social network determine your rational rationality? When trying to co-ordinate with a number of other people on a cultural feature, the locally rational thing to do is to go with the majority. However, in certain situations it might make sense to choose the minority feature. This means that learning multiple features might be rational in some situations, even if there is a pressure against redundancy. ... Read more »

STAUFFER, D., CASTELLO, X., EGUILUZ, V., & SANMIGUEL, M. (2007) Microscopic Abrams–Strogatz model of language competition. Physica A: Statistical Mechanics and its Applications, 374(2), 835-842. DOI: 10.1016/j.physa.2006.07.036  

Castelló, X., Loureiro, L., Eguíluz , V. M., & San Miguel, M. (2007) The fate of bilingualism in a model of language competition. Advancing Social Simulation: The First World Congress, 83-94. info:/

  • August 24, 2011
  • 04:56 AM
  • 516 views

Language Evolves in R, not Python: An appology

by Sean Roberts in A Replicated Typo 2.0

One of the risks of blogging is that you can fire off ideas into the public domain while you’re still excited about them and haven’t really tested them all that well. Last month I blogged about a random walk model of linguistic complexity. This week, I found out that it was flawed...... Read more »

  • August 6, 2011
  • 06:42 AM
  • 573 views

Cultural Evolution and the Impending Singularity: The Movie

by Sean Roberts in A Replicated Typo 2.0

A video of a talk I gave at the Santa Fe Institute, asking questions like "Has Biological Evolution come to an end?", "Is belief an emergent property?", "Will advanced computers use humans as batteries?" and "Will robots spend more time playing the violin than solving science?"... Read more »

Sperl, M., Chang, A., Weber, N., & Hübler, A. (1999) Hebbian learning in the agglomeration of conducting particles. Physical Review E, 59(3), 3165-3168. DOI: 10.1103/PhysRevE.59.3165  

Chater N, & Christiansen MH. (2010) Language acquisition meets language evolution. Cognitive science, 34(7), 1131-57. PMID: 21564247  

Ay N, Flack J, & Krakauer DC. (2007) Robustness and complexity co-constructed in multimodal signalling networks. Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 362(1479), 441-7. PMID: 17255020  

Guttal V, & Couzin ID. (2010) Social interactions, information use, and the evolution of collective migration. Proceedings of the National Academy of Sciences of the United States of America, 107(37), 16172-7. PMID: 20713700  

  • August 4, 2011
  • 03:42 AM
  • 642 views

The Bilingual paradox in Language Evolution: Top down versus bottom up approaches

by Sean Roberts in A Replicated Typo 2.0

Children are adept at learning more than one language at a time and there are many bilingual societies in the world. However, pressures on memory and redundancy makes it unclear what the adaptive advantage of a cognitive capacity for learning multiple languages at an early stage of language evolution would be. How can we account for the evolution of this ability? Would an early population of language users most likely be monolingual or bilingual?... Read more »

David Burkett,, & Tom Griffiths. (2010) Iterated Learning of Multiple Languaged from Multiple Teachers. The Evolution of Language: Proceedings of EvoLang 2010. info:/

  • August 1, 2011
  • 11:17 AM
  • 527 views

Sonority and Sex: Why smaller communities are louder

by Sean Roberts in A Replicated Typo 2.0

Ember & Ember show that the degree of sonority in a language is related to the frequency of extramarital sex in its community. Could this be linked to why smaller communities have a smaller phoneme inventory?... Read more »

  • July 21, 2011
  • 10:17 AM
  • 459 views

Linguistic diversity and traffic accidents

by Sean Roberts in A Replicated Typo 2.0

Daniel Nettle's model of linguistic diversity which showed that linguistic variation tends to decline even with a small amount of migration between communities. I wondered if statistics about population movement would correlate with linguistic diversity. I found that number of traffic fatalities are a pretty good predictor. What's going on?... Read more »

  • June 26, 2011
  • 04:50 PM
  • 685 views

A random walk model of linguistic complexity

by Sean Roberts in A Replicated Typo 2.0

Large-scale statistical analyses of linguistic typologies (e.g. Lupyan & Dale, 2010) have poor temporal resolution. A correlation between two variables that exists now may be an accident of more complex dynamics. I discuss a random walk model that tries to estimate the probability that a current correlation is dynamically unstable.... Read more »

  • June 21, 2011
  • 09:25 PM
  • 599 views

Linguistic interactions in the UK

by Sean Roberts in A Replicated Typo 2.0

Ratti et al. (2010) take data from 12 billion telephone calls made over the space of a month and estimate regions of human interaction. The map seems to correlate with regional accent.... Read more »

Ratti, Carlo, Sobolevsky, Stanislav, Calabrese, Francesco, Andris, Clio, Reades, Jonathan, Martino, Mauro, Claxton, Rob, & Strogatz, Steven H. (2010) Redrawing the map of Great Britain from a network of human interaction. PLoS ONE. info:/

  • June 18, 2011
  • 05:55 PM
  • 630 views

Creative cultural transmission as chaotic sampling

by Sean Roberts in A Replicated Typo 2.0

Chaos has been used to create variations on musical and dance sequences (Dabby, 2008; Bradley & Stuart, 1998). Here, I apply this to birdsong. It could also be used to model the evolution of creative cultural features.... Read more »

Bradley E, & Stuart J. (1998) Using chaos to generate variations on movement sequences. Chaos (Woodbury, N.Y.), 8(4), 800-807. PMID: 12779786  

Kiebel SJ, Daunizeau J, & Friston KJ. (2008) A hierarchy of time-scales and the brain. PLoS computational biology, 4(11). PMID: 19008936  

  • June 15, 2011
  • 12:15 AM
  • 676 views

Cultural Evolution and the Impending Singularity

by Sean Roberts in A Replicated Typo 2.0

Prof. Alfred Hulber is an actual mad professor who is a danger to life as we know it. In a talk this evening he went from ball bearings in castor oil to hyper-advanced machine intelligence. However, will hyper-intelligent machines actually give us a better scientific understanding of the universe, or will they just spend their time playing tetris?... Read more »

Sperl, M., Chang, A., Weber, N., & Hübler, A. (1999) Hebbian learning in the agglomeration of conducting particles. Physical Review E, 59(3), 3165-3168. DOI: 10.1103/PhysRevE.59.3165  

Bettencourt LM, Lobo J, Helbing D, Kühnert C, & West GB. (2007) Growth, innovation, scaling, and the pace of life in cities. Proceedings of the National Academy of Sciences of the United States of America, 104(17), 7301-6. PMID: 17438298  

Chater N, & Christiansen MH. (2010) Language acquisition meets language evolution. Cognitive science, 34(7), 1131-57. PMID: 21564247  

  • June 14, 2011
  • 04:50 PM
  • 513 views

Categorising languages through network modularity

by Sean Roberts in The Adventures of Auck

Today I've been learning more about network structure (from Cris Moore) and I've applied my poor understanding and overconfidence to find language families from etymology data! The analysis suggests a split between Germanic and Romance languages.... Read more »

Aaron Clauset, Cristopher Moore, & M. E. J. Newman. (2008) Hierarchical structure and the prediction of missing links in networks. Nature 453, 98 - 101 (2008). arXiv: 0811.0484v1

  • June 14, 2011
  • 04:50 PM
  • 542 views

Categorising languages through network modularity

by Sean Roberts in A Replicated Typo 2.0

Today I've been learning more about network structure (from Cris Moore) and I've applied my poor understanding and overconfidence to find language families from etymology data! The analysis suggests a split between Germanic and Romance languages.... Read more »

Aaron Clauset, Cristopher Moore, & M. E. J. Newman. (2008) Hierarchical structure and the prediction of missing links in networks. Nature 453, 98 - 101 (2008). arXiv: 0811.0484v1

  • June 14, 2011
  • 12:15 AM
  • 504 views

Academic Networking

by Sean Roberts in A Replicated Typo 2.0

Who are the movers and shakers in your field? You can use social network theory on your bibliographies to find out ...... Read more »

SAID, Y., WEGMAN, E., SHARABATI, W., & RIGSBY, J. (2008) Social networks of author–coauthor relationships. Computational Statistics , 52(4), 2177-2184. DOI: 10.1016/j.csda.2007.07.021  

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