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Rationally Speaking: Is cultural evolution a Darwinian process?

Rationally Speaking: Is cultural evolution a Darwinian process? | Digital Perspective | Scoop.it
The problems begin when Buskes makes the move of declaring (plausibly, but with scant hard evidence) culture to be a “complex adaptation,” immediately making the evolutionary psychology-like leap that it therefore could have happened only by way of...

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Future to be Determined, Maturana and von Foerster

The second of a series of three 30 minute videos produced by the American Society for Cybernetics and Change Management Systems, directed by Pille Bunnell, 1...

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Truth and Trust: Maturana and Von Foerster

The first of a series of three 30 minute videos produced by the American Society for Cybernetics and Change Management Systems, directed by Pille Bunnell, 19...

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WTFtalks : "Networks Symmetry and Net Neutrality" (v.1_Engl)

Toward a triangular trade of our personal data? Original speech :http://perspective-numerique.net/wakka.php?wiki=SymetrieEtNeutralite2Engl Version française ...
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Collective Motion of Moshers at Heavy Metal Concerts

Human collective behavior can vary from calm to panicked depending on social context. Using videos publicly available online, we study the highly energized collective motion of attendees at heavy metal concerts. We find these extreme social gatherings generate similarly extreme behaviors: a disordered gas-like state called a mosh pit and an ordered vortex-like state called a circle pit. Both phenomena are reproduced in flocking simulations demonstrating that human collective behavior is consistent with the predictions of simplified models.

 

Collective Motion of Moshers at Heavy Metal Concerts

Jesse L. Silverberg, Matthew Bierbaum, James P. Sethna, Itai Cohen

http://arxiv.org/abs/1302.1886


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Hierarchy in complex systems: the possible and the actual

Hierarchy seems to pervade complexity in both living and artificial systems. Despite its relevance, no general theory that captures all features of hierarchy and its origins has been proposed yet. Here we present a formal approach resulting from the convergence of theoretical morphology and network theory that allows constructing a 3D morphospace of hierarchies and hence comparing the hierarchical organization of ecological, cellular, technological and social networks. Embedded within large voids in the morphospace of all possible hierarchies, four major groups are identified. Two of them match the expected from random networks with similar connectivity, thus suggesting that non-adaptive factors are at work. Ecological and gene networks define the other two, indicating that their topological order is the result of functional constraints. These results are consistent with an exploration of the morphospace using {\em in silico} evolved networks.

 

Hierarchy in complex systems: the possible and the actual

Bernat Corominas-Murtra, Joaquín Goñi, Ricard V. Solé, Carlos Rodríguez-Caso

http://arxiv.org/abs/1303.2503


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Controlled double-slit electron diffraction - IOPscience

Double-slit diffraction is a corner stone of quantum mechanics. It illustrates key features of quantum mechanics: interference and the particle-wave duality of matter. In 1965, Richard Feynman presented a thought experiment to show these features.
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Joël de Rosnay. Internet Epigenetics: how to modify DNA from inside

ECCO/GBI seminar winter 2012-2013 Internet Epigenetics: how to modify DNA from inside December 7, 2012, Bruxelles. By Joël de Rosnay, Special Advisor to the ...

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The Matrix that Embeds, Maturana and Von Foerster

The third of a series of three 30 minute videos produced by the American Society for Cybernetics and Change Management Systems, directed by Pille Bunnell, 1998.

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mtmeme's curator insight, March 4, 2013 2:58 PM

Distinctions and Synthesis, Language and Brain, coevolution of life and world, all in a delicate and ongoing interplay of biology and mind. 

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Heinz von Foerster - Autopoiesis

High Tech Heroes with Sherwin Gooch, episode number 10, part 1, directed by Hud Nordin: Cybenetician Heinz von Foerster discusses the founding of Cybernetics...

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Interplay between Network Topology and Dynamics in Neural Systems

This thesis is a compendium of research which brings together ideas from the fields of Complex Networks and Computational Neuroscience to address two questions regarding neural systems: 
1) How the activity of neurons, via synaptic changes, can shape the topology of the network they form part of, and 
2) How the resulting network structure, in its turn, might condition aspects of brain behaviour. 
Although the emphasis is on neural networks, several theoretical findings which are relevant for complex networks in general are presented -- such as a method for studying network evolution as a stochastic process, or a theory that allows for ensembles of correlated networks, and sets of dynamical elements thereon, to be treated mathematically and computationally in a model-independent manner. Some of the results are used to explain experimental data -- certain properties of brain tissue, the spontaneous emergence of correlations in all kinds of networks... -- and predictions regarding statistical aspects of the central nervous system are made. The mechanism of Cluster Reverberation is proposed to account for the near-instant storage of novel information the brain is capable of.

 

Interplay between Network Topology and Dynamics in Neural Systems

Samuel Johnson

http://arxiv.org/abs/1302.3943

 


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