Exploring complexity
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Exploring complexity
An exploration through the dynamics of complex systems
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Secrets of the Heart: The Electrocardiogram, Complex Systems Science and Fundamental Laws of Biology

The heart's electric currents have been known for one hundred years, but three-quarters of a century later, the ECG is still giving up its secrets. Buchman explains the basic ECG signal and its relationship with the function of the human heart. He then turns to complex systems science to discover hidden structure within the ECG.

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Rich-Club Organization of the Human Connectome

The human brain is a complex network of interlinked regions. Recent studies have demonstrated the existence of a number of highly connected and highly central neocortical hub regions, regions that play a key role in global information integration between different parts of the network.


Via Complexity Institute
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La scala gerarchica dei circuiti cerebrali - Le Scienze

La scala gerarchica dei circuiti cerebrali - Le Scienze | Exploring complexity | Scoop.it
Più che un insieme di singole aree destinate a gestire specifici compiti, il cervello è un sistema integrato altamente dinamico nel quale però alcune regioni formano un “club”, i cui membri si tengono reciprocamente informati e collaborano su questioni...

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Personality Traits As Emergent Causal States: A Dynamic Model of Behavior Consistency and Change

Collective Dynamics of Complex Systems Research Group Seminar Series March 21, 2012 Seth Spain (School of Management, Binghamton University) "Personality Traits As Emergent Causal States: A Dynamic Model of Behavior Consistency and Change"...

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Keystones in a Tangled Bank

In the past decade, ecologists have increasingly applied complex network theory (1, 2) to ecological interactions, both in entire food webs (3) and in networks representing ecological interactions, especially those between plants and their animal pollinators or seed dispersers (4). How important are individual species to the maintenance of such ecological networks? On page 1489 of this issue, Stouffer et al. (5) analyze terrestrial, freshwater, and marine food webs to infer the contributions of individual species to network stability. In a related field study on page 1486 of this issue, Aizen et al. (6) explore plant and pollinator webs on a landscape scale. Using a different field study design, Pocock et al. (7) recently focused on a local community in which several webs of different kinds of interactions and organisms form a composite network.


Via Complexity Digest
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The Dwindling Web: Scientific American

The Dwindling Web: Scientific American | Exploring complexity | Scoop.it
How human exploitation has reshaped a marine ecosystem...
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People behave socially and 'well' even without rules: study

People behave socially and 'well' even without rules: study | Exploring complexity | Scoop.it
Fundamentally people behave in a social and rather compassionate and 'good' way rather than aggressively, even without specified rules.

Via Complexity Institute
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The Right Time for Love: Tracking the Seasonality of Relationship Formation | Facebook

The Right Time for Love: Tracking the Seasonality of Relationship Formation | Facebook | Exploring complexity | Scoop.it

Using U.S. Facebook data from 2010 and 2011, we looked at how different times of the year affect the beginning and ending of relationships. We started by tabulating the changes from a non-coupled relationship status, like "Single" or "Divorced," to a coupled status, like "In a relationship" or "Engaged." We compared that figure against the number of changes in the other direction, from coupled to non-coupled, to calculate the net percentage change. As an example, 4% more people entered into coupledom in December 2011 than left it, a net gain for romance.

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Cohesion

Cohesion | Exploring complexity | Scoop.it
Ok folks, here is a link to the pdf copy of my book. Feel free to distribute and share this page. Ideally visit the Amazon site and purchase the paper or kindle copy! It is also on iBooks now, I &h...
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Complexity Leadership Theory: Adaptive Leadership

Defined by Uhl-Bien, Marion, and McKelvey (2007), the Complexity Leadership Theory (CLT) provides a primary framework that explains the entanglement among three leadership roles.


Via Dr. Susan Bainbridge, Philippe Vallat
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Kass: A Contagion of Black Swans - TheStreet

Kass: A Contagion of Black Swans - TheStreet | Exploring complexity | Scoop.it
Black Swans are occurring with greater regularity and with greater overall impact.
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Shaping the Adaptive Organization: Landscapes, Learning, and Leadership in Volatile Times

Shaping the Adaptive Organization: Landscapes, Learning, and Leadership in Volatile Times | Exploring complexity | Scoop.it
Fulmer, a harvard business school fellow, offers a roadmap for building an adaptive organization that is able to embrace constant change and thrive in today's highly competitive business world because of its flexibility, communication skills,...
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Le management n'est pas compliqué, il est...complexe

Le management n'est pas compliqué, il est...complexe | Exploring complexity | Scoop.it

Un boeing 747, parce qu'il est réductible à l'analyse, est compliqué.


Via Karine Aubry, Philippe Vallat
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Seminar announcement: Complexity leadership

Seminar announcement: Complexity leadership | Exploring complexity | Scoop.it

In a seminar at the University of the West of England on April 18th 2012, Professor Mary Uhl-Bien provides an overview of the emerging field of complexity leadership, and discusses how and why it is changing the way we think about the study and practice of leadership

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Attività neuronale: una dinamica intrinsecamente caotica - Le Scienze

Attività neuronale: una dinamica intrinsecamente caotica - Le Scienze | Exploring complexity | Scoop.it

La dinamica sottesa dalla trasmissione di segnali nel cervello è estremamente caotica: è questa la conclusione di una ricerca del Max-Planck-Institut per la dinamica e l’auto-organizzazione presso l’Università di Gottinga e del Bernstein Center for Computational Neuroscience a Göttingen di cui viene riferitoin  un articolo sulla rivista Physical Review Letters.


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Biological physics: Swarming microtubules

Biological physics: Swarming microtubules | Exploring complexity | Scoop.it

The spectacle of animals moving en masse is arguably one of the most fascinating phenomena in biology. For example, schools of fish can move in an orderly manner, and then change direction abruptly or, if under pressure from a nearby predator, swirl like a vigorously stirred fluid. The non-living world also has examples of collective motion, in systems that consist of units ranging from macromolecules to metallic rods, or even robots. On page 448 of this issue, Sumino et al. describe another, until now unobserved, example of such behaviour: the coordinated motion of hundreds of thousands of subcellular structures known as microtubules, which spontaneously self-organize into a lattice-like structure of vortices. When considered in the context of about half a dozen known universal classes of collective-motion pattern, this new structure poses challenges in terms of explaining how it can arise and its relevance to applications.


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James Fowler: Power of Networks | PopTech! Popcasts

James Fowler: Power of Networks | PopTech! Popcasts | Exploring complexity | Scoop.it

Can your social network make you fat? Affect your mood? Political scientist James H. Fowler reveals the dynamics of social networks, the invisible webs that connect each of us to the other. With Nicholas A Christakis, Fowler recently coauthored, Connected: The Surprising Power of Our Social Networks and How They Shape Our Lives..


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PLoS ONE: Emergence of Good Conduct, Scaling and Zipf Laws in Human Behavioral Sequences in an Online World

PLoS ONE: Emergence of Good Conduct, Scaling and Zipf Laws in Human Behavioral Sequences in an Online World | Exploring complexity | Scoop.it

We study behavioral action sequences of players in a massive multiplayer online game. In their virtual life players use eight basic actions which allow them to interact with each other. These actions are communication, trade, establishing or breaking friendships and enmities, attack, and punishment. We measure the probabilities for these actions conditional on previous taken and received actions and find a dramatic increase of negative behavior immediately after receiving negative actions. Similarly, positive behavior is intensified by receiving positive actions.


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Manchester-Complexity: CfP: Complexity in the Real World workshop @ ECCS 2012

Complexity science is coming of age, however it has yet to make a significant impact upon social, economic and environmental policy – there is a still a “gap” between the worlds of complexity science and policy. This workshop is aimed at this gap – to promote work which applis complexity science to policy questions and to discuss how to do this better. Both national and EU funding councils are increasingly demanding such policy relevance in grant proposals and funded research so we anticipate there being a high level of interest in this workshop.

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Facebook Data Team | Facebook

Facebook Data Team | Facebook | Exploring complexity | Scoop.it

In February 2004, Facebook launched as an online social network for connecting a small college community in Cambridge, Massachusetts. Eight years later, Facebook has become a truly global service, providing 845 million active users – from Andorra to Zambia, from Guinea to Guyana – an easy way to stay connected with the world around them.

As Facebook has grown, the global network of friendships has begun to reveal fascinating and previously unobservable details about the rich social weave that envelops our planet. This allowed Paul Butler to produce a beautiful map of Facebook's social graph in 2010.

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Taleb: Black Swans can dominate business

Taleb: Black Swans can dominate business | Exploring complexity | Scoop.it

A Black Swan moment is an event—positive or negative—that is deemed improbable yet causes massive consequences. Black Swan logic makes what you don’t know far more relevant than what you do know.


Via Philippe Vallat
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Organizing with Networks, Teams, Self Organizing and Empowerment

Organizing with Networks, Teams, Self Organizing and Empowerment...
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The role of cognitive biases in project failure. The same thing will happen with the European and Italian rehabilitation projects in particular?

The role of cognitive biases in project failure. The same thing will happen with the European and Italian rehabilitation projects in particular? | Exploring complexity | Scoop.it

There are two distinct views of project management practice: the rational view which focuses on management tools and techniques such as those espoused by frameworks and methodologies, and the social/behavioural view which looks at the social aspect of projects – i.e. how people behave and interact in the context of a project and the wider organisation. The difference between the two is significant: one looks at how projects should be managed, it prescribes tools, techniques and practices; the other at what actually happens on projects, how people interact and how managers make decisions. The gap between the two can sometimes spell the difference between project success and failure. In many failed projects, the failure can be traced back to poor decisions, and the decisions themselves to cognitive biases: i.e. errors in judgement based on perceptions. A paper entitled, Systematic Biases and Culture in Project Failure, by Barry Shore looks at the role played by selected cognitive biases in the failure of some high profile projects. The paper also draws some general conclusions on the relationship between organisational culture and cognitive bias. This post presents a summary and review of the paper. 


Via Alessandro Cerboni, Philippe Vallat
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22. Emergence and Complexity

(May 21, 2010) Professor Robert Sapolsky gives a lecture on emergence and complexity. He details how a small difference at one place in nature can have a hug...
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